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714 lines
33 KiB
C#
714 lines
33 KiB
C#
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// Modified ProgressDialog from Ookii.Dialogs
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//
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// Copyright © Sven Groot (Ookii.org) 2009
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1) Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2) Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3) Neither the name of the ORGANIZATION nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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// THE POSSIBILITY OF SUCH DAMAGE.
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//
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using System;
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using System.ComponentModel;
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using System.Runtime.InteropServices;
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using System.Windows;
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using System.Windows.Interop;
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namespace GARbro.GUI
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{
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public class ProgressDialog : Component
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{
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private class ProgressChangedData
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{
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public string Text { get; set; }
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public string Description { get; set; }
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public object UserState { get; set; }
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}
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private string _windowTitle;
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private string _text;
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private string _description;
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private Interop.IProgressDialog _dialog;
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private string _cancellationText;
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private bool _useCompactPathsForText;
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private bool _useCompactPathsForDescription;
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private bool _cancellationPending;
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private BackgroundWorker _backgroundWorker;
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/// <summary>
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/// Event raised when the dialog is displayed.
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/// </summary>
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/// <remarks>
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/// Use this event to perform the operation that the dialog is showing the progress for.
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/// This event will be raised on a different thread than the UI thread.
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/// </remarks>
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public event DoWorkEventHandler DoWork;
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/// <summary>
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/// Event raised when the operation completes.
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/// </summary>
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public event RunWorkerCompletedEventHandler RunWorkerCompleted;
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/// <summary>
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/// Event raised when <see cref="ReportProgress(int,string,string,object)"/> is called.
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/// </summary>
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public event ProgressChangedEventHandler ProgressChanged;
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/// <summary>
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/// Initializes a new instance of the <see cref="ProgressDialog"/> class.
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/// </summary>
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public ProgressDialog ()
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{
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InitializeComponent();
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ProgressBarStyle = ProgressBarStyle.ProgressBar;
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ShowCancelButton = true;
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MinimizeBox = true;
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}
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/// <summary>
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/// Gets or sets the text in the progress dialog's title bar.
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/// </summary>
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/// <value>
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/// The text in the progress dialog's title bar. The default value is an empty string.
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/// </value>
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/// <remarks>
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/// <para>
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/// This property must be set before <see cref="ShowDialog()"/> or <see cref="Show()"/> is called. Changing property has
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/// no effect while the dialog is being displayed.
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/// </para>
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/// </remarks>
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[Localizable(true), Category("Appearance"), Description("The text in the progress dialog's title bar."), DefaultValue("")]
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public string WindowTitle
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{
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get { return _windowTitle ?? string.Empty; }
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set { _windowTitle = value; }
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}
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/// <summary>
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/// Gets or sets a short description of the operation being carried out.
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/// </summary>
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/// <value>
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/// A short description of the operation being carried. The default value is an empty string.
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/// </value>
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/// <remarks>
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/// <para>
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/// This is the primary message to the user.
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/// </para>
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/// <para>
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/// This property can be changed while the dialog is running, but may only be changed from the thread which
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/// created the progress dialog. The recommended method to change this value while the dialog is running
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/// is to use the <see cref="ReportProgress(int,string,string)"/> method.
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/// </para>
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/// </remarks>
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[Localizable(true), Category("Appearance"), Description("A short description of the operation being carried out.")]
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public string Text
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{
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get { return _text ?? string.Empty; }
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set
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{
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_text = value;
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if (_dialog != null)
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_dialog.SetLine (1, Text, UseCompactPathsForText, IntPtr.Zero);
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}
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}
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/// <summary>
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/// Gets or sets a value that indicates whether path strings in the <see cref="Text"/> property should be compacted if
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/// they are too large to fit on one line.
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/// </summary>
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/// <value>
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/// <see langword="true"/> to compact path strings if they are too large to fit on one line; otherwise,
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/// <see langword="false"/>. The default value is <see langword="false"/>.
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/// </value>
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/// <remarks>
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/// <note>
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/// This property requires Windows Vista or later. On older versions of Windows, it has no effect.
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/// </note>
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/// <para>
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/// This property can be changed while the dialog is running, but may only be changed from the thread which
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/// created the progress dialog.
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/// </para>
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/// </remarks>
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[Category("Behavior"), Description("Indicates whether path strings in the Text property should be compacted if they are too large to fit on one line."), DefaultValue(false)]
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public bool UseCompactPathsForText
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{
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get { return _useCompactPathsForText; }
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set
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{
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_useCompactPathsForText = value;
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if (_dialog != null)
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_dialog.SetLine (1, Text, _useCompactPathsForText, IntPtr.Zero);
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}
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}
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/// <summary>
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/// Gets or sets additional details about the operation being carried out.
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/// </summary>
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/// <value>
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/// Additional details about the operation being carried out. The default value is an empty string.
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/// </value>
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/// <remarks>
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/// This text is used to provide additional details beyond the <see cref="Text"/> property.
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/// </remarks>
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/// <remarks>
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/// <para>
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/// This property can be changed while the dialog is running, but may only be changed from the thread which
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/// created the progress dialog. The recommended method to change this value while the dialog is running
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/// is to use the <see cref="ReportProgress(int,string,string)"/> method.
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/// </para>
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/// </remarks>
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[Localizable(true), Category("Appearance"), Description("Additional details about the operation being carried out."), DefaultValue("")]
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public string Description
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{
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get { return _description ?? string.Empty; }
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set
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{
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_description = value;
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if (_dialog != null)
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_dialog.SetLine (2, Description, UseCompactPathsForDescription, IntPtr.Zero);
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}
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}
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/// <summary>
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/// Gets or sets a value that indicates whether path strings in the <see cref="Description"/> property should be compacted if
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/// they are too large to fit on one line.
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/// </summary>
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/// <value>
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/// <see langword="true"/> to compact path strings if they are too large to fit on one line; otherwise,
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/// <see langword="false"/>. The default value is <see langword="false"/>.
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/// </value>
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/// <remarks>
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/// <note>
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/// This property requires Windows Vista or later. On older versions of Windows, it has no effect.
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/// </note>
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/// <para>
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/// This property can be changed while the dialog is running, but may only be changed from the thread which
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/// created the progress dialog.
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/// </para>
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/// </remarks>
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[Category("Behavior"), Description("Indicates whether path strings in the Description property should be compacted if they are too large to fit on one line."), DefaultValue(false)]
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public bool UseCompactPathsForDescription
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{
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get { return _useCompactPathsForDescription; }
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set
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{
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_useCompactPathsForDescription = value;
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if( _dialog != null )
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_dialog.SetLine(2, Description, UseCompactPathsForDescription, IntPtr.Zero);
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}
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}
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/// <summary>
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/// Gets or sets the text that will be shown after the Cancel button is pressed.
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/// </summary>
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/// <value>
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/// The text that will be shown after the Cancel button is pressed.
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/// </value>
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/// <remarks>
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/// <para>
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/// This property must be set before <see cref="ShowDialog()"/> or <see cref="Show()"/> is called. Changing property has
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/// no effect while the dialog is being displayed.
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/// </para>
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/// </remarks>
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[Localizable(true), Category("Appearance"), Description("The text that will be shown after the Cancel button is pressed."), DefaultValue("")]
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public string CancellationText
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{
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get { return _cancellationText ?? string.Empty; }
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set { _cancellationText = value; }
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}
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/// <summary>
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/// Gets or sets a value that indicates whether an estimate of the remaining time will be shown.
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/// </summary>
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/// <value>
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/// <see langword="true"/> if an estimate of remaining time will be shown; otherwise, <see langword="false"/>. The
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/// default value is <see langword="false"/>.
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/// </value>
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/// <remarks>
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/// <para>
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/// This property must be set before <see cref="ShowDialog()"/> or <see cref="Show()"/> is called. Changing property has
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/// no effect while the dialog is being displayed.
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/// </para>
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/// </remarks>
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[Category("Appearance"), Description("Indicates whether an estimate of the remaining time will be shown."), DefaultValue(false)]
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public bool ShowTimeRemaining { get; set; }
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/// <summary>
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/// Gets or sets a value that indicates whether the dialog has a cancel button.
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/// </summary>
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/// <value>
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/// <see langword="true"/> if the dialog has a cancel button; otherwise, <see langword="false"/>. The default
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/// value is <see langword="true"/>.
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/// </value>
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/// <remarks>
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/// <note>
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/// This property requires Windows Vista or later; on older versions of Windows, the cancel button will always
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/// be displayed.
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/// </note>
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/// <para>
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/// The event handler for the <see cref="DoWork"/> event must periodically check the value of the
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/// <see cref="CancellationPending"/> property to see if the operation has been cancelled if this
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/// property is <see langword="true"/>.
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/// </para>
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/// <para>
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/// Setting this property to <see langword="false"/> is not recommended unless absolutely necessary.
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/// </para>
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/// </remarks>
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[Category("Appearance"), Description("Indicates whether the dialog has a cancel button. Do not set to false unless absolutely necessary."), DefaultValue(true)]
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public bool ShowCancelButton { get; set; }
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/// <summary>
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/// Gets or sets a value that indicates whether the progress dialog has a minimize button.
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/// </summary>
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/// <value>
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/// <see langword="true"/> if the dialog has a minimize button; otherwise, <see langword="false"/>. The default
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/// value is <see langword="true"/>.
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/// </value>
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/// <remarks>
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/// <note>
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/// This property has no effect on modal dialogs (which do not have a minimize button). It only applies
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/// to modeless dialogs shown by using the <see cref="Show()"/> method.
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/// </note>
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/// <para>
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/// This property must be set before <see cref="Show()"/> is called. Changing property has
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/// no effect while the dialog is being displayed.
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/// </para>
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/// </remarks>
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[Category("Window Style"), Description("Indicates whether the progress dialog has a minimize button."), DefaultValue(true)]
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public bool MinimizeBox { get; set; }
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/// <summary>
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/// Gets a value indicating whether the user has requested cancellation of the operation.
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/// </summary>
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/// <value>
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/// <see langword="true" /> if the user has cancelled the progress dialog; otherwise, <see langword="false" />. The default is <see langword="false" />.
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/// </value>
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/// <remarks>
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/// The event handler for the <see cref="DoWork"/> event must periodically check this property and abort the operation
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/// if it returns <see langword="true"/>.
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/// </remarks>
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[Browsable(false)]
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public bool CancellationPending
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{
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get
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{
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_backgroundWorker.ReportProgress (-1); // Call with an out-of-range percentage will update the value of
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// _cancellationPending but do nothing else.
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return _cancellationPending;
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}
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}
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/// <summary>
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/// Gets or sets a value that indicates whether a regular or marquee style progress bar should be used.
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/// </summary>
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/// <value>
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/// One of the values of <see cref="Ookii.Dialogs.Wpf.ProgressBarStyle"/>.
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/// The default value is <see cref="Ookii.Dialogs.Wpf.ProgressBarStyle.ProgressBar"/>.
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/// </value>
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/// <remarks>
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/// <note>
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/// Operating systems older than Windows Vista do not support marquee progress bars on the progress dialog. On those operating systems, the
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/// progress bar will be hidden completely if this property is <see cref="Ookii.Dialogs.Wpf.ProgressBarStyle.MarqueeProgressBar"/>.
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/// </note>
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/// <para>
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/// When this property is set to <see cref="Ookii.Dialogs.Wpf.ProgressBarStyle.ProgressBar" />, use the <see cref="ReportProgress(int)"/> method to set
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/// the value of the progress bar. When this property is set to <see cref="Ookii.Dialogs.Wpf.ProgressBarStyle.MarqueeProgressBar"/>
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/// you can still use the <see cref="ReportProgress(int,string,string)"/> method to update the text of the dialog,
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/// but the percentage will be ignored.
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/// </para>
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/// <para>
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/// This property must be set before <see cref="ShowDialog()"/> or <see cref="Show()"/> is called. Changing property has
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/// no effect while the dialog is being displayed.
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/// </para>
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/// </remarks>
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[Category("Appearance"), Description("Indicates the style of the progress bar."), DefaultValue(ProgressBarStyle.ProgressBar)]
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public ProgressBarStyle ProgressBarStyle { get; set; }
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/// <summary>
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/// Gets a value that indicates whether the <see cref="ProgressDialog"/> is running an asynchronous operation.
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/// </summary>
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/// <value>
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|
|
/// <see langword="true"/> if the <see cref="ProgressDialog"/> is running an asynchronous operation;
|
||
|
|
/// otherwise, <see langword="false"/>.
|
||
|
|
/// </value>
|
||
|
|
[Browsable(false)]
|
||
|
|
public bool IsBusy
|
||
|
|
{
|
||
|
|
get { return _backgroundWorker.IsBusy; }
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Displays the progress dialog as a modeless dialog.
|
||
|
|
/// </summary>
|
||
|
|
/// <remarks>
|
||
|
|
/// <para>
|
||
|
|
/// This function will not block the parent window and will return immediately.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// Although this function returns immediately, you cannot use the UI thread to do any processing. The dialog
|
||
|
|
/// will not function correctly unless the UI thread continues to handle window messages, so that thread may
|
||
|
|
/// not be blocked by some other activity. All processing related to the progress dialog must be done in
|
||
|
|
/// the <see cref="DoWork"/> event handler.
|
||
|
|
/// </para>
|
||
|
|
/// </remarks>
|
||
|
|
public void Show ()
|
||
|
|
{
|
||
|
|
Show (null);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Displays the progress dialog as a modeless dialog.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="argument">A parameter for use by the background operation to be executed in the <see cref="DoWork"/> event handler.</param>
|
||
|
|
/// <remarks>
|
||
|
|
/// <para>
|
||
|
|
/// This function will not block the parent window and return immediately.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// Although this function returns immediately, you cannot use the UI thread to do any processing. The dialog
|
||
|
|
/// will not function correctly unless the UI thread continues to handle window messages, so that thread may
|
||
|
|
/// not be blocked by some other activity. All processing related to the progress dialog must be done in
|
||
|
|
/// the <see cref="DoWork"/> event handler.
|
||
|
|
/// </para>
|
||
|
|
/// </remarks>
|
||
|
|
public void Show (object argument)
|
||
|
|
{
|
||
|
|
RunProgressDialog (IntPtr.Zero, argument);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Displays the progress dialog as a modal dialog.
|
||
|
|
/// </summary>
|
||
|
|
/// <remarks>
|
||
|
|
/// <para>
|
||
|
|
/// The ShowDialog function for most .Net dialogs will not return until the dialog is closed. However,
|
||
|
|
/// the <see cref="ShowDialog()"/> function for the <see cref="ProgressDialog"/> class will return immediately.
|
||
|
|
/// The parent window will be disabled as with all modal dialogs.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// Although this function returns immediately, you cannot use the UI thread to do any processing. The dialog
|
||
|
|
/// will not function correctly unless the UI thread continues to handle window messages, so that thread may
|
||
|
|
/// not be blocked by some other activity. All processing related to the progress dialog must be done in
|
||
|
|
/// the <see cref="DoWork"/> event handler.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// The progress dialog's window will appear in the taskbar. This behaviour is also contrary to most .Net dialogs,
|
||
|
|
/// but is part of the underlying native progress dialog API so cannot be avoided.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// When possible, it is recommended that you use a modeless dialog using the <see cref="Show()"/> function.
|
||
|
|
/// </para>
|
||
|
|
/// </remarks>
|
||
|
|
public void ShowDialog()
|
||
|
|
{
|
||
|
|
ShowDialog (null, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Displays the progress dialog as a modal dialog.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="owner">The window that owns the dialog.</param>
|
||
|
|
/// <remarks>
|
||
|
|
/// <para>
|
||
|
|
/// The ShowDialog function for most .Net dialogs will not return until the dialog is closed. However,
|
||
|
|
/// the <see cref="ShowDialog()"/> function for the <see cref="ProgressDialog"/> class will return immediately.
|
||
|
|
/// The parent window will be disabled as with all modal dialogs.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// Although this function returns immediately, you cannot use the UI thread to do any processing. The dialog
|
||
|
|
/// will not function correctly unless the UI thread continues to handle window messages, so that thread may
|
||
|
|
/// not be blocked by some other activity. All processing related to the progress dialog must be done in
|
||
|
|
/// the <see cref="DoWork"/> event handler.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// The progress dialog's window will appear in the taskbar. This behaviour is also contrary to most .Net dialogs,
|
||
|
|
/// but is part of the underlying native progress dialog API so cannot be avoided.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// When possible, it is recommended that you use a modeless dialog using the <see cref="Show()"/> function.
|
||
|
|
/// </para>
|
||
|
|
/// </remarks>
|
||
|
|
public void ShowDialog (Window owner)
|
||
|
|
{
|
||
|
|
ShowDialog (owner, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Displays the progress dialog as a modal dialog.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="owner">The window that owns the dialog.</param>
|
||
|
|
/// <param name="argument">A parameter for use by the background operation to be executed in the <see cref="DoWork"/> event handler.</param>
|
||
|
|
/// <remarks>
|
||
|
|
/// <para>
|
||
|
|
/// The ShowDialog function for most .Net dialogs will not return until the dialog is closed. However,
|
||
|
|
/// the <see cref="ShowDialog()"/> function for the <see cref="ProgressDialog"/> class will return immediately.
|
||
|
|
/// The parent window will be disabled as with all modal dialogs.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// Although this function returns immediately, you cannot use the UI thread to do any processing. The dialog
|
||
|
|
/// will not function correctly unless the UI thread continues to handle window messages, so that thread may
|
||
|
|
/// not be blocked by some other activity. All processing related to the progress dialog must be done in
|
||
|
|
/// the <see cref="DoWork"/> event handler.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// The progress dialog's window will appear in the taskbar. This behaviour is also contrary to most .Net dialogs,
|
||
|
|
/// but is part of the underlying native progress dialog API so cannot be avoided.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// When possible, it is recommended that you use a modeless dialog using the <see cref="Show()"/> function.
|
||
|
|
/// </para>
|
||
|
|
/// </remarks>
|
||
|
|
public void ShowDialog (Window owner, object argument)
|
||
|
|
{
|
||
|
|
RunProgressDialog (owner == null ? NativeMethods.GetActiveWindow() : new WindowInteropHelper(owner).Handle, argument);
|
||
|
|
}
|
||
|
|
|
||
|
|
const int SW_HIDE = 0;
|
||
|
|
const int SW_SHOW = 5;
|
||
|
|
|
||
|
|
public void Hide ()
|
||
|
|
{
|
||
|
|
if (null == _dialog)
|
||
|
|
return;
|
||
|
|
var hwnd = GetWindowHandle();
|
||
|
|
if (hwnd != IntPtr.Zero)
|
||
|
|
NativeMethods.ShowWindow (hwnd, SW_HIDE);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Restore ()
|
||
|
|
{
|
||
|
|
if (null == _dialog)
|
||
|
|
return;
|
||
|
|
var hwnd = GetWindowHandle();
|
||
|
|
if (hwnd != IntPtr.Zero)
|
||
|
|
NativeMethods.ShowWindow (hwnd, SW_SHOW);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Get win32 handle of the progress dialog window.
|
||
|
|
/// </summary>
|
||
|
|
public IntPtr GetWindowHandle ()
|
||
|
|
{
|
||
|
|
var ole = _dialog as Interop.IOleWindow;
|
||
|
|
if (null == ole)
|
||
|
|
return IntPtr.Zero;
|
||
|
|
IntPtr hwnd;
|
||
|
|
ole.GetWindow (out hwnd);
|
||
|
|
return hwnd;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Updates the dialog's progress bar.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="percentProgress">The percentage, from 0 to 100, of the operation that is complete.</param>
|
||
|
|
/// <remarks>
|
||
|
|
/// <para>
|
||
|
|
/// Call this method from the <see cref="DoWork"/> event handler if you want to report progress.
|
||
|
|
/// </para>
|
||
|
|
/// <para>
|
||
|
|
/// This method has no effect is <see cref="ProgressBarStyle"/> is <see cref="Ookii.Dialogs.Wpf.ProgressBarStyle.MarqueeProgressBar"/>
|
||
|
|
/// or <see cref="Ookii.Dialogs.Wpf.ProgressBarStyle.None"/>.
|
||
|
|
/// </para>
|
||
|
|
/// </remarks>
|
||
|
|
/// <exception cref="ArgumentOutOfRangeException"><paramref name="percentProgress"/> is out of range.</exception>
|
||
|
|
/// <exception cref="InvalidOperationException">The progress dialog is not currently being displayed.</exception>
|
||
|
|
public void ReportProgress (int percentProgress)
|
||
|
|
{
|
||
|
|
ReportProgress (percentProgress, null, null, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Updates the dialog's progress bar.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="percentProgress">The percentage, from 0 to 100, of the operation that is complete.</param>
|
||
|
|
/// <param name="text">The new value of the progress dialog's primary text message, or <see langword="null"/> to leave the value unchanged.</param>
|
||
|
|
/// <param name="description">The new value of the progress dialog's additional description message, or <see langword="null"/> to leave the value unchanged.</param>
|
||
|
|
/// <remarks>Call this method from the <see cref="DoWork"/> event handler if you want to report progress.</remarks>
|
||
|
|
/// <exception cref="ArgumentOutOfRangeException"><paramref name="percentProgress"/> is out of range.</exception>
|
||
|
|
/// <exception cref="InvalidOperationException">The progress dialog is not currently being displayed.</exception>
|
||
|
|
public void ReportProgress (int percentProgress, string text, string description)
|
||
|
|
{
|
||
|
|
ReportProgress (percentProgress, text, description, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Updates the dialog's progress bar.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="percentProgress">The percentage, from 0 to 100, of the operation that is complete.</param>
|
||
|
|
/// <param name="text">The new value of the progress dialog's primary text message, or <see langword="null"/> to leave the value unchanged.</param>
|
||
|
|
/// <param name="description">The new value of the progress dialog's additional description message, or <see langword="null"/> to leave the value unchanged.</param>
|
||
|
|
/// <param name="userState">A state object that will be passed to the <see cref="ProgressChanged"/> event handler.</param>
|
||
|
|
/// <remarks>Call this method from the <see cref="DoWork"/> event handler if you want to report progress.</remarks>
|
||
|
|
/// <exception cref="ArgumentOutOfRangeException"><paramref name="percentProgress"/> is out of range.</exception>
|
||
|
|
/// <exception cref="InvalidOperationException">The progress dialog is not currently being displayed.</exception>
|
||
|
|
public void ReportProgress (int percentProgress, string text, string description, object userState)
|
||
|
|
{
|
||
|
|
if (percentProgress < 0 || percentProgress > 100)
|
||
|
|
throw new ArgumentOutOfRangeException ("percentProgress");
|
||
|
|
if (_dialog == null)
|
||
|
|
throw new InvalidOperationException ("The progress dialog is not shown.");
|
||
|
|
_backgroundWorker.ReportProgress (percentProgress, new ProgressChangedData { Text = text, Description = description, UserState = userState });
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Raises the <see cref="DoWork"/> event.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="e">The <see cref="DoWorkEventArgs"/> containing data for the event.</param>
|
||
|
|
protected virtual void OnDoWork (DoWorkEventArgs e)
|
||
|
|
{
|
||
|
|
var handler = DoWork;
|
||
|
|
if (handler != null)
|
||
|
|
handler (this, e);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Raises the <see cref="RunWorkerCompleted"/> event.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="e">The <see cref="EventArgs"/> containing data for the event.</param>
|
||
|
|
protected virtual void OnRunWorkerCompleted (RunWorkerCompletedEventArgs e)
|
||
|
|
{
|
||
|
|
var handler = RunWorkerCompleted;
|
||
|
|
if (handler != null)
|
||
|
|
handler (this, e);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Raises the <see cref="ProgressChanged"/> event.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="e">The <see cref="ProgressChangedEventArgs"/> containing data for the event.</param>
|
||
|
|
protected virtual void OnProgressChanged (ProgressChangedEventArgs e)
|
||
|
|
{
|
||
|
|
var handler = ProgressChanged;
|
||
|
|
if (handler != null)
|
||
|
|
handler (this, e);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void RunProgressDialog (IntPtr owner, object argument)
|
||
|
|
{
|
||
|
|
if (_backgroundWorker.IsBusy)
|
||
|
|
throw new InvalidOperationException ("The progress dialog is already running.");
|
||
|
|
|
||
|
|
_cancellationPending = false;
|
||
|
|
_dialog = new Interop.ProgressDialog();
|
||
|
|
_dialog.SetTitle (WindowTitle);
|
||
|
|
|
||
|
|
if (CancellationText.Length > 0)
|
||
|
|
_dialog.SetCancelMsg (CancellationText, null);
|
||
|
|
_dialog.SetLine (1, Text, UseCompactPathsForText, IntPtr.Zero);
|
||
|
|
_dialog.SetLine (2, Description, UseCompactPathsForDescription, IntPtr.Zero);
|
||
|
|
|
||
|
|
var flags = Interop.ProgressDialogFlags.Normal;
|
||
|
|
if (owner != IntPtr.Zero)
|
||
|
|
flags |= Interop.ProgressDialogFlags.Modal;
|
||
|
|
switch (ProgressBarStyle)
|
||
|
|
{
|
||
|
|
case ProgressBarStyle.None:
|
||
|
|
flags |= Interop.ProgressDialogFlags.NoProgressBar;
|
||
|
|
break;
|
||
|
|
case ProgressBarStyle.MarqueeProgressBar:
|
||
|
|
if (NativeMethods.IsWindowsVistaOrLater)
|
||
|
|
flags |= Interop.ProgressDialogFlags.MarqueeProgress;
|
||
|
|
else
|
||
|
|
flags |= Interop.ProgressDialogFlags.NoProgressBar; // Older than Vista doesn't support marquee.
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if( ShowTimeRemaining )
|
||
|
|
flags |= Interop.ProgressDialogFlags.AutoTime;
|
||
|
|
if( !ShowCancelButton )
|
||
|
|
flags |= Interop.ProgressDialogFlags.NoCancel;
|
||
|
|
if( !MinimizeBox )
|
||
|
|
flags |= Interop.ProgressDialogFlags.NoMinimize;
|
||
|
|
|
||
|
|
_dialog.StartProgressDialog (owner, null, flags, IntPtr.Zero);
|
||
|
|
_backgroundWorker.RunWorkerAsync (argument);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void InitializeComponent ()
|
||
|
|
{
|
||
|
|
_backgroundWorker = new BackgroundWorker();
|
||
|
|
_backgroundWorker.WorkerReportsProgress = true;
|
||
|
|
_backgroundWorker.WorkerSupportsCancellation = true;
|
||
|
|
_backgroundWorker.DoWork += new DoWorkEventHandler (_backgroundWorker_DoWork);
|
||
|
|
_backgroundWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler (_backgroundWorker_RunWorkerCompleted);
|
||
|
|
_backgroundWorker.ProgressChanged += new ProgressChangedEventHandler (_backgroundWorker_ProgressChanged);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
private void _backgroundWorker_DoWork (object sender, DoWorkEventArgs e)
|
||
|
|
{
|
||
|
|
OnDoWork (e);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void _backgroundWorker_RunWorkerCompleted (object sender, RunWorkerCompletedEventArgs e)
|
||
|
|
{
|
||
|
|
_dialog.StopProgressDialog();
|
||
|
|
Marshal.ReleaseComObject (_dialog);
|
||
|
|
_dialog = null;
|
||
|
|
|
||
|
|
OnRunWorkerCompleted (new RunWorkerCompletedEventArgs((!e.Cancelled && e.Error == null) ? e.Result : null, e.Error, e.Cancelled));
|
||
|
|
}
|
||
|
|
|
||
|
|
private void _backgroundWorker_ProgressChanged (object sender, ProgressChangedEventArgs e)
|
||
|
|
{
|
||
|
|
_cancellationPending = _dialog.HasUserCancelled();
|
||
|
|
// ReportProgress doesn't allow values outside this range. However, CancellationPending will call
|
||
|
|
// BackgroundWorker.ReportProgress directly with a value that is outside this range to update the value of the property.
|
||
|
|
if (e.ProgressPercentage >= 0 && e.ProgressPercentage <= 100)
|
||
|
|
{
|
||
|
|
_dialog.SetProgress ((uint)e.ProgressPercentage, 100);
|
||
|
|
var data = e.UserState as ProgressChangedData;
|
||
|
|
if (data != null)
|
||
|
|
{
|
||
|
|
if (data.Text != null)
|
||
|
|
Text = data.Text;
|
||
|
|
if (data.Description != null)
|
||
|
|
Description = data.Description;
|
||
|
|
OnProgressChanged (new ProgressChangedEventArgs (e.ProgressPercentage, data.UserState));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Indicates the type of progress on a task dialog.
|
||
|
|
/// </summary>
|
||
|
|
public enum ProgressBarStyle
|
||
|
|
{
|
||
|
|
/// <summary>
|
||
|
|
/// No progress bar is displayed on the dialog.
|
||
|
|
/// </summary>
|
||
|
|
None,
|
||
|
|
/// <summary>
|
||
|
|
/// A regular progress bar is displayed on the dialog.
|
||
|
|
/// </summary>
|
||
|
|
ProgressBar,
|
||
|
|
/// <summary>
|
||
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/// A marquee progress bar is displayed on the dialog. Use this value for operations
|
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/// that cannot report concrete progress information.
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|
/// </summary>
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|
|
MarqueeProgressBar
|
||
|
|
}
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||
|
|
}
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