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https://github.com/crskycode/GARbro.git
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89 lines
3.5 KiB
C#
89 lines
3.5 KiB
C#
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//! \file ModalWindow.cs
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//! \date Tue Aug 02 10:20:50 2011
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//! \brief Window without an icon.
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//
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// Copyright (C) 2011 by poddav
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Windows;
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using System.Windows.Interop;
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using System.Runtime.InteropServices;
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namespace Rnd.Windows
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{
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/// <summary>
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/// Window without an icon.
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/// </summary>
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public class ModalWindow : Window
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{
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protected override void OnSourceInitialized(EventArgs e)
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{
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base.OnSourceInitialized(e);
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HideIcon (this);
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}
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internal class NativeMethods
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{
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[DllImport ("user32.dll")]
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internal static extern int GetWindowLong (IntPtr hwnd, int index);
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[DllImport ("user32.dll")]
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internal static extern int SetWindowLong (IntPtr hwnd, int index, int newStyle);
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[DllImport ("user32.dll")]
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internal static extern bool SetWindowPos (IntPtr hwnd, IntPtr hwndInsertAfter, int x, int y, int width, int height, uint flags);
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[DllImport ("user32.dll")]
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internal static extern IntPtr SendMessage (IntPtr hwnd, uint msg, IntPtr wParam, IntPtr lParam);
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}
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const int GWL_EXSTYLE = -20;
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const int WS_EX_DLGMODALFRAME = 0x0001;
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const int SWP_NOSIZE = 0x0001;
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const int SWP_NOMOVE = 0x0002;
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const int SWP_NOZORDER = 0x0004;
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const int SWP_FRAMECHANGED = 0x0020;
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const uint WM_SETICON = 0x0080;
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/// <summary>
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/// Win32 mumbo-jumbo to hide window icon and its menu.
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/// </summary>
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public static void HideIcon (Window window)
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{
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// Get this window's handle
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IntPtr hwnd = new WindowInteropHelper (window).Handle;
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// Change the extended window style to not show a window icon
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int extendedStyle = NativeMethods.GetWindowLong (hwnd, GWL_EXSTYLE);
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NativeMethods.SetWindowLong (hwnd, GWL_EXSTYLE, extendedStyle | WS_EX_DLGMODALFRAME);
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NativeMethods.SendMessage (hwnd, WM_SETICON, IntPtr.Zero, IntPtr.Zero);
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NativeMethods.SendMessage (hwnd, WM_SETICON, new IntPtr (1), IntPtr.Zero);
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// Update the window's non-client area to reflect the changes
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NativeMethods.SetWindowPos (hwnd, IntPtr.Zero, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
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}
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}
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}
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