mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-30 17:05:37 +08:00
346 lines
12 KiB
C#
346 lines
12 KiB
C#
//! \file Shell.cs
|
|
//! \date Tue Aug 02 13:48:55 2011
|
|
//! \brief Win32 shell functions.
|
|
//
|
|
// Copyright (C) 2011 by poddav
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//
|
|
|
|
using System;
|
|
using System.IO;
|
|
using System.Text;
|
|
using System.Collections.Generic;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace GARbro.Shell
|
|
{
|
|
/// <summary>
|
|
/// Wrapper around MoveFileEx WINAPI call.
|
|
/// </summary>
|
|
class File
|
|
{
|
|
[DllImport("kernel32.dll", EntryPoint="MoveFileExW", SetLastError=true, CharSet=CharSet.Unicode)]
|
|
public static extern bool MoveFileEx (string lpExistingFileName, string lpNewFileName, MoveFileFlags dwFlags);
|
|
|
|
[Flags]
|
|
public enum MoveFileFlags : uint
|
|
{
|
|
ReplaceExisting = 0x00000001,
|
|
CopyAllowed = 0x00000002,
|
|
DelayUntilReboot = 0x00000004,
|
|
WriteThrough = 0x00000008,
|
|
CreateHardlink = 0x00000010,
|
|
FailIfNotTrackable = 0x00000020
|
|
}
|
|
|
|
public static bool Rename (string szFrom, string szTo)
|
|
{
|
|
return MoveFileEx (szFrom, szTo, MoveFileFlags.ReplaceExisting);
|
|
}
|
|
|
|
public static int GetLastError ()
|
|
{
|
|
return Marshal.GetLastWin32Error();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Possible flags for the SHFileOperation method.
|
|
/// </summary>
|
|
[Flags]
|
|
public enum FileOperationFlags : ushort
|
|
{
|
|
/// <summary>
|
|
/// Do not show a dialog during the process
|
|
/// </summary>
|
|
FOF_SILENT = 0x0004,
|
|
/// <summary>
|
|
/// Do not ask the user to confirm selection
|
|
/// </summary>
|
|
FOF_NOCONFIRMATION = 0x0010,
|
|
/// <summary>
|
|
/// Delete the file to the recycle bin. (Required flag to send a file to the bin
|
|
/// </summary>
|
|
FOF_ALLOWUNDO = 0x0040,
|
|
/// <summary>
|
|
/// Do not show the names of the files or folders that are being recycled.
|
|
/// </summary>
|
|
FOF_SIMPLEPROGRESS = 0x0100,
|
|
/// <summary>
|
|
/// Surpress errors, if any occur during the process.
|
|
/// </summary>
|
|
FOF_NOERRORUI = 0x0400,
|
|
/// <summary>
|
|
/// Warn if files are too big to fit in the recycle bin and will need
|
|
/// to be deleted completely.
|
|
/// </summary>
|
|
FOF_WANTNUKEWARNING = 0x4000,
|
|
}
|
|
|
|
/// <summary>
|
|
/// File Operation Function Type for SHFileOperation
|
|
/// </summary>
|
|
public enum FileOperationType : uint
|
|
{
|
|
/// <summary>
|
|
/// Move the objects
|
|
/// </summary>
|
|
FO_MOVE = 0x0001,
|
|
/// <summary>
|
|
/// Copy the objects
|
|
/// </summary>
|
|
FO_COPY = 0x0002,
|
|
/// <summary>
|
|
/// Delete (or recycle) the objects
|
|
/// </summary>
|
|
FO_DELETE = 0x0003,
|
|
/// <summary>
|
|
/// Rename the object(s)
|
|
/// </summary>
|
|
FO_RENAME = 0x0004,
|
|
}
|
|
|
|
/// <summary>
|
|
/// SHFILEOPSTRUCT for SHFileOperation from COM
|
|
/// </summary>
|
|
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto, Pack = 1)]
|
|
private struct SHFILEOPSTRUCT
|
|
{
|
|
|
|
public IntPtr hwnd;
|
|
[MarshalAs(UnmanagedType.U4)]
|
|
public FileOperationType wFunc;
|
|
public string pFrom;
|
|
public string pTo;
|
|
public FileOperationFlags fFlags;
|
|
[MarshalAs(UnmanagedType.Bool)]
|
|
public bool fAnyOperationsAborted;
|
|
public IntPtr hNameMappings;
|
|
public string lpszProgressTitle;
|
|
}
|
|
|
|
[DllImport("shell32.dll", CharSet = CharSet.Auto)]
|
|
private static extern int SHFileOperation (ref SHFILEOPSTRUCT FileOp);
|
|
|
|
/// <summary>
|
|
/// Send file to recycle bin
|
|
/// </summary>
|
|
/// <param name="path">Location of directory or file to recycle</param>
|
|
/// <param name="flags">FileOperationFlags to add in addition to FOF_ALLOWUNDO</param>
|
|
public static bool Delete (string path, FileOperationFlags flags)
|
|
{
|
|
var fs = new SHFILEOPSTRUCT
|
|
{
|
|
wFunc = FileOperationType.FO_DELETE,
|
|
pFrom = path + '\0' + '\0',
|
|
fFlags = FileOperationFlags.FOF_ALLOWUNDO | flags
|
|
};
|
|
return 0 == SHFileOperation (ref fs);
|
|
}
|
|
|
|
public static bool Delete (IEnumerable<string> file_list, FileOperationFlags flags)
|
|
{
|
|
var files = new StringBuilder();
|
|
foreach (var file in file_list)
|
|
{
|
|
files.Append (file);
|
|
files.Append ('\0');
|
|
}
|
|
if (0 == files.Length)
|
|
return false;
|
|
files.Append ('\0');
|
|
var fs = new SHFILEOPSTRUCT
|
|
{
|
|
wFunc = FileOperationType.FO_DELETE,
|
|
pFrom = files.ToString(),
|
|
fFlags = FileOperationFlags.FOF_ALLOWUNDO | flags
|
|
};
|
|
return 0 == SHFileOperation (ref fs);
|
|
}
|
|
|
|
public static bool Delete (IEnumerable<string> file_list)
|
|
{
|
|
return Delete (file_list, FileOperationFlags.FOF_WANTNUKEWARNING);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Send file to recycle bin. Display dialog, display warning if files are too big to fit (FOF_WANTNUKEWARNING)
|
|
/// </summary>
|
|
/// <param name="path">Location of directory or file to recycle</param>
|
|
public static bool Delete (string path)
|
|
{
|
|
return Delete (path, FileOperationFlags.FOF_NOCONFIRMATION | FileOperationFlags.FOF_WANTNUKEWARNING);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Send file silently to recycle bin. Surpress dialog, surpress errors, delete if too large.
|
|
/// </summary>
|
|
/// <param name="path">Location of directory or file to recycle</param>
|
|
public static bool MoveToRecycleBin (string path)
|
|
{
|
|
return Delete (path, FileOperationFlags.FOF_NOCONFIRMATION | FileOperationFlags.FOF_NOERRORUI | FileOperationFlags.FOF_SILENT);
|
|
|
|
}
|
|
}
|
|
|
|
public class TemporaryFile : IDisposable
|
|
{
|
|
private string m_name;
|
|
public string Name { get { return m_name; } }
|
|
|
|
public TemporaryFile ()
|
|
{
|
|
m_name = Path.GetRandomFileName();
|
|
}
|
|
|
|
public TemporaryFile (string filename)
|
|
{
|
|
m_name = filename;
|
|
}
|
|
|
|
public TemporaryFile (string path, string filename)
|
|
{
|
|
m_name = Path.Combine (path, filename);
|
|
}
|
|
|
|
#region IDisposable Members
|
|
bool disposed = false;
|
|
|
|
public void Dispose ()
|
|
{
|
|
Dispose (true);
|
|
GC.SuppressFinalize (this);
|
|
}
|
|
|
|
protected virtual void Dispose (bool disposing)
|
|
{
|
|
if (!disposed)
|
|
{
|
|
if (disposing)
|
|
{
|
|
System.IO.File.Delete (m_name);
|
|
}
|
|
disposed = true;
|
|
}
|
|
}
|
|
#endregion
|
|
};
|
|
|
|
/// <summary>
|
|
/// Wrapper around SHGetFileInfo WINAPI call.
|
|
/// </summary>
|
|
class FileInfo
|
|
{
|
|
[DllImport("shell32.dll", CharSet=CharSet.Auto)]
|
|
public static extern IntPtr SHGetFileInfo(
|
|
string pszPath, Int32 dwFileAttributes,
|
|
ref SHFILEINFO psfi, int cbFileInfo, int uFlags);
|
|
|
|
[DllImport("User32.dll")]
|
|
public static extern int DestroyIcon(IntPtr hIcon);
|
|
|
|
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
|
|
public struct SHFILEINFO
|
|
{
|
|
public IntPtr hIcon;
|
|
public int iIcon;
|
|
public uint dwAttributes;
|
|
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
|
|
public string szDisplayName;
|
|
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
|
|
public string szTypeName;
|
|
|
|
public SHFILEINFO(bool b)
|
|
{
|
|
hIcon = IntPtr.Zero;
|
|
iIcon = 0;
|
|
dwAttributes = 0;
|
|
szDisplayName = "";
|
|
szTypeName = "";
|
|
}
|
|
};
|
|
|
|
[Flags]
|
|
public enum SHGFI : uint
|
|
{
|
|
/// <summary>get icon</summary>
|
|
Icon = 0x000000100,
|
|
/// <summary>get display name</summary>
|
|
DisplayName = 0x000000200,
|
|
/// <summary>get type name</summary>
|
|
TypeName = 0x000000400,
|
|
/// <summary>get attributes</summary>
|
|
Attributes = 0x000000800,
|
|
/// <summary>get icon location</summary>
|
|
IconLocation = 0x000001000,
|
|
/// <summary>return exe type</summary>
|
|
ExeType = 0x000002000,
|
|
/// <summary>get system icon index</summary>
|
|
SysIconIndex = 0x000004000,
|
|
/// <summary>put a link overlay on icon</summary>
|
|
LinkOverlay = 0x000008000,
|
|
/// <summary>show icon in selected state</summary>
|
|
Selected = 0x000010000,
|
|
/// <summary>get only specified attributes</summary>
|
|
Attr_Specified = 0x000020000,
|
|
/// <summary>get large icon</summary>
|
|
LargeIcon = 0x000000000,
|
|
/// <summary>get small icon</summary>
|
|
SmallIcon = 0x000000001,
|
|
/// <summary>get open icon</summary>
|
|
OpenIcon = 0x000000002,
|
|
/// <summary>get shell size icon</summary>
|
|
ShellIconSize = 0x000000004,
|
|
/// <summary>pszPath is a pidl</summary>
|
|
PIDL = 0x000000008,
|
|
/// <summary>use passed dwFileAttribute</summary>
|
|
UseFileAttributes= 0x000000010,
|
|
/// <summary>apply the appropriate overlays</summary>
|
|
AddOverlays = 0x000000020,
|
|
/// <summary>Get the index of the overlay in the upper 8 bits of the iIcon</summary>
|
|
OverlayIndex = 0x000000040,
|
|
}
|
|
|
|
public static string GetTypeName (string filename)
|
|
{
|
|
SHFILEINFO info = new SHFILEINFO(true);
|
|
int szInfo = Marshal.SizeOf (info);
|
|
int result = (int)SHGetFileInfo (filename, 0, ref info, szInfo, (int)SHGFI.TypeName);
|
|
|
|
// If uFlags does not contain SHGFI_EXETYPE or SHGFI_SYSICONINDEX,
|
|
// the return value is nonzero if successful, or zero otherwise.
|
|
if (result != 0)
|
|
return info.szTypeName;
|
|
else
|
|
return string.Empty;
|
|
}
|
|
|
|
public static SHFILEINFO? GetInfo (string filename, SHGFI flags)
|
|
{
|
|
SHFILEINFO info = new SHFILEINFO(true);
|
|
int szInfo = Marshal.SizeOf (info);
|
|
int result = (int)SHGetFileInfo (filename, 0, ref info, szInfo, (int)flags);
|
|
|
|
return result != 0? new Nullable<SHFILEINFO> (info): null;
|
|
}
|
|
}
|
|
}
|