/// <summary>Delete a file to the recycle bin. 'flags' should be Win32.FOF_??? flags</summary>
public static bool ShellDelete(IntPtr hwnd, string filepath, EFileOpFlags flags = EFileOpFlags.AllowUndo, string title = "Deleting Files...")
{
// Convert the filepath to a byte buffer so that we can ensure double null termination.
// Interop as a string causes the double null not to be copied
var srcs = Encoding.Unicode.GetBytes(filepath + "\0\0");
using (var spin = new PinnedObject <byte[]>(srcs, GCHandleType.Pinned))
{
if (Environment.Is64BitProcess)
{
var shf = new Shell32.SHFILEOPSTRUCTW64();
shf.hwnd = hwnd;
shf.wFunc = Shell32.FO_DELETE;
shf.fFlags = unchecked ((ushort)flags);
shf.pFrom = spin.Pointer;
shf.lpszProgressTitle = title;
Shell32.SHFileOperationW(ref shf);
return(shf.fAnyOperationsAborted == 0);
}
else
{
var shf = new Shell32.SHFILEOPSTRUCTW32();
shf.hwnd = hwnd;
shf.wFunc = Shell32.FO_DELETE;
shf.fFlags = unchecked ((ushort)flags);
shf.pFrom = spin.Pointer;
shf.lpszProgressTitle = title;
Shell32.SHFileOperationW(ref shf);
return(shf.fAnyOperationsAborted == 0);
}
}
}
public static bool ShellMove(IntPtr hwnd, IEnumerable <string> src, IEnumerable <string> dst, EFileOpFlags flags = EFileOpFlags.None, string title = "Moving Files...")
{
// Get the list of files as an array
var src_list = src.ToArray();
var dst_list = dst.ToArray();
// Sanity check
if ((src_list.Length == 0 && dst_list.Length != 0) ||
(src_list.Length != 0 && dst_list.Length == 0) ||
(src_list.Length != 0 && dst_list.Length != 1 && dst_list.Length != src_list.Length))
{
throw new Exception("Illogical combination of source and destination file paths");
}
// Add the multiple files flag
if (dst_list.Length > 1)
{
flags |= EFileOpFlags.MultipleDstFiles;
}
// Convert the filepaths to a byte buffer so that we can ensure double null termination.
// Interop as a string causes the double null not to be copied
var srcs = Encoding.Unicode.GetBytes(string.Join("\0", src_list) + "\0\0"); // ensure double null termination
var dsts = Encoding.Unicode.GetBytes(string.Join("\0", dst_list) + "\0\0"); // ensure double null termination
using (var spin = new PinnedObject <byte[]>(srcs, GCHandleType.Pinned))
using (var dpin = new PinnedObject <byte[]>(dsts, GCHandleType.Pinned))
{
if (Environment.Is64BitProcess)
{
var shf = new Shell32.SHFILEOPSTRUCTW64();
shf.hwnd = hwnd;
shf.wFunc = Shell32.FO_MOVE;
shf.fFlags = unchecked ((ushort)flags);
shf.pFrom = spin.Pointer;
shf.pTo = dpin.Pointer;
shf.lpszProgressTitle = title;
Shell32.SHFileOperationW(ref shf);
return(shf.fAnyOperationsAborted == 0);
}
else
{
var shf = new Shell32.SHFILEOPSTRUCTW32();
shf.hwnd = hwnd;
shf.wFunc = Shell32.FO_MOVE;
shf.fFlags = unchecked ((ushort)flags);
shf.pFrom = spin.Pointer;
shf.pTo = dpin.Pointer;
shf.lpszProgressTitle = title;
Shell32.SHFileOperationW(ref shf);
return(shf.fAnyOperationsAborted == 0);
}
}
}
