public override void Drop(DragEventArgs e, int index)
{
Debug.Assert(Context.CanDragAndDrop);
if (!Context.CanDragAndDrop)
{
return;
}
var nodeIndexes = e.Data.GetData(FileTVConstants.DATAFORMAT_COPIED_ROOT_NODES) as int[];
if (nodeIndexes != null)
{
Debug.Assert(DropNodes != null);
DropNodes?.Invoke(index, nodeIndexes);
return;
}
var filenames = e.Data.GetData(DataFormats.FileDrop) as string[];
if (filenames != null)
{
Debug.Assert(DropFiles != null);
DropFiles?.Invoke(index, filenames);
return;
}
Debug.Fail("Unknown drop data format");
}
public override void Drop(DragEventArgs e, int index)
{
Debug.Assert(Context.CanDragAndDrop);
if (!Context.CanDragAndDrop)
{
return;
}
if (e.Data.GetData(DocumentTreeViewConstants.DATAFORMAT_COPIED_ROOT_NODES) is int[] nodeIndexes)
{
Debug2.Assert(DropNodes is not null);
DropNodes?.Invoke(index, nodeIndexes);
return;
}
if (e.Data.GetData(DataFormats.FileDrop) is string[] filenames)
{
Debug2.Assert(DropFiles is not null);
DropFiles?.Invoke(index, filenames);
return;
}
Debug.Fail("Unknown drop data format");
}
public static void DropFile(IntPtr hWnd, IList<MmdDropFile> files)
{
var names = Encoding.Unicode.GetBytes(string.Join("\0", files.Select(_ => _.FullName).ToArray()) + "\0\0");
var pipes = files.Where(_ => _.IsPipe).Select(_ => new {
Pipe = new NamedPipeServerStream(_.FileName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous),
File = _
}).ToArray();
var dropFilesSize = Marshal.SizeOf(typeof(DropFiles));
var hGlobal = Marshal.AllocHGlobal(dropFilesSize + names.Length);
var dropFiles = new DropFiles {
pFiles = (uint)dropFilesSize,
x = 0,
y = 0,
fNC = false,
fWide = true
};
Marshal.StructureToPtr(dropFiles, hGlobal, true);
Marshal.Copy(names, 0, new IntPtr(hGlobal.ToInt32() + dropFiles.pFiles), names.Length);
PostMessage(hWnd, WM_DROPFILES, hGlobal, IntPtr.Zero);
// Marshal.FreeHGlobal(hGlobal);
foreach (var i in pipes)
using (var handle = new ManualResetEvent(false)) {
var success = false;
i.Pipe.BeginWaitForConnection(ar => {
try {
i.Pipe.EndWaitForConnection(ar);
success = true;
try {
i.File.Stream.CopyTo(i.Pipe, (int)i.File.Stream.Length);
i.Pipe.WaitForPipeDrain();
} catch (IOException) {
}
i.Pipe.Dispose();
i.File.Stream.Dispose();
handle.Set();
} catch (ObjectDisposedException) {
}
}, null);
if (i.File.Timeout != -1)
ThreadPool.QueueUserWorkItem(_ => {
Thread.Sleep(i.File.Timeout);
if (!success && !i.Pipe.IsConnected) {
i.Pipe.Dispose();
i.File.Stream.Dispose();
handle.Set();
}
});
handle.WaitOne();
}
}
public static void DropFile(IntPtr hWnd, IList <MmdDropFile> files)
{
var names = Encoding.Unicode.GetBytes(string.Join("\0", files.Select(_ => _.FullName).ToArray()) + "\0\0");
var pipes = files.Where(_ => _.IsPipe).Select(_ => new {
Pipe = new NamedPipeServerStream(_.FileName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous),
File = _
}).ToArray();
var dropFilesSize = Marshal.SizeOf(typeof(DropFiles));
var hGlobal = Marshal.AllocHGlobal(dropFilesSize + names.Length);
var dropFiles = new DropFiles {
pFiles = (uint)dropFilesSize,
x = 0,
y = 0,
fNC = false,
fWide = true
};
Marshal.StructureToPtr(dropFiles, hGlobal, true);
Marshal.Copy(names, 0, new IntPtr(hGlobal.ToInt64() + dropFiles.pFiles), names.Length);
PostMessage(hWnd, WM_DROPFILES, hGlobal, IntPtr.Zero);
// Marshal.FreeHGlobal(hGlobal);
foreach (var i in pipes)
{
using (var handle = new ManualResetEvent(false)) {
var success = false;
i.Pipe.BeginWaitForConnection(ar => {
try {
i.Pipe.EndWaitForConnection(ar);
success = true;
try {
i.File.Stream.CopyTo(i.Pipe, (int)i.File.Stream.Length);
i.Pipe.WaitForPipeDrain();
} catch (IOException) {}
i.Pipe.Dispose();
i.File.Stream.Dispose();
handle.Set();
} catch (ObjectDisposedException) {}
}, null);
if (i.File.Timeout != -1)
{
ThreadPool.QueueUserWorkItem(_ => {
Thread.Sleep(i.File.Timeout);
if (!success && !i.Pipe.IsConnected)
{
i.Pipe.Dispose();
i.File.Stream.Dispose();
handle.Set();
}
});
}
handle.WaitOne();
}
}
}
private void OnDropFiles(string[] files) => DropFiles?.Invoke(this, files);
