private void UserControl_DragEnter(object sender, DragEventArgs e)
{
var plots = PlotClipboardData.FromDataObject(e.Data);
var targetDeviceId = Model?.Device?.DeviceId;
if (targetDeviceId != null && plots.All(p => p.DeviceId == targetDeviceId))
{
var isMove = (e.KeyStates & DragDropKeyStates.ShiftKey) != 0;
e.Effects = isMove ? DragDropEffects.Move : DragDropEffects.Copy;
e.Handled = true;
return;
}
e.Effects = DragDropEffects.None;
e.Handled = true;
}
private void UserControl_Drop(object sender, DragEventArgs e)
{
var sources = PlotClipboardData.FromDataObject(e.Data).ToArray();
if (sources.Length > 0)
{
var isMove = (e.KeyStates & DragDropKeyStates.ShiftKey) != 0;
try {
foreach (var source in sources)
{
Model?.CopyPlotFromAsync(source.DeviceId, source.PlotId, isMove).DoNotWait();
}
} catch (RPlotManagerException ex) {
MessageBox.Show(ex.Message, string.Empty, MessageBoxButton.OK, MessageBoxImage.Error);
} catch (OperationCanceledException) {
}
e.Handled = true;
}
}