public static void DoDragDrop(DependencyObject dragSource, object data, CustomDragDropEffects allowedEffects, CustomDragDropKeyStates initialKeyState)
{
_dragOperationInProgress = new CustomDragOperation(dragSource, data, allowedEffects, initialKeyState);
_dragOperationInProgress.Subscribe<CustomDragDropEffects>(delegate (CustomDragDropEffects effects) {
CustomDragDropCompletedEventArgs args = new CustomDragDropCompletedEventArgs {
Effects = effects
};
OnDragCompleted(args);
});
}
private static void OnDragCompleted(CustomDragDropCompletedEventArgs args)
{
_dragOperationInProgress.Dispose();
_dragOperationInProgress = null;
EventHandler<CustomDragDropCompletedEventArgs> dragDropCompleted = DragDropCompleted;
if (dragDropCompleted != null)
{
dragDropCompleted(null, args);
}
}