internal DragDropEffects DoDragDrop(DropSourceBehavior dropSourceBehavior)
{
this.DropSource.QueryContinueDrag += new QueryContinueDragEventHandler(dropSourceBehavior.QueryContinueDrag);
this.DropSource.GiveFeedback += new GiveFeedbackEventHandler(dropSourceBehavior.GiveFeedback);
DragDropEffects none = DragDropEffects.None;
BehaviorDragDropEventArgs e = new BehaviorDragDropEventArgs(((DropSourceBehavior.BehaviorDataObject) dropSourceBehavior.DataObject).DragComponents);
try
{
try
{
this.OnBeginDrag(e);
this.dragging = true;
this.cancelDrag = false;
this.dragEnterReplies.Clear();
none = this.DropSource.DoDragDrop(dropSourceBehavior.DataObject, dropSourceBehavior.AllowedEffects);
}
finally
{
this.DropSource.QueryContinueDrag -= new QueryContinueDragEventHandler(dropSourceBehavior.QueryContinueDrag);
this.DropSource.GiveFeedback -= new GiveFeedbackEventHandler(dropSourceBehavior.GiveFeedback);
this.EndDragNotification();
this.validDragArgs = null;
this.dragging = false;
this.cancelDrag = false;
this.OnEndDrag(e);
}
return none;
}
catch (CheckoutException exception)
{
if (exception != CheckoutException.Canceled)
{
throw;
}
return DragDropEffects.None;
}
finally
{
if (dropSourceBehavior != null)
{
dropSourceBehavior.CleanupDrag();
}
}
return none;
}
