public bool ProcessDnD(Control control, object eventSender)
{
bool ret = false;
_currentProceededDragSource.HandleDragStart(eventSender, _lastCreatedDragSourceEventArgs);
_currentProceededDragSource.HandleDragSetData(eventSender, _lastCreatedDragSourceEventArgs);
control.GiveFeedback += HandleGiveFeedback;
control.QueryContinueDrag += HandleQueryContinueDrag;
try {
DragDropEffects effect = control.DoDragDrop(
_lastCreatedDragSourceEventArgs.DataObject,
_currentProceededDragSource.AllowedEffects
);
_lastCreatedDragSourceEventArgs.Effects = effect;
ret = effect != DragDropEffects.None;
} finally {
control.GiveFeedback -= HandleGiveFeedback;
control.QueryContinueDrag -= HandleQueryContinueDrag;
}
_currentProceededDragSource.HandleDragFinish(eventSender, _lastCreatedDragSourceEventArgs);
ClearDnDState();
return(ret);
}