public void ClearDragEvent()
{
{
if (OnDragEvent != null)
{
Delegate[] invokeList = OnDragEvent.GetInvocationList();
if (invokeList != null)
{
foreach (Delegate del in invokeList)
{
OnDragEvent -= (OnDragDlg)del;
}
}
}
}
{
if (OnBeginDragEvent != null)
{
Delegate[] invokeList = OnBeginDragEvent.GetInvocationList();
if (invokeList != null)
{
foreach (Delegate del in invokeList)
{
OnBeginDragEvent -= (OnBeginDragDlg)del;
}
}
}
}
{
if (OnEndDragEvent != null)
{
Delegate[] invokeList = OnEndDragEvent.GetInvocationList();
if (invokeList != null)
{
foreach (Delegate del in invokeList)
{
OnEndDragEvent -= (OnEndDragDlg)del;
}
}
}
}
}