private void OnMouseDown( object sender, MouseEventArgs e )
{
if ( m_controller != null )
{
m_lastPoint = e.Location;
m_draggedCards = m_controller.StartDragging( m_lastPoint );
if ( m_draggedCards != null )
{
m_draggedCards.StartDragging( );
this.Capture = true;
this.Invalidate( );
}
}
}
