public int DragDrop(IntPtr pDataObj, int grfKeyState, Point pt, ref int pdwEffect)
{
//Debug.WriteLine("In DragDrop: Effect = " & pdwEffect & " Keystate = " & grfKeyState)
int res;
if (m_LastTarget != null)
{
res = m_LastTarget.DragDrop(pDataObj, grfKeyState, pt, ref pdwEffect);
//version 21 change
if (res != 0 && res != 1)
{
Debug.WriteLine("Error in dropping on DropTarget. res = " + Convert.ToString(res, 16));
} //No error on drop
// it is quite possible that the actual Drop has not completed.
// in fact it could be Canceled with nothing happening.
// All we are going to do is hope for the best
// The documented norm for Optimized Moves is pdwEffect=None, so leave it
if (ShDragDropEvent != null)
{
ShDragDropEvent(m_DropList, m_LastNode, grfKeyState, pdwEffect);
}
}
ResetPrevTarget();
int cnt = Marshal.Release(m_DragDataObj); //get rid of cnt added in DragEnter
m_DragDataObj = IntPtr.Zero;
return(0);
}
