protected virtual void OnSetCursor(SetCursorEventArgs e)
{
var handler = SetCursor;
if (handler != null)
{
handler(this, e);
}
}
private void WmSetCursor(ref Message m)
{
var e = new SetCursorEventArgs(
PointToClient(Cursor.Position),
(HitTest)(m.LParam.ToInt32() & 0xffff)
);
OnSetCursor(e);
Cursor.Current = e.Cursor ?? Cursor;
}