public void ReqTurnDown()
{
if (State != PanelState.Open)
{
throw new Exception("Error");
}
PanelControl pCtl = TaskControl as PanelControl;
pCtl.ReqTurnDown();
State = PanelState.TurnDown;
// このタイミングで通知
if (_OnReportPanelChange != null)
{
_OnReportPanelChange(X, Y, PanelState.Close);
}
SequenceManager.SendMessage(MessageType.PanelCloseStart, Index);
}