//応答なしにならないようにメッセージループを回す
public static bool DoEvents(Form self = null, string message = null)
{
if (System.Threading.Thread.CurrentThread.IsBackground)
{//スレッド処理 停止の確認
return(false);
}
if (message == null)
{
//nop
}
else if (LastPleaseWaitStaticCache != null)
{
LastPleaseWaitStaticCache.Message(message);
}
else if (self != null)
{
NotifyPleaseWaitUserControl c = GetControll <NotifyPleaseWaitUserControl>(self, null);
if (c != null)
{//表示している.
c.Message(message);
LastPleaseWaitStaticCache = c;
}
}
else
{//ウィンドウがない状態
return(false);
}
//ループを回す
Application.DoEvents();
//停止は受け付けない!
return(false);
}
public static void HidePleaseWait(Form self)
{
NotifyPleaseWaitUserControl c = GetControll <NotifyPleaseWaitUserControl>(self, null);
if (c != null)
{//表示しているなら消す
self.Controls.Remove(c);
LastPleaseWaitStaticCache = null;
}
}
public static bool IsPleaseWaitDialog(Form self)
{
if (self == null)
{
self = LastActiveForm;
if (self == null)
{
return(false);
}
}
NotifyPleaseWaitUserControl c = GetControll <NotifyPleaseWaitUserControl>(self, null);
return(c != null);
}
public static void ShowPleaseWait(Form self)
{
if (GetControll <NotifyPleaseWaitUserControl>(self, null) != null)
{//既に表示中.
return;
}
NotifyPleaseWaitUserControl notifyControl = new NotifyPleaseWaitUserControl();
notifyControl.Location = new System.Drawing.Point
(
(self.Width - notifyControl.Width) / 2
, (self.Height - notifyControl.Height) / 2
);
notifyControl.Hide();
self.Controls.Add(notifyControl);
notifyControl.BringToFront();
notifyControl.Show();
notifyControl.Update();
LastPleaseWaitStaticCache = notifyControl;
}
