public async Task <bool> CheckAndOpenWindow <T>(Application app, ISingleObject <T> obj) where T : Window, new()
{
if (ExistAnotherInstance)
{
await SendOpenWindowMessage();
return(true);
}
else
{
RegistClient <T>(app, obj);
return(false);
}
}
private void RegistClient <T>(Application app, ISingleObject <T> obj) where T : Window, new()
{
SimplePipe.Clinet pipe = new SimplePipe.Clinet(Name + "_Mutex");
pipe.Start();
pipe.GotMessage += (p1, p2) =>
{
if (p2.Message == "OpenWindow")
{
app.Dispatcher.Invoke(() =>
{
if (obj.SingleObject == null)
{
obj.SingleObject = new T();
}
try
{
obj.SingleObject.Show();
}
catch (InvalidOperationException)
{
obj.SingleObject = new T();
obj.SingleObject.Show();
}
if (obj.SingleObject.Visibility == Visibility.Hidden)
{
obj.SingleObject.Visibility = Visibility.Collapsed;
}
if (obj.SingleObject.Visibility != Visibility.Visible)
{
obj.SingleObject.Visibility = Visibility.Visible;
}
if (obj.SingleObject.WindowState == WindowState.Minimized)
{
obj.SingleObject.WindowState = WindowState.Normal;
}
obj.SingleObject.Activate();
//pipe.Dispose();
//pipe.Start();
//SetForegroundWindow(new WindowInteropHelper(app.MainWindow).Handle);
});
}
};
}