problem with application domain in tray-app

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C#

WinForms

C#4.0

application

GUI

, +

Well, maybe im just to tired to see the tree ...

I'v written a tray-app, which includes a WinForm with a NotifyIcon (on it). There's also a ContextMenuStrip CMS connected to the NotifyIcon's contextmenustrip-property.

I did the main method the following way:

static void Main()
{
    Application.EnableVisualStyles();
    Application.SetCompatibleTextRenderingDefault(false);
    SomeForm TrayForm = new SomeForm();
    TrayForm.WindowState = FormWindowState.Normal;
    TrayForm.Visible = false;
    TrayForm.ShowInTaskbar = false;
    // doing some initial stuff, ia a few times CSM.items.Add(...) -- no problem 'till here
    TrayForm.FirstRun();
    Application.Run();
}

BUT I've a method in the TrayForm class that is triggered by an event (works!) and should add one more item to the CMS.

Right here the problem occures: CSM.Items.Add(...) is executed, but the method is aborted immediatly - the code behind that statement will never be executed.

The only explenation that I have for that strange behaviour, is that starting the Programm with

Application.Run();

leads to a different appdomain and so the GUI-stuff executed after Application.Run() is not in reach for the TrayForm instance, that was created before that statement.

I'v also checked the other way round

Application.Run(TrayForm);

and everythig's fine. But then I'm in trouble with hiding the WinForm.

On the other hand, extending my event-triggering method with

if (Invoke.Required) ...

fails, because Invoke.Required always returns false !

Anyone out there with a chain saw ?? :-) :-)
thx a lot !