Howto Start a form in a thread and get access to it's variables

[Ariadne]

Hi, is there a description (or sample code) how to start in a form frmA a second form frmB in a thread and get access in frmA to the variables in the thread of frmB? Hope the question is clear... Thanks Andreas

Ariadne

[Martin 0]

Hello, Sounds like the funktionality of a Splash screen[^]! Summary:

Ariadne wrote:

how to start in a form frmA a second form frmB in a thread

Thread InstanceCaller = new Thread(new ThreadStart(MySplashThreadFunc)); InstanceCaller.Start(); private static void MySplashThreadFunc() { m_instance = new SplashForm(m_imageFile, m_transColor); m_instance.TopMost = false; m_instance.ShowDialog(); }

Ariadne wrote:

get access in frmA to the variables in the thread of frmB

Use delegates! Colin's article (passing values between forms)[^] If you whant to modify your GUI over an other thread: Don't forget to use InvokeRequired and Invoke! Hope it helps!

All the best, Martin

[N a v a n e e t h]

As usual excellent post..:cool:

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[Martin 0]

:rose: Thanks a lot!

All the best, Martin

[Ariadne]

Martin, thanks! It works. But unfortunatly it solves not my problem: If I debug the frmA, the timer in frmB stops also. Is there a way to exclude frmB from debugging? Or have I to use a separate application frmB and use interprocess data exchange to get the data from frmB. (frmB collects temperatures, and frmA reads them from frmB)

Ariadne

[Martin 0]

Hello,

Ariadne wrote:

If I debug the frmA, the timer in frmB stops also. Is there a way to exclude frmB from debugging?

Hmmm, interesting task! What kind of timer are you using? Maybe take a look at System.Threading or System.Timers. Timer! But I have to admit that this is without knowing something about debug behaviour! Maybe you should start a new thread with this specific question. I'm sure the MVP cracks or for example Luc (but also others), know more about this topic. Hope it helps!

All the best, Martin

[Ariadne]

Thanks.

Martin# wrote:

Maybe you should start a new thread with this specific question.

Yes I did so...

Ariadne

[Martin 0]

Ok, But you should really, try the approach with an other timer, which is not running in the GUI thread (Forms.Timer does run in GUI thread)

All the best, Martin