"Walter Wang [MSFT]" <waw***@online.microsoft.com> wrote in message
news:KbnoZLGkGHA.4528@TK2MSFTNGXA01.phx.gbl...
>
> Hi Steve,
>
> Thank you for your post.
>
> Based on my understanding, you're using a background thread to show the
> splash form, and tring to close it when the login form shows. If I've
> misunderstood anything, please feel free to post here.
>
> Windows Forms uses the single-threaded apartment (STA) model because
> Windows Forms is based on native Win32 windows that are inherently
> apartment-threaded. The STA model implies that a window can be created on
> any thread, but it cannot switch threads once created, and all function
> calls to it must occur on its creation thread.
>
> The STA model requires that any methods on a control that need to be
> called
> from outside the control's creation thread must be marshaled to (executed
> on) the control's creation thread. The base class Control provides several
> methods (Invoke, BeginInvoke, and EndInvoke) for this purpose. Invoke
> makes
> synchronous method calls; BeginInvoke makes asynchronous method calls.
>
> So for your question, the splash form can be closed using following code:
>
> frmsplash.Invoke(new MethodInvoker(AddressOf frmsplash.Close))
>
> Also, Visual Basic 2005 has builtin support for splash form. Please refer
> to following msdn documentation:
>
> #My.Application.SplashScreen
> http://msdn2.microsoft.com/en-us/1t310742.aspx
>
> Hope this helps. Please feel free to post here if anything is unclear.
>
> Regards,
> Walter Wang
> Microsoft Online Community Support
>
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