"Yeti" <Y***@discussions.microsoft.com> schrieb
> Hey everyone, I am modifying code upgraded from VB 6 to 2005. I need
> to run the 2005 code in the MTA mode so I set a sub main procedure
> in my module which runs first when the program starts:
>
> Public theApplicationForm As New Form1
>
> <MTAThread()> Public Sub main()
> Application.Run(theApplicationForm)
> End Sub
>
> However, when this launches the Form1, I receive the following
> runtime error: {"ActiveX control
> '6262d3a0-531b-11cf-91f6-c2863c385e30' cannot be instantiated
> because the current thread is not in a single-threaded apartment."}
>
> I don't know how to proceed from here. I realize that the ActiveX
> component is something old VB6 code still being used..I believe it
> is an MSFlexGrid. How do I run my program as multithreaded
> successfully? MANY THANKS!!

"Armin Zingler" <az.nospam@freenet.de> schrieb
> "Yeti" <Y***@discussions.microsoft.com> schrieb
> > Hey everyone, I am modifying code upgraded from VB 6 to 2005. I
> > need to run the 2005 code in the MTA mode so I set a sub main
> > procedure in my module which runs first when the program starts:
> >
> > Public theApplicationForm As New Form1
> >
> > <MTAThread()> Public Sub main()
> > Application.Run(theApplicationForm)
> > End Sub
> >
> > However, when this launches the Form1, I receive the following
> > runtime error: {"ActiveX control
> > '6262d3a0-531b-11cf-91f6-c2863c385e30' cannot be instantiated
> > because the current thread is not in a single-threaded
> > apartment."}
> >
> > I don't know how to proceed from here. I realize that the ActiveX
> > component is something old VB6 code still being used..I believe it
> > is an MSFlexGrid. How do I run my program as multithreaded
> > successfully? MANY THANKS!!
>
>
> If you use the ActiveX control, you must use the STAThread (or no)
> attribute.

"Armin Zingler" wrote:

> "Armin Zingler" <az.nospam@freenet.de> schrieb
> > "Yeti" <Y***@discussions.microsoft.com> schrieb
> > > Hey everyone, I am modifying code upgraded from VB 6 to 2005. I
> > > need to run the 2005 code in the MTA mode so I set a sub main
> > > procedure in my module which runs first when the program starts:
> > >
> > > Public theApplicationForm As New Form1
> > >
> > > <MTAThread()> Public Sub main()
> > > Application.Run(theApplicationForm)
> > > End Sub
> > >
> > > However, when this launches the Form1, I receive the following
> > > runtime error: {"ActiveX control
> > > '6262d3a0-531b-11cf-91f6-c2863c385e30' cannot be instantiated
> > > because the current thread is not in a single-threaded
> > > apartment."}
> > >
> > > I don't know how to proceed from here. I realize that the ActiveX
> > > component is something old VB6 code still being used..I believe it
> > > is an MSFlexGrid. How do I run my program as multithreaded
> > > successfully? MANY THANKS!!
> >
> >
> > If you use the ActiveX control, you must use the STAThread (or no)
> > attribute.
>
> Skip the "(or no)" words. Default is MTAThread for the main procedure of the
> startup thread.
>
> > Why do you need MTAThread? You can create threads without this
> > attribute.
>
>
>
>
> Armin
>
>

"Armin Zingler" wrote:

> "Yeti" <Y***@discussions.microsoft.com> schrieb
> > Thanks for getting back to me Armin.  I need to use the MTAThread so
> > that I can subscribe to an OPC server.  Any workarounds or should I
> > just delete all the ActiveX's?- Owen
>
>
> Why not start another thread that communicates with the OPC server? If you
> do it, be aware of what the docu says: You must set the ApartmentState
> property of the other thread before you start it.
>
>
> Armin
>
>