"Steve Bugden" wrote:

> Hi
>
> I have just upgraded a vb.net 2003 project to 2005. I get an error when
> trying to access a FolderBrowserDialog as follows
>
>     Private Sub Button1_Click_2(ByVal sender As System.Object, ByVal e As
> System.EventArgs) Handles Button1.Click
>
>         FolderBrowserDialog1.Description = "Please select a location for
> your web pages."
>
>         'Default to the c drive if it exists
>         If Directory.Exists("c:\") = True Then
>             FolderBrowserDialog1.SelectedPath = "c:\"
>         Else
>             FolderBrowserDialog1.SelectedPath = ""
>         End If
>
>         FolderBrowserDialog1.ShowDialog()
>
> end sub
>
> The error I get is:
> "the Current thread must be set to single thread apartment (STA) mode before
> OLE calls can be made. Ensure that your Main function has STAThreadAttribute
> marked on it. This exception is only raised if a debugger is attached to the
> process."
>
> So i created a class 'clsStartup' containing a main procedure:
>
> Public Class clsStartup
>
>     <STAThread()> _
>     Shared Sub Main()
>
>         ' Declare a variable named frm1 of type Form1.
>         Dim frm1 As frmWSGWebSiteLocationUpdate
>
>         ' Instantiate (create) a new Form1 object and assign
>
>         ' it to variable frm1.
>
>         frm1 = New frmWSGWebSiteLocationUpdate()
>
>         ' Call the Application class' Run method
>
>         ' passing it the Form1 object created above.
>
>         Application.Run(frmWSGWebSiteLocationUpdate)
>
>     End Sub
>
> End Class
>
> And set the startup object to be clsStartup.
>
> But I still get the same message.
>
> Can anyone help me please?
>
> Regards,
>
> Steve.

"Steve Bugden" wrote:

> Also tried using the  <STAThreadAttribute()>  with same result.
>
> Public Class clsWSGStartup
>
>     <STAThreadAttribute()> _
>     Shared Sub Main()
>
>         ' Declare a variable named frm1 of type Form1.
>         Dim frm1 As frmWSGWebSiteLocationUpdate
>         frm1 = New frmWSGWebSiteLocationUpdate()
>         Application.Run(frm1)
>
>     End Sub
>
> End Class
>
> Regards,
>
> Steve.
>
> "Steve Bugden" wrote:
>
> > Hi
> >
> > I have just upgraded a vb.net 2003 project to 2005. I get an error when
> > trying to access a FolderBrowserDialog as follows
> >
> >     Private Sub Button1_Click_2(ByVal sender As System.Object, ByVal e As
> > System.EventArgs) Handles Button1.Click
> >
> >         FolderBrowserDialog1.Description = "Please select a location for
> > your web pages."
> >
> >         'Default to the c drive if it exists
> >         If Directory.Exists("c:\") = True Then
> >             FolderBrowserDialog1.SelectedPath = "c:\"
> >         Else
> >             FolderBrowserDialog1.SelectedPath = ""
> >         End If
> >
> >         FolderBrowserDialog1.ShowDialog()
> >
> > end sub
> >
> > The error I get is:
> > "the Current thread must be set to single thread apartment (STA) mode before
> > OLE calls can be made. Ensure that your Main function has STAThreadAttribute
> > marked on it. This exception is only raised if a debugger is attached to the
> > process."
> >
> > So i created a class 'clsStartup' containing a main procedure:
> >
> > Public Class clsStartup
> >
> >     <STAThread()> _
> >     Shared Sub Main()
> >
> >         ' Declare a variable named frm1 of type Form1.
> >         Dim frm1 As frmWSGWebSiteLocationUpdate
> >
> >         ' Instantiate (create) a new Form1 object and assign
> >
> >         ' it to variable frm1.
> >
> >         frm1 = New frmWSGWebSiteLocationUpdate()
> >
> >         ' Call the Application class' Run method
> >
> >         ' passing it the Form1 object created above.
> >
> >         Application.Run(frmWSGWebSiteLocationUpdate)
> >
> >     End Sub
> >
> > End Class
> >
> > And set the startup object to be clsStartup.
> >
> > But I still get the same message.
> >
> > Can anyone help me please?
> >
> > Regards,
> >
> > Steve.