Hi there

I'm still creating a Form to be used in Excel.  The Form is opened via
a vba macro which calls a C# wrapper within an xll that opens the
Form, like this:

VBA:

   Sub TestMacro2()
       Call Application.Run("OpenForm")
   End Sub

C#:

public class XLFormWrap
{
   [STAThread]
   public static void OpenForm()
   {
       XLForm Form1 = new XLForm();
       Form1.ShowDialog();
   }
}

What is strange is that while the first time I run the vba macro the
form opens up, any subsequent time produces nothing.  I have to close
the session of Excel and reopen it to get the form to open again.

Does anyone know why this would happen please?

Many Thanks
Lloyd