NoStartupFormException Class
This exception is thrown by the Visual Basic Application Model when the MainForm property has not been set.
Assembly: Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)
The Visual Basic Application Model requires that the application set the MainForm property before running the OnRun method. If the property is not set, the Visual Basic Application Model raises this exception. For more information, see Extending the Visual Basic Application Model.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.