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NoStartupFormException Constructor

Initializes a new instance of the NoStartupFormException class.

Namespace:  Microsoft.VisualBasic.ApplicationServices
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

public NoStartupFormException()

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.

The following table shows the initial property values for an instance of NoStartupFormException.




A null reference (Nothing in Visual Basic).


The localized error-message string.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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