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WindowsFormsApplicationBase.MainForm Property

Gets or sets the main form for this application.

Namespace:  Microsoft.VisualBasic.ApplicationServices
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)
protected Form MainForm { get; set; }

Property Value

Type: System.Windows.Forms.Form
Gets or sets the main form for this application.

Use the MainForm property to get or set the Form object that the Visual Basic Application Startup/Shutdown model uses as the application's main form.

This property supports the Visual Basic Application Startup/Shutdown model. For more information, see Overview of the Visual Basic Application Model.

The changes to this property are not persisted when the application closes. To change the main form permanently, you must change the setting in the Project Designer.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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