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Form.ShowWithoutActivation Property

Gets a value indicating whether the window will be activated when it is shown.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

protected virtual bool ShowWithoutActivation { get; }
/** @property */
protected boolean get_ShowWithoutActivation ()

protected function get ShowWithoutActivation () : boolean

Not applicable.

Property Value

True if the window will not be activated when it is shown; otherwise, false. The default is false.

Use this property if you want to show a top-level window, but don't want to interrupt a user's work by taking the input focus away from the current window. This can be an informational pop-up window or a floating window, such as a Tools palette in the Paint application.

Because this property is read-only, you can only change its value by overriding ShowWithoutActivation in your own form, and programming it to return true.

If your non-activated window needs to use UI controls, you should consider using the ToolStrip controls, such as ToolStripDropDown. These controls are windowless, and will not cause a window to activate when they are selected.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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