ActualWidth Property
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ColumnDefinition.ActualWidth Property

Gets a value that represents the actual calculated width of a ColumnDefinition.

Namespace: System.Windows.Controls
Assembly: PresentationFramework (in presentationframework.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

public double ActualWidth { get; }
/** @property */
public double get_ActualWidth ()

public function get ActualWidth () : double

You cannot use this property in XAML.

Property Value

A Double that represents the actual calculated width in device independent pixels. The default value is 0.0.

This property is a calculated value that is based on other width inputs and the layout system.

When you add or remove rows or columns, the ActualWidth for all ColumnDefinition elements and the ActualHeight of all RowDefinition elements becomes zero until Measure is called.

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

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