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ColumnDefinition.ActualWidth Property

.NET Framework 4

Other Versions

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

Namespace: System.Windows.Controls
Assembly: PresentationFramework (in PresentationFramework.dll)

Syntax

C++

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public double ActualWidth { get; }

Property Value

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

Remarks

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.

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

ColumnDefinition Class

System.Windows.Controls Namespace

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