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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)

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.

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.

.NET Framework
Available since 3.0
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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