Width Property
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ColumnDefinition.Width Property


Gets the calculated width of a ColumnDefinitionelement, or sets the GridLength value of a column that is defined by the ColumnDefinition.

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

public GridLength Width { get; set; }

Property Value

Type: System.Windows.GridLength

The GridLength that represents the width of the Column. The default value is 1.0.

The default GridUnitType is Star.

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.

Identifier field


Metadata properties set to true


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