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Control.BorderThickness Property


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Gets or sets the border thickness of a control.

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

public Thickness BorderThickness { get; set; }

Property Value

Type: System.Windows.Thickness

A thickness value; the default is a thickness of 0 on all four sides.

This property only affects a control whose template uses the BorderThickness property as a parameter. On other controls, this property has no impact.

Identifier field


Metadata properties set to true

AffectsMeasure, AffectsRender

The following example shows how to set the border thickness property of a control.

<Button Name="btn9" BorderThickness="5.0" 
        Click="ChangeBorderThickness" TabIndex="2">
void ChangeBorderThickness(object sender, RoutedEventArgs e)
    if (btn9.BorderThickness.Left == 5.0)
        btn9.BorderThickness = new Thickness(2.0);
        btn9.Content = "Control BorderThickness changes from 5 to 2.";

        btn9.BorderThickness = new Thickness(5.0);
        btn9.Content = "BorderThickness";

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