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Control.BorderThickness Property

Gets or sets the border thickness of a control.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

[BindableAttribute(true)]
public Thickness BorderThickness { get; set; }
<object>
  <object.BorderThickness>
    <Thickness .../>
  </object.BorderThickness>
</object>
<object BorderThickness="Thickness" .../>

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.

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

<Button Name="btn9" BorderThickness="5.0" 
        Click="ChangeBorderThickness" TabIndex="2">
  BorderThickness
</Button>
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.";

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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