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Control.BorderThickness Property

Gets or sets the border thickness of a control. This is a dependency property.

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

'Declaration
<BindableAttribute(True)> _
Public Property BorderThickness As Thickness
'Usage
Dim instance As Control 
Dim value As Thickness 

value = instance.BorderThickness

instance.BorderThickness = value
<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>
Private Sub ChangeBorderThickness(ByVal Sender As Object, ByVal e As RoutedEventArgs)

    If (btn9.BorderThickness.Left = 5.0) Then
        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" 
    End If 

End Sub

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0

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