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Border.CornerRadius Property

Gets or sets a value that represents the degree to which the corners of a Border are rounded.

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

public CornerRadius CornerRadius { get; set; }
<object>
  <object.CornerRadius>
    <CornerRadius .../>
  </object.CornerRadius>
</object>
<object CornerRadius="CornerRadius" .../>

Property Value

Type: System.Windows.CornerRadius
The CornerRadius that describes the degree to which corners are rounded. This property has no default value.

Although the property name suggests that you can use only singular values, CornerRadius also supports non-uniform radii. Radius values that are too large are scaled so that they blend smoothly from corner to corner.

The following example shows how to set the value of this property.


myBorder1 = new Border();
myBorder1.BorderBrush = Brushes.SlateBlue;
myBorder1.BorderThickness = new Thickness(5, 10, 15, 20);
myBorder1.Background = Brushes.AliceBlue;
myBorder1.Padding = new Thickness(5);
myBorder1.CornerRadius = new CornerRadius(15);



<Border BorderBrush="SlateBlue" BorderThickness="5,10,15,20" Background="AliceBlue" Padding="5" CornerRadius="15">


.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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