DropShadowEffect.BlurRadius Property

Gets or sets how defined the edges of the shadow are (how blurry the shadow is).

Namespace:  System.Windows.Media.Effects
Assembly:  System.Windows (in System.Windows.dll)


Public Property BlurRadius As Double
public double BlurRadius { get; set; }
<DropShadowEffect BlurRadius="double"/>

Property Value

Type: System.Double
How blurry the shadow is. The default is 5.


Dependency property identifier field: BlurRadiusProperty

The following illustration demonstrates the effect of this property.

DropShadow with small BlurRadius value.Shows a lot of blur applied to button.

Version Information


Supported in: 5, 4, 3


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.