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Brush.Opacity Property

Gets or sets the degree of opacity of a Brush.

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

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

Property Value

Type: System.Double
The value of the Opacity property is expressed as a value between 0.0 and 1.0. The default value is 1.0.

Identifier field

OpacityProperty

Metadata properties set to true

None

A Opacity value of 0 indicates that the brush is completely transparent, while a value of 1 indicates that the brush is completely opaque. A value of 0.5 indicates the brush is 50% opaque, a value of 0.725 indicates the brush is 72.5% opaque, and so on. Values less than 0 are treated as 0, while values greater than 1 are treated as 1.

.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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