TextBoxBase.SelectionOpacity Property

Reference

Definition

Namespace:: System.Windows.Controls.Primitives

Assembly:: PresentationFramework.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets the opacity of the SelectionBrush.

public:
 property double SelectionOpacity { double get(); void set(double value); };

public double SelectionOpacity { get; set; }

member this.SelectionOpacity : double with get, set

Public Property SelectionOpacity As Double

Property Value

Double

The opacity of the SelectionBrush. The default is 0.4.

Examples

The following example creates a TextBox and adds the text, "This is some text." The example sets the SelectionBrush property to red and the SelectionOpacity property to 0.5 to customize the appearance of selected text.

XAML

<TextBox SelectionBrush="Red" SelectionOpacity="0.5"
         Foreground="Blue" CaretBrush="Blue">  
  This is some text.
</TextBox>

The following illustration shows the TextBox from the preceding example with its text selected.

TextBox with a red SelectionBrush Selected text in a TextBox with SelectionOpacity set to 0.5

Remarks

If SelectionOpacity is set to 0, the SelectionBrush is transparent and is not visible. If SelectionOpacity is set to 1.0 or greater, the SelectionBrush is opaque and the selected text is not visible.

Applies to

Продукт	Версии
.NET Framework	4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

Споделяне чрез