OpacityMask property WPF in VB.NET

Posted in VB.NET | XAML IN VB.NET November 06, 2019
Tags: vb.net, OpacityMask property WPF, OpacityMark property in XAML, xaml opacitymask property
This article defines the OpacityMask and opacity property in XAML.
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This article defines the OpacityMask and opacity property in XAML.

OpacityMask property

In WPF the most of controls expose a property called OpacityMask which allows to create transparency areas along the object itself and diffuse those areas in different manners.

For example

Now creating a image control and set the source property of the control.

XAML code

<Image Height="150" HorizontalAlignment="Right" Margin="0,37,247,0" Name="Image1" Stretch="Fill" VerticalAlignment="Top" Width="200" Source="/WpfApplication75;component/Images/image1.jpg.gif" />

Now run the application.

o1.gif

Figure1.gif

Now using OpacityMask property for transparency.

XAML code

Window x:Class="MainWindow"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Title="MainWindow" Height="350" Width="525">

    <Grid>

        <Image Height="150" HorizontalAlignment="Right" Margin="0,37,247,0" Name="Image1" Stretch="Fill" VerticalAlignment="Top" Width="200" Source="/WpfApplication75;component/Images/image1.jpg.gif" OpacityMask="#710095AA"/>

    </Grid>

</Window>

Now run the application and test it.

o2.gif

Figure2.gif

Opacity property

Now creating a Ellipse and set the fill property to fill the ellipse.

XAML code

<Ellipse Height="100" HorizontalAlignment="Left" Margin="137,88,0,0" Name="Ellipse1" Stroke="Black" VerticalAlignment="Top" Width="200" Fill="DarkRed" />

Now run the application.

o3.gif

Figure3.gif

Now using Opacity property.

XAML code

<Ellipse Height="100" HorizontalAlignment="Left" Margin="137,88,0,0" Name="Ellipse1" Stroke="Black" VerticalAlignment="Top" Width="200" Fill="DarkRed" Opacity="0.5"/>

 

Now run the application and test it.


o4.gif

 

Figure4.gif

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