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<UserControl x:Class="SLDome.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="400"> <Grid x:Name="LayoutRoot" Background="White"> <Button Name="btn" Width="300" Height="300" > <Image Name="img" Width="200" Height="200" Source="img/1.jpg" > <Image.OpacityMask > <LinearGradientBrush StartPoint="0,1" EndPoint="1,0"> <GradientStop Color="Blue" Offset="0" ></GradientStop> <GradientStop Color="Transparent" Offset="1" ></GradientStop> </LinearGradientBrush> </Image.OpacityMask> </Image> </Button> </Grid> </UserControl>
原文链接：
转载于:https://my.oschina.net/changpinghu/blog/92568
