Windows Phone 邊框效果

  <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
            <Grid.RowDefinitions>
                <RowDefinition Height="*"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>
            
            <Border Grid.Row="0" BorderThickness="30,32,30,32" CornerRadius="15" Margin="8">
                <Border.BorderBrush>
                    <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                        <GradientStop Color="Lavender" Offset="0"/>
                        <GradientStop Color="Yellow" Offset="0.5"/>
                        <GradientStop Color="Blue" Offset="1"/>
                    </LinearGradientBrush>
                </Border.BorderBrush>
            </Border>
            
            <Border Grid.Row="1" BorderThickness="25" BorderBrush="Blue" Margin="10">
                <Border.Background>
                    <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                        <GradientStop Color="LightSalmon" Offset="0.2"/>
                        <GradientStop Color="Thistle" Offset="0.5"/>
                        <GradientStop Color="LightSalmon" Offset="0.8"/>
                    </LinearGradientBrush>
                </Border.Background>
                <Button Content="這裏是一個按鈕" Margin="50" Foreground="Black" FontSize="35"/>
            </Border>
        </Grid>

可以通過設置相應的畫刷來設置相應的效果。