用过iOS支付宝的同学都应该知道,在切换App的时候界面是模糊的,为了防止自己的隐私数据被泄露,本文就是告诉大家如何在UWP应用中实现这个效果么。
新建一个页面,在.xaml里加入下列代码
<StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
<Button x:Name="CaptureButton" Content="Enable Capture" Click="CaptureButton_Click" />
<TextBlock Name="status" Margin="0,20,0,0"></TextBlock>
</StackPanel>
在.cs里面加入下面Click事件代码
private void CaptureButton_Click(object sender, RoutedEventArgs e) {
if (captureButton.Content.ToString() == "Enable Capture")
{
captureButton.Content = "Disable Capture";
status.Text = "Screen Capturing is enabled";
Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().IsScreenCaptureEnabled = true;
}
else
{
captureButton.Content = "Enable Capture";
status.Text = "Screen Capturing is disabled";
Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().IsScreenCaptureEnabled = false;
}
}
该应用默认是开启截图功能的,截图如下所示
如果你关闭了截图功能,当你使用截图软件的时候,你会发现截取的是一个黑色的屏幕界面。