Hi 轮回的齿轮,
两种方法可以试一下:
1.在Window标签内设置AllowsTransparency 和Background:
<Window x:Class="ChangeTheOpacity.MainWindow"
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"
xmlns:local="clr-namespace:ChangeTheOpacity"
mc:Ignorable="d"
Title="MainWindow" Height="350" Width="525"
WindowStyle="None" AllowsTransparency="True" Background="#00000000">
</Window>
2.使用SolidColorBrush,可以参考这个帖子:
https://social.msdn.microsoft.com/Forums/zh-CN/37ab669f-e913-4921-917e-7c52a1bd18ef/wpf-?forum=wpfzhchs
Best Regards,
Yohann Lu
MSDN Community Support
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