WPF去除窗体边框及白色边框

<Window x:Class="WpfAppFirst.Evaluation"
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:WpfAppFirst"
mc:Ignorable="d"
Title="Evaluation" Height="566" Width="980" WindowStyle="None" Icon="EImg/LOGO.png" WindowChrome.WindowChrome="{DynamicResource WindowChromeKey}">
　　<!--WindowStyle="None":去除窗体边框-->
<Window.Resources>
<WindowChrome x:Key="WindowChromeKey">
<WindowChrome.ResizeBorderThickness>
<Thickness>0</Thickness>
</WindowChrome.ResizeBorderThickness>
</WindowChrome>
</Window.Resources>