开始有个需求是自定义任务栏，但是在使用【Application.Current.MainWindow.WindowState = WindowState.Maximized;】做到最大化得时候使用 发现窗口最大化了会遮挡任务栏， 网上搜索了一下，原来指定窗口得最大长款就行了

 

<Window x:Class="EvalutionScaner.App.Views.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:prism="http://prismlibrary.com/"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:model="clr-namespace:EvalutionScaner.App.Models"
        xmlns:consts="clr-namespace:EvalutionScaner.App.Models.Consts"
        xmlns:i ="http://schemas.microsoft.com/xaml/behaviors"
        mc:Ignorable="d"
        Title="MainWindow"
        TextElement.Foreground="{DynamicResource MaterialDesignBody}"
        Background="{DynamicResource MaterialDesignPaper}"
        prism:ViewModelLocator.AutoWireViewModel="True"
        x:Name="mainWindow"
        WindowStyle="None" 
        MaxHeight="{StaticResource {x:Static SystemParameters.MaximizedPrimaryScreenHeightKey}}"
        MaxWidth="{StaticResource {x:Static SystemParameters.MaximizedPrimaryScreenWidthKey}}"
    xmlns:wpf="clr-namespace:MaterialDesignThemes.Wpf;assembly=MaterialDesignThemes.Wpf"
    xmlns:converters="clr-namespace:MaterialDesignThemes.Wpf.Converters;assembly=MaterialDesignThemes.Wpf">
.....界面代码......
<Window>

　　红色为对应得设置属性，思路就是把窗口得最大宽度和最大高度分别绑定屏幕得长宽