添加项目文件。

SamplePreSystemApp/App.xaml

@@ -0,0 +1,46 @@
+<Application
+    x:Class="SamplePreSystemApp.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="clr-namespace:SamplePreSystemApp"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+    StartupUri="AppMainView.xaml">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+
+
+                <materialDesign:BundledTheme
+                    BaseTheme="Light"
+                    PrimaryColor="Blue"
+                    SecondaryColor="Lime" />
+                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesign3.Defaults.xaml" />
+
+
+                <ResourceDictionary Source="pack://application:,,,/SamplePreSystem.UI;component/Styles/BaseButtonStyle.xaml" />
+                <!--<ResourceDictionary Source="/Styles/BaseDataGrid.xaml" />-->
+                <ResourceDictionary Source="pack://application:,,,/SamplePreSystem.UI;component/Styles/BaseDataGrid.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/SamplePreSystem.UI;component/Styles/BaseWindowStyle.xaml" />
+
+
+
+
+                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Window.xaml" />
+
+
+
+            </ResourceDictionary.MergedDictionaries>
+
+
+
+            <!--  ✅ 全局设置：表格表头样式  -->
+            <Style TargetType="DataGridColumnHeader">
+                <Setter Property="Background" Value="#F5F5F5" />
+                <Setter Property="Foreground" Value="#333333" />
+                <Setter Property="Height" Value="32" />
+                <Setter Property="HorizontalContentAlignment" Value="Center" />
+            </Style>
+
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>