使用静态资源设置UI信息

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    
    <!--窗体风格设置-->
    <Style x:Key="UserWindow" TargetType="{x:Type Window}">
        <Setter Property="FontFamily" Value="微软雅黑"/>
        <Setter Property="FontSize" Value="30"/>
        <Setter Property="BorderBrush" Value="Blue"/>
        <Setter Property="FontWeight" Value="Black"/>
    </Style>
</ResourceDictionary>

<Application x:Class="OilSystem.App"
             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"
             StartupUri="View\Main\MainWindow.xaml"
             mc:Ignorable="d">

    <Application.Resources>
        <!--Global View Model Locator-->
        <!--<vm:ViewModelLocator x:Key="Locator"
                             d:IsDataSource="True" />-->
        <!--下面这行代码就是需要用到的资源字典-->
        <ResourceDictionary Source="Skins/WindowExpanderStyle.xaml"/>
    </Application.Resources>

</Application>

<Window x:Class="OilSystem.View.Main.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="301" Width="509" Style="{StaticResource UserWindow }">