MCI18n/App.xaml

<Application
    x:Class="MCI18n.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:MCI18n"
    StartupUri="MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <!--  引入自定义按钮样式  -->
                <ResourceDictionary Source="Theme/MCButtonStyle.xaml" />
                <ResourceDictionary Source="Theme/MCTabTheme.xaml" />
                <ResourceDictionary Source="Theme/MCListViewStyle.xaml" />
            </ResourceDictionary.MergedDictionaries>
            <local:NullToVisibilityConverter x:Key="NullToVisibilityConverter" />
        </ResourceDictionary>
    </Application.Resources>
</Application>