PDFOffice_Windows_exe/PDF Office/Views/HomeContent.xaml

<UserControl x:Class="PDF_Office.Views.HomeContent"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:prism ="http://prismlibrary.com/"
             xmlns:viewmodels="clr-namespace:PDF_Office.ViewModels" 
             prism:ViewModelLocator.AutoWireViewModel="True"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="270"/>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <!--左侧菜单栏-->
        <StackPanel>
            <Button Name="BtnOpenPDF" Content="OPEN PDF" Margin="41 54 41 0" Height="48" Command="{Binding OpenFileCommand}"/>
            <Button Name="BtnCreatPDF" Content="" Margin="41 8 41 0" Height="48"/>
        </StackPanel>
        <!--右侧内容区域-->
        <ContentControl Grid.Column="1" prism:RegionManager.RegionName="ToolContent"/>
    </Grid>
</UserControl>