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lang: ja-jp
breaks: true
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# WPF `DataGrid` に `ModernWPF` を適用する 2022-08-30



## DataGridに右クリックメニューを付加



## csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>WinExe</OutputType>
    <TargetFramework>net7.0-windows</TargetFramework>
    <Nullable>disable</Nullable>
    <UseWPF>true</UseWPF>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="ModernWpfUI" Version="0.9.7-preview.2" />
  </ItemGroup>

</Project>

## App.xaml

<Application x:Class="WPF_ModernWPF_DataGrid.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:WPF_ModernWPF_DataGrid"
             StartupUri="MainWindow.xaml"
             
             xmlns:ui="http://schemas.modernwpf.com/2019"
             >
    <Application.Resources>

        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <!--
                <ui:ThemeResources RequestedTheme="Light" />
                <ui:ThemeResources RequestedTheme="Dark" />
                -->
                <ui:ThemeResources />

                <ui:XamlControlsResources />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>

    </Application.Resources>
</Application>

## MainWindow.xaml

<Window x:Class="WPF_ModernWPF_DataGrid.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:local="clr-namespace:WPF_ModernWPF_DataGrid"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800"
        
        xmlns:ui="http://schemas.modernwpf.com/2019"
        ui:WindowHelper.UseModernWindowStyle="True"
        >

    <Window.DataContext>
        <viewModels:PostalCodeViewModel />
    </Window.DataContext>

    <Grid>
        <DataGrid
            ItemsSource="{Binding PostalCode_IEnumerable_PostalCodeRow, IsAsync=True}" 
            
            AutoGenerateColumns="True"
            AutoGeneratingColumn="DataGrid_AutoGeneratingColumn"
                
            VirtualizingStackPanel.IsVirtualizing="True"
            VirtualizingStackPanel.VirtualizationMode="Standard" 
            
            EnableColumnVirtualization="True"
            EnableRowVirtualization="True"
            
            CanUserAddRows="False"
            CanUserDeleteRows="False"
            
            CanUserReorderColumns="True"
            CanUserResizeRows="True"
            CanUserSortColumns="True"
            
            SelectionMode="Extended"
            SelectionUnit="FullRow"
            
            ScrollViewer.PanningMode="VerticalOnly"
            ScrollViewer.IsDeferredScrollingEnabled="True"
            ScrollViewer.VerticalScrollBarVisibility="Visible"
            ScrollViewer.HorizontalScrollBarVisibility="Visible"
            >
            <DataGrid.ContextMenu>
                <ContextMenu>
                    <MenuItem Name="contextmenu" Header="詳細を表示" />
                </ContextMenu>
            </DataGrid.ContextMenu> 
        </DataGrid>
    </Grid>
</Window>

###### tags: `WPF` `DataGrid` `ModernWPF`