wpf 控件绑定鼠标命令、键盘命令

<Window x:Class="CommandDemo.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:CommandDemo"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <StackPanel Margin="10">
            <TextBox Text="{Binding Name,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Height="40" />
            <TextBlock Text="键盘tab，可以让Border获得焦点" />
            <Border Width="100" Height="100" Background="Red" Focusable="True">
                <Border.InputBindings>
                    <!--绑定鼠标左键双击-->
                    <MouseBinding MouseAction="LeftDoubleClick" Command="{Binding DoubleClickCommand}" CommandParameter="{Binding}" />
                    
                    <!--绑定获取键盘焦点时，按下键盘组合键Ctrl+Enter时触发-->
                    <KeyBinding Key="Enter" Modifiers="Control" Command="{Binding KeyCommand}" CommandParameter="{Binding}" />
                </Border.InputBindings>
            </Border>
        </StackPanel>
    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace CommandDemo
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            DataContext = new MainViewModel();
        }
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;

namespace CommandDemo
{
    class MainViewModel : INotifyPropertyChanged
    {
        private string name;
        public event PropertyChangedEventHandler PropertyChanged;

        public MainViewModel()
        {
            DoubleClickCommand = new DoubleClickCommand();
            KeyCommand = new KeyCommand();
        }

        public string Name
        {
            get => name;
            set
            {
                name = value;
                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Name)));
            }
        }

        public ICommand DoubleClickCommand { get; private set; }
        public ICommand KeyCommand { get; private set; }
    }

    class DoubleClickCommand : ICommand
    {
        public event EventHandler CanExecuteChanged;

        public bool CanExecute(object parameter)
        {
            return true;
        }

        public void Execute(object parameter)
        {
            if (parameter is MainViewModel vm)
            {
                MessageBox.Show(vm.Name);
            }
            MessageBox.Show("DoubleClick");
        }
    }
    class KeyCommand : ICommand
    {
        public event EventHandler CanExecuteChanged;

        public bool CanExecute(object parameter)
        {
            return true;
        }

        public void Execute(object parameter)
        {
            if (parameter is MainViewModel vm)
            {
                MessageBox.Show(vm.Name);
            }
            MessageBox.Show("Key");
        }
    }
}