<Window x:Class="WpfTest.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:WpfTest"

        mc:Ignorable="d"

        Title="MainWindow" Height="" Width="">

    <Grid>

        <Button x:Name="button" Content="Button" HorizontalAlignment="Left" Margin="190,140,0,0" VerticalAlignment="Top" Width="" Height=""

                Command="{Binding ButtonCom}" CommandParameter="测试数据绑定"/>

    </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 WpfTest

{

    /// <summary>

    /// MainWindow.xaml 的交互逻辑

    /// </summary>

    public partial class MainWindow : Window

    {

        public MainWindow()

        {

            InitializeComponent();

            this.DataContext = this;

        }

        private ICommand _buttonCom = new ButtonCommand();

        public ICommand ButtonCom

        {

            get

            {

                return _buttonCom;

            }

            set

            {

                _buttonCom = value;

            }

        }

    }

    public class ButtonCommand : ICommand

    {

        public event EventHandler CanExecuteChanged;

        public bool CanExecute(object parameter)

        {

            return true;

        }

        public void Execute(object parameter)

        {

            MessageBox.Show(parameter.ToString());

        }

    }

}