Microsoft.Xaml.Behaviors.Wpf 的使用

System.Windows.Interactivity.WPF这个已经过时，可以使用 Microsoft.Xaml.Behaviors.Wpf ，基本使用查不多，

<Window x:Class="TestLoad.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:TestLoad"
        xmlns:behaviour="http://schemas.microsoft.com/xaml/behaviors"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800" >
   
    <behaviour:Interaction.Triggers>
        <behaviour:EventTrigger EventName="Loaded">
            <behaviour:InvokeCommandAction Command="{Binding TestCommand}"/>
            <behaviour:CallMethodAction MethodName="TestMethod"/>
        </behaviour:EventTrigger>
    </behaviour:Interaction.Triggers>
  
    <Grid>

    </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 TestLoad
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            this.DataContext = this;
        }

        public DelegateCommand TestCommand
        {
            get
            {
                var cmd = new DelegateCommand();
                cmd.DoExecute = (obj) =>
                {

                };
                return cmd;
            }
        }

        public void TestMethod()
        {

        }
    }
}

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

namespace TestLoad
{
    public class DelegateCommand : ICommand
    {
        public event EventHandler? CanExecuteChanged;

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

        public void Execute(object? parameter)
        {
           DoExecute?.Invoke(parameter);
        }

        public Action<object?> DoExecute;
    }
}