C#学习-delegate

原创已于 2024-12-06 01:31:00 修改 · 173 阅读

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#c# #学习 #开发语言

于 2024-12-06 01:29:27 首次发布

以下代码

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 WpfApp1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            //        this.myButton.Click += MyButton_Click;      //方法1     双tab键自动生成 Click方法
            this.myButton.Click += delegate (object sender, RoutedEventArgs e)  //方法2
            {
                this.myTextBox.Text = "hello delegate world";
            };      //采用delegate 关键词，后面的 } 需要 分号 ;
            this.myButton2.Click += (sender, e) =>      //方法3
            {
                this.myTextBox2.Text = "愁啥嫩";
            };
        }
        private void MyButton_Click(object sender, RoutedEventArgs e)
        {
            this.myTextBox.Text = "hello world";
        }
    }
}