学步园

C# winform 动态添加控件 以及 事件
以下代码将在加载窗体时动态生成若干按钮，并排列显示在winform上

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        int i = 0;
        Point p;
        ToolTip tt = null;
        public Form1()
        {
            InitializeComponent();
            p = new Point(0, 50);
            tt = new ToolTip();
        }
        public void ClickHandler(Object sender, System.EventArgs e)
        {
            MessageBox.Show("您已单击按钮: " + ((Button)sender).Text, "小花朵");
        }
        public void MouseEnterHandler(Object sender, System.EventArgs e)
        {
            string s = ((Button)sender).Text;
            tt.ToolTipTitle = "小花朵";
            tt.Show("鼠标进入按钮:" + s, (Button)sender);
        }
        public void MouseHoverHandler(Object sender, System.EventArgs e)
        {
            //MessageBox.Show("mouse hover : " + (Button)sender).Text);
            //tt.Hide((Button)sender);
        }

        private void Form6_Load(object sender, EventArgs e)
        {
            for (i = 0; i < 20; i++)
            {
                Button b = new Button();
                b.Text = "" + i;
                b.SetBounds(p.X, p.Y, 50, 50);
                b.Click += new System.EventHandler(ClickHandler);
                b.MouseEnter += new System.EventHandler(MouseEnterHandler);
                b.MouseHover += new System.EventHandler(MouseHoverHandler);
                this.Controls.Add(b);
                p.X += 50;
                if (p.X >= this.Width - 50)
                {
                    p.X = 0;
                    p.Y += 60;
                }
            }
        }
    }
}