C#开发 WinForm如何在选项卡中集成加载多个窗体 实现窗体复用详解（图）

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Reflection;

using System.Text;

using System.Windows.Forms;

namespace tabWindowTest

{

    public partial class Form1 : Form

    {

        public int[] s = {0, 0};         //用来记录from是否打开过

        public Form1()

        {

            InitializeComponent();

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            //初始打开时就加载Form2

            string formClass = "tabWindowTest.Form2";

            GenerateForm(formClass, tabControl1);

        }

        private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)

        {

            if(s[tabControl1.SelectedIndex]==0)    //只生成一次

            {

                btnX_Click(sender, e);

            }

        }

        /// <summary>

        /// 通用按钮点击选项卡 在选项卡上显示对应的窗体

        /// </summary>

        private void btnX_Click(object sender, EventArgs e)

        {

            string formClass = ((TabControl)sender).SelectedTab.Tag.ToString();

            //string form = tabControl1.SelectedTab.Tag.ToString();

            GenerateForm(formClass, sender);

        }

        //在选项卡中生成窗体

        public void GenerateForm(string form, object sender)

        {

            // 反射生成窗体

            Form fm = (Form)Assembly.GetExecutingAssembly().CreateInstance(form);

            //设置窗体没有边框 加入到选项卡中

              fm.FormBorderStyle = FormBorderStyle.None;

            fm.TopLevel = false;

            fm.Parent = ((TabControl)sender).SelectedTab;

            fm.ControlBox = false;

            fm.Dock = DockStyle.Fill;

            fm.Show();

            s[((TabControl)sender).SelectedIndex] = 1;

        }

    }

}