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C# WinForm如何在選項卡中整合載入多個窗體

專案檔案組織:

主程式介面:

將tabControl1中的兩個選項頁的tag分別寫上form2和form3的類名稱。

被包含窗體Form2:

被包含窗體Form3:

執行結果:from2和form3兩個窗體都整合到form1中的選項卡中顯示:

Form1實現程式碼:

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};        

//用來記錄from是否開啟過

        public Form1()

        {

            InitializeComponent();

        }

        private

void Form1_Load(object sender, EventArgs e)

        {

            //初始開啟時就載入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>

        /// 通用按鈕點選選項卡 在選項卡上顯示對應的窗體

        /// </summary>

        private void btnX_Click(object sender, EventArgs e)

        {

            string path = AssemblyName;//專案的Assembly選項名

            string formClass = "Form3";
            GenerateForm(path +"."+formClass, sender);

        }

      //在選項卡中生成窗體

        public void GenerateForm(string form, object sender)

        {

            string path = AssemblyName;//專案的Assembly選項名稱
            // 反射生成窗體
            Form fm = (Form)Assembly.Load(path).CreateInstance(form);

            //設定窗體沒有邊框 加入到選項卡中

            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;

        }

    }

}