WinForm在窗体中嵌入窗体

$$WinForm在窗体中嵌入窗体$$

Form1.cs

SubForm

代码

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

namespace 窗体嵌入
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 窗体嵌入通用方法
        /// </summary>
        /// <param name="subForm"></param>
        private void OpenForm(Form subForm)
        {
            foreach (Control item in this.panel1.Controls)
            {
                if (item is Form)
                {
                    ((Form)item).Close();
                }
            }
            subForm.TopLevel = false;// 将子窗体设置为非顶级控件
            subForm.FormBorderStyle = FormBorderStyle.None;//设置无边框
            subForm.Parent = this.panel1;//设置窗体容器
            subForm.Dock = DockStyle.Fill; //容器大小随着调整窗体大小自动变化
            subForm.Show();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            OpenForm(new SubForm());
        }

        private void button2_Click(object sender, EventArgs e)
        {
            OpenForm(new SubForm2());
        }

        private void button3_Click(object sender, EventArgs e)
        {
            OpenForm(new SubForm3());
        }
    }
}

效果图