C#中splitContainer用法

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一、运行效果
点击窗口1按钮

点击窗口2按钮

点击窗口3按钮

二、窗体编辑

三、代码编辑

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 lianxi20200304
{ 
   
    public partial class Form1 : Form
    { 
   
        public Form1()
        { 
   
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        { 
   
            this.IsMdiContainer = true; //设置窗体为父窗体
        }

        Form2 form2 = new Form2();
        Form3 form3 = new Form3();
        Form4 form4 = new Form4();

        //窗口1显示
        private void button1_Click(object sender, EventArgs e)
        { 
   
            form2.MdiParent = this;
            form2.Parent = splitContainer1.Panel2; //form2的parent是panel2
            form2.Show();
            form3.Hide();
            form4.Hide();
        }

        //窗口2显示
        private void button2_Click(object sender, EventArgs e)
        { 
   
            form3.MdiParent = this;
            form3.Parent = splitContainer1.Panel2;
            form3.Show();
            form2.Hide();
            form4.Hide();
        }

        //窗口3显示
        private void button3_Click(object sender, EventArgs e)
        { 
   
            form4.MdiParent = this;
            form4.Parent = splitContainer1.Panel2;
            form4.Show();
            form2.Hide();
            form3.Hide();
        }

        //水平排列
        private void button4_Click(object sender, EventArgs e)
        { 
   
            LayoutMdi(MdiLayout.TileHorizontal);
        }

        



    }
}