如何实现多个窗口之间的切换

Question

在.net中可不可以在一个工程中建立多个窗口，然后通过点击其中一个窗口中的按钮，切换到另外的一个窗口中？请大家指教，谢谢！

Answer 1

this.Hide();
(new Form2()).Show();

Answer 2

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;namespace Test
{
    class RunMain:Form
    {
        Form1 fr1;
        Form2 fr2;
        static void Main()
        {
            Application.Run(new RunMain());
        }        RunMain()
        {
            fr1 = new Form1();
            fr2 = new Form2();
            fr1.ChangeForm += new EventHandler(fr1_ChangeForm);
            fr2.ChangeForm += new EventHandler(fr2_ChangeForm);
            fr1.Show();
            this.Visible = false;
        }
        void fr2_ChangeForm(object sender, EventArgs e)
        {
            fr2.Visible = false;
            fr1.Show();        }        void fr1_ChangeForm(object sender, EventArgs e)
        {
            fr1.Visible = false;
            fr2.Show();
        }
    }
    public partial class Form1 : Form
    {
        public event EventHandler ChangeForm;
        public Form1()
        {
            InitializeComponent();
        }        private void button1_Click(object sender, EventArgs e)
        {
            if (ChangeForm != null)
                this.ChangeForm(sender, e);
        }
    }
    partial class Form1
    {
        private System.ComponentModel.IContainer components = null;
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }        #region Windows 窗体设计器生成的代码
        private void InitializeComponent()
        {
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(28, 42);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 0;
            this.button1.Text = "button1";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(295, 155);
            this.Controls.Add(this.button1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);        }        #endregion        private System.Windows.Forms.Button button1;
    }
    public partial class Form2 : Form
    {
        public event EventHandler ChangeForm;
        public Form2()
        {
            InitializeComponent();
        }        private void button2_Click(object sender, EventArgs e)
        {
            if (this.ChangeForm != null)
            {
                this.ChangeForm(sender, e);
            }
        }
    }
    partial class Form2
    {
        private System.ComponentModel.IContainer components = null;        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }        #region Windows 窗体设计器生成的代码        /// <summary>
        /// 设计器支持所需的方法 - 不要
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.button2 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // button2
            // 
            this.button2.Location = new System.Drawing.Point(35, 28);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(75, 23);
            this.button2.TabIndex = 0;
            this.button2.Text = "button2";
            this.button2.UseVisualStyleBackColor = true;
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // Form2
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(311, 180);
            this.Controls.Add(this.button2);
            this.Name = "Form2";
            this.Text = "Form2";
            this.ResumeLayout(false);        }        #endregion        private System.Windows.Forms.Button button2;
    }
}