using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;namespace cswinForm12
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form { Form2 objForm = new Form2(); ////注意 private System.Windows.Forms.Button hide;
private System.Windows.Forms.Button close;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null; public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent(); //
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
} /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows Form Designer generated code
/// <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.hide = new System.Windows.Forms.Button();
this.close = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// hide
//
this.hide.Location = new System.Drawing.Point(24, 96);
this.hide.Name = "hide";
this.hide.Size = new System.Drawing.Size(72, 24);
this.hide.TabIndex = 0;
this.hide.Text = "Form2show";
this.hide.Click += new System.EventHandler(this.hide_Click);
//
// close
//
this.close.Location = new System.Drawing.Point(184, 96);
this.close.Name = "close";
this.close.Size = new System.Drawing.Size(72, 24);
this.close.TabIndex = 1;
this.close.Text = "Form2close";
this.close.Click += new System.EventHandler(this.close_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.close,
this.hide});
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false); }
#endregion /// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
} private void hide_Click(object sender, System.EventArgs e)
{
//Form2 objForm = new Form2(); 前面已经声明
objForm.Show();
} private void close_Click(object sender, System.EventArgs e)
{
objForm.Hide();
}
}
}
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;namespace cswinForm12
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form { Form2 objForm = new Form2(); ////注意 private System.Windows.Forms.Button hide;
private System.Windows.Forms.Button close;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null; public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent(); //
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
} /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows Form Designer generated code
/// <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.hide = new System.Windows.Forms.Button();
this.close = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// hide
//
this.hide.Location = new System.Drawing.Point(24, 96);
this.hide.Name = "hide";
this.hide.Size = new System.Drawing.Size(72, 24);
this.hide.TabIndex = 0;
this.hide.Text = "Form2show";
this.hide.Click += new System.EventHandler(this.hide_Click);
//
// close
//
this.close.Location = new System.Drawing.Point(184, 96);
this.close.Name = "close";
this.close.Size = new System.Drawing.Size(72, 24);
this.close.TabIndex = 1;
this.close.Text = "Form2close";
this.close.Click += new System.EventHandler(this.close_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.close,
this.hide});
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false); }
#endregion /// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
} private void hide_Click(object sender, System.EventArgs e)
{
//Form2 objForm = new Form2(); 前面已经声明
objForm.Show();
} private void close_Click(object sender, System.EventArgs e)
{
objForm.Hide();
}
}
}
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{Form2 f2 = new Form2();
...
}然后
分别在两个Button的Click事件中写
f2.Show()
f2.Hide()
无法隐藏Form2呢?
Form1 f1 =new Form1()
Form2 f2 =new Form2()