缺了什么?
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace MDIcase1
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.MenuItem menuItem1;
private System.Windows.Forms.MenuItem menuItem2;
private System.Windows.Forms.MenuItem menuItem3;
private System.Windows.Forms.MenuItem menuItem4;
private System.Windows.Forms.MenuItem menuItem5;
private System.Windows.Forms.MenuItem menuItem6;
private System.Windows.Forms.MenuItem menuItem7;
private System.Windows.Forms.MenuItem menuItem8;
private System.Windows.Forms.MenuItem menuItem9;
private System.Windows.Forms.MenuItem menuItem10;
/// <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 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.mainMenu1 = new System.Windows.Forms.MainMenu();
this.menuItem1 = new System.Windows.Forms.MenuItem();
this.menuItem2 = new System.Windows.Forms.MenuItem();
this.menuItem3 = new System.Windows.Forms.MenuItem();
this.menuItem4 = new System.Windows.Forms.MenuItem();
this.menuItem5 = new System.Windows.Forms.MenuItem();
this.menuItem6 = new System.Windows.Forms.MenuItem();
this.menuItem7 = new System.Windows.Forms.MenuItem();
this.menuItem8 = new System.Windows.Forms.MenuItem();
this.menuItem9 = new System.Windows.Forms.MenuItem();
this.menuItem10 = new System.Windows.Forms.MenuItem();
//
// mainMenu1
//
this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem1,
this.menuItem7});
//
// menuItem1
//
this.menuItem1.Index = 0;
this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem2,
this.menuItem3});
this.menuItem1.Text = "File";
//
// menuItem2
//
this.menuItem2.Index = 0;
this.menuItem2.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem4,
this.menuItem5,
this.menuItem6});
this.menuItem2.Text = "New";
//
// menuItem3
//
this.menuItem3.Index = 1;
this.menuItem3.Text = "Exit";
this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
//
// menuItem4
//
this.menuItem4.Index = 0;
this.menuItem4.Text = "Child1";
this.menuItem4.Click += new System.EventHandler(this.menuItem4_Click);
//
// menuItem5
//
this.menuItem5.Index = 1;
this.menuItem5.Text = "Child2";
this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click);
//
// menuItem6
//
this.menuItem6.Index = 2;
this.menuItem6.Text = "Child3";
this.menuItem6.Click += new System.EventHandler(this.menuItem6_Click);
//
// menuItem7
//
this.menuItem7.Index = 1;
this.menuItem7.MdiList = true;
this.menuItem7.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem8,
this.menuItem9,
this.menuItem10});
this.menuItem7.Text = "Format";
//
// menuItem8
//
this.menuItem8.Index = 0;
this.menuItem8.Text = "Cascade";
this.menuItem8.Click += new System.EventHandler(this.menuItem8_Click);
//
// menuItem9
//
this.menuItem9.Index = 1;
this.menuItem9.Text = "Tile Horizontal";
this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
//
// menuItem10
//
this.menuItem10.Index = 2;
this.menuItem10.Text = "Tile Vertical";
this.menuItem10.Click += new System.EventHandler(this.menuItem10_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 266);
this.IsMdiContainer = true;
this.Menu = this.mainMenu1;
this.Name = "Form1";
this.Text = "Form1";
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void menuItem4_Click(object sender, System.EventArgs e)
{
Child FormChild=new Child("child1","\\images\\csharphtp1.jpg");
formChild.Mdiparent=this;
formChild.Show();
}
private void menuItem5_Click(object sender, System.EventArgs e)
{
Child FormChild=new Child("child1","\\images\\csharphtp2.jpg");
formChild.Mdiparent=this;
formChild.Show();
}
private void menuItem6_Click(object sender, System.EventArgs e)
{
Child FormChild=new Child("child1","\\images\\csharphtp3.jpg");
formChild.Mdiparent=this;
formChild.Show();
}
private void menuItem3_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
private void menuItem8_Click(object sender, System.EventArgs e)
{
this.LayoutMdi(MdiLayout.Cascade);
}
private void menuItem9_Click(object sender, System.EventArgs e)
{
this.LayoutMdi(MdiLayout.TileHorizontal);
}
private void menuItem10_Click(object sender, System.EventArgs e)
{
this.LayoutMdi(MdiLayout.TileVertical);
}
}
}
编译出错:
D:\myprogram\MDIcase1\Form1.cs(175): 找不到类型或命名空间名称“Child”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(176): 找不到类型或命名空间名称“formChild”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(177): 找不到类型或命名空间名称“formChild”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(182): 找不到类型或命名空间名称“Child”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(183): 找不到类型或命名空间名称“formChild”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(184): 找不到类型或命名空间名称“formChild”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(189): 找不到类型或命名空间名称“Child”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(190): 找不到类型或命名空间名称“formChild”(是否缺少 using 指令或程序集引用?)
D:\myprogram\MDIcase1\Form1.cs(191): 找不到类型或命名空间名称“formChild”(是否缺少 using 指令或程序集引用?)
请问是什么原因