public class Father { public void show(string str) { MessageBox.Show(str); } } public class Child { public void show(string str) { MessageBox.Show("重载后的show方法",str); } }在窗体load事件里写 Child c=new Child(); c.show("楼主看对不对哦,呵呵");
我可以在MSN上给你一个。完全的开发事例,不过比较简单。
public class MyClass { private int no; // 成员 public int No // 属性 { get { return no;} set { no = value;} } private string name; // 成员 public string Name // 属性 { get { return name;} set { name = value;} } public static string Space(int i) // 静态方法,功能类似VB的Sapce函数 { string str = ""; if (i > 1) for (int j = 0; j < i; j ++) str += ' '; return str; } }// 调用// 调用类的静态方法时,不需要声明类的实例 MessageBox.Show("我爱" + MyClass.Space(20) + "你"); // 声明类MyClass的实例(对象)mc MyClass mc = new MyClass(); mc.No = 12345; // 给对象的属性赋值 mc.Name = "楼主,你好"; // 同上 MessageBox.Show(mc.No.ToString() + mc.Name);
多线程更新RichTextBox using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Threading;namespace FormTest { //定义代理 public delegate void RichtextboxAppendtextHandler(string Input); public class MainForm : System.Windows.Forms.Form { public System.Windows.Forms.RichTextBox richTextBox1; private System.Windows.Forms.Button button1; private System.ComponentModel.Container components = null; public MainForm() { InitializeComponent(); } /// <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.richTextBox1 = new System.Windows.Forms.RichTextBox(); this.button1 = new System.Windows.Forms.Button(); this.SuspendLayout(); // // richTextBox1 // this.richTextBox1.Location = new System.Drawing.Point(24, 44); this.richTextBox1.Name = "richTextBox1"; this.richTextBox1.Size = new System.Drawing.Size(408, 244); this.richTextBox1.TabIndex = 0; this.richTextBox1.Text = "richTextBox1"; // // button1 // this.button1.Location = new System.Drawing.Point(324, 12); this.button1.Name = "button1"; this.button1.TabIndex = 1; this.button1.Text = "button1"; this.button1.Click += new System.EventHandler(this.button1_Click); // // MainForm // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(496, 325); this.Controls.Add(this.button1); this.Controls.Add(this.richTextBox1); this.Name = "MainForm"; this.Text = "MainForm"; this.ResumeLayout(false); } #endregion /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() { Application.Run(new MainForm()); } private void button1_Click(object sender, System.EventArgs e) { this.richTextBox1.Clear(); for (int i=1;i<255;i++) { ThreadMethod method = new ThreadMethod(i.ToString(),this); Thread thScan = new Thread(new ThreadStart(method.ThreadRun)); thScan.Start(); } } public void UpdateRichTextBox(string appendValue) { this.richTextBox1.AppendText(appendValue); } } public class ThreadMethod { private string a = string.Empty ; private MainForm fm; public ThreadMethod(string APart,MainForm myfm) { this.a = APart; this.fm = myfm; } public void ThreadRun() { RichtextboxAppendtextHandler myHandler = new RichtextboxAppendtextHandler(this.fm.UpdateRichTextBox); for(int i=0;i<10000;i++) { int vv = i; } try {
class myclass
{
public string addString(string i,string j)
{
return i+j;
}
}
在窗体里应用:
private void button1_Click(object sender, System.EventArgs e)
{
myclass my = new myclass();
MessageBox.Show(my.addString("ok","除了ok不知道还有什么"));
}
{
public void show(string str)
{
MessageBox.Show(str);
}
}
public class Child
{
public void show(string str)
{
MessageBox.Show("重载后的show方法",str);
}
}在窗体load事件里写
Child c=new Child();
c.show("楼主看对不对哦,呵呵");
{
private int no; // 成员
public int No // 属性
{
get { return no;}
set { no = value;}
}
private string name; // 成员
public string Name // 属性
{
get { return name;}
set { name = value;}
}
public static string Space(int i) // 静态方法,功能类似VB的Sapce函数
{
string str = "";
if (i > 1)
for (int j = 0; j < i; j ++)
str += ' ';
return str;
}
}// 调用// 调用类的静态方法时,不需要声明类的实例
MessageBox.Show("我爱" + MyClass.Space(20) + "你");
// 声明类MyClass的实例(对象)mc
MyClass mc = new MyClass();
mc.No = 12345; // 给对象的属性赋值
mc.Name = "楼主,你好"; // 同上
MessageBox.Show(mc.No.ToString() + mc.Name);
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Threading;namespace FormTest
{
//定义代理
public delegate void RichtextboxAppendtextHandler(string Input); public class MainForm : System.Windows.Forms.Form
{
public System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.Button button1;
private System.ComponentModel.Container components = null; public MainForm()
{
InitializeComponent();
} /// <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.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// richTextBox1
//
this.richTextBox1.Location = new System.Drawing.Point(24, 44);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(408, 244);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = "richTextBox1";
//
// button1
//
this.button1.Location = new System.Drawing.Point(324, 12);
this.button1.Name = "button1";
this.button1.TabIndex = 1;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// MainForm
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(496, 325);
this.Controls.Add(this.button1);
this.Controls.Add(this.richTextBox1);
this.Name = "MainForm";
this.Text = "MainForm";
this.ResumeLayout(false); }
#endregion /// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new MainForm());
} private void button1_Click(object sender, System.EventArgs e)
{
this.richTextBox1.Clear();
for (int i=1;i<255;i++)
{
ThreadMethod method = new ThreadMethod(i.ToString(),this);
Thread thScan = new Thread(new ThreadStart(method.ThreadRun));
thScan.Start();
}
}
public void UpdateRichTextBox(string appendValue)
{
this.richTextBox1.AppendText(appendValue);
}
}
public class ThreadMethod
{
private string a = string.Empty ;
private MainForm fm;
public ThreadMethod(string APart,MainForm myfm)
{
this.a = APart;
this.fm = myfm;
}
public void ThreadRun()
{
RichtextboxAppendtextHandler myHandler = new RichtextboxAppendtextHandler(this.fm.UpdateRichTextBox);
for(int i=0;i<10000;i++)
{
int vv = i;
}
try
{
this.fm.richTextBox1.Invoke(myHandler,new object[]{a+"\r"});
}
catch(Exception error)
{
this.fm.richTextBox1.Invoke(myHandler,new object[]{a+":"+error.Message+"\r"});
}
}
}
}