TextBox1.TextChanged += new EventHandler(TextBox1_TextChanged)

wranglergu 2011-12-12 02:53:53

c#可以 TextBox1.TextChanged += new EventHandler(TextBox1_TextChanged)，这样，给TextBox1.TextChanged事件绑定处理函数。在vb要怎么实现啊。

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切换为时间正序

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wranglergu 2011-12-12

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各位，帮帮忙吧。网上资料实在实在有限啊。

wranglergu 2011-12-12

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[Quote=引用 4 楼 jinhetian 的回复:]

2楼正解，动态控件也一样可以使用，在创建动控件的时候可以为每个控件添加同一事件
[/Quote]

动态控件像label等是可以了，但是自定义的web控件，自定义控件里面是有ontextchange事件的，
但是在用的时候，比如在页面中用右键该控件，是看不见他的方法的(只能看见属性)，不能像普通控件一样，右键到方法，直接双击创建方法的。而是通过在后台用Handles去指定的，如：Handles txtSearch__KeMu.SelectedIndexChanged

我哪里说错了，帮忙指正下，小弟不胜感激。

jinhetian 2011-12-12

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2楼正解，动态控件也一样可以使用，在创建动控件的时候可以为每个控件添加同一事件

wranglergu 2011-12-12

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嗯，现在动态生成的textbox控件可以这样用。但是自定义的web控件，方法要怎么绑定呢？

zhuhuailei 2011-12-12

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AddHandler TextBox1.TextChanged, AddressOf TextBox1_TextChanged

wranglergu 2011-12-12

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这样写的时候就报错，TextChanged是事件，不能直接调用，.....

using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Data.OleDb; namespace DormMIS { ///

/// Form1 的摘要说明。 ///

public class Login : System.Windows.Forms.Form { private System.Windows.Forms.Button btClose;//取消按钮 private System.Windows.Forms.Button btAdd; private System.Windows.Forms.TextBox password; private System.Windows.Forms.TextBox name; private System.Windows.Forms.Label label3; private System.Windows.Forms.Label label2; private System.Windows.Forms.Label label1; ///

/// 必需的设计器变量。 ///

private System.ComponentModel.Container components = null; private OleDbConnection oleConnection1 = null; public Login() { // // Windows 窗体设计器支持所必需的 // InitializeComponent(); this.oleConnection1=new OleDbConnection(DormMIS.database.dbConnection.connection); // // TODO: 在 InitializeComponent 调用后添加任何构造函数代码 // } ///

/// 清理所有正在使用的资源。 ///

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 ///

/// 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。 ///

private void InitializeComponent() { System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Login)); this.btClose = new System.Windows.Forms.Button(); this.btAdd = new System.Windows.Forms.Button(); this.password = new System.Windows.Forms.TextBox(); this.name = new System.Windows.Forms.TextBox(); this.label3 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.label1 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // btClose // this.btClose.FlatStyle = System.Windows.Forms.FlatStyle.Popup; this.btClose.ForeColor = System.Drawing.Color.Black; this.btClose.Location = new System.Drawing.Point(168, 156); this.btClose.Name = "btClose"; this.btClose.Size = new System.Drawing.Size(75, 23); this.btClose.TabIndex = 20; this.btClose.Text = "取消"; this.btClose.Click += new System.EventHandler(this.btClose_Click); // // btAdd // this.btAdd.FlatStyle = System.Windows.Forms.FlatStyle.Popup; this.btAdd.ForeColor = System.Drawing.Color.Black; this.btAdd.Location = new System.Drawing.Point(48, 156); this.btAdd.Name = "btAdd"; this.btAdd.Size = new System.Drawing.Size(75, 23); this.btAdd.TabIndex = 19; this.btAdd.Text = "确定"; this.btAdd.Click += new System.EventHandler(this.btAdd_Click); // // password // this.password.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.password.Location = new System.Drawing.Point(128, 116); this.password.Name = "password"; this.password.PasswordChar = '*'; this.password.Size = new System.Drawing.Size(100, 21); this.password.TabIndex = 18; this.password.Text = "admin"; // // name // this.name.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.name.Location = new System.Drawing.Point(128, 76); this.name.Name = "name"; this.name.Size = new System.Drawing.Size(100, 21); this.name.TabIndex = 17; this.name.Text = "admin"; this.name.TextChanged += new System.EventHandler(this.name_TextChanged); // // label3 // this.label3.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134))); this.label3.ForeColor = System.Drawing.Color.Black; this.label3.Location = new System.Drawing.Point(64, 116); this.label3.Name = "label3"; this.label3.Size = new System.Drawing.Size(56, 23); this.label3.TabIndex = 16; this.label3.Text = "密码"; // // label2 // this.label2.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134))); this.label2.ForeColor = System.Drawing.Color.Black; this.label2.Location = new System.Drawing.Point(64, 76); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(56, 23); this.label2.TabIndex = 15; this.label2.Text = "用户名"; // // label1 // this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 18F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134))); this.label1.ForeColor = System.Drawing.Color.Black; this.label1.Location = new System.Drawing.Point(40, 24); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(228, 28); this.label1.TabIndex = 14; this.label1.Text = "宿舍管理信息系统"; // // Login // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.BackColor = System.Drawing.Color.Ivory; this.ClientSize = new System.Drawing.Size(304, 210); this.Controls.Add(this.btClose); this.Controls.Add(this.btAdd); this.Controls.Add(this.password); this.Controls.Add(this.name); this.Controls.Add(this.label3); this.Controls.Add(this.label2); this.Controls.Add(this.label1); this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon"))); this.MaximizeBox = false; this.MinimizeBox = false; this.Name = "Login"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "登录"; this.Load += new System.EventHandler(this.Login_Load); this.ResumeLayout(false); this.PerformLayout(); } #endregion ///

/// 应用程序的主入口点。 ///

[STAThread] static void Main() { Application.Run(new Login()); } private void btAdd_Click(object sender, System.EventArgs e) { if(name.Text.Trim()==""||password.Text.Trim()=="") MessageBox.Show("请输入用户名和密码","提示"); else { oleConnection1.Open(); OleDbCommand cmd=new OleDbCommand("",oleConnection1); string sql="select * from userinfo where UName='"+name.Text.Trim()+"' and PWD='"+password.Text.Trim()+"'"; cmd.CommandText=sql; if (null!=cmd.ExecuteScalar()) { //隐藏登录窗口 this.Visible=false; //创建并打开主界面 Main main=new Main(); main.Tag=this.FindForm(); OleDbDataReader dr; cmd.CommandText=sql; dr=cmd.ExecuteReader(); dr.Read(); main.statusBarPanel2.Text=name.Text.Trim(); main.ShowDialog(); } else MessageBox.Show("用户名或密码错误","警告"); } oleConnection1.Close(); } private void btClose_Click(object sender, System.EventArgs e) { this.Close(); } private void name_TextChanged(object sender, EventArgs e) { } } }

/* API精灵 FOR C# 开始设计日期 2004.03.06 设计目的：简单快速对C#中使用的API函数进行查询，并给出调用代码设计进度： 2004.03.09 完成对的查询功能，包括代码调用，中文注释，所需的DLL库，与C#中函数对应关系 2004.03.10 0:48:52 完成了用StringBuilder数组对原ComboBox的替换，可以使程序不用从新读取数据库就可以刷新修改后的信息！ 2004.03.10 18:00:00 完成了用ArrayList对StringBuilder数组的替换节省2M内存 2004.03.11 21:10:15 完成滚动字幕的设置，启用了一个TIMER控件，然后设置时间，删除字符串的第一个字母已达到滚动效果！ 2004.03.11 22:02:00 改正更新时出现空值出错问题，新填函数isnull 2004.03.12 13:22:08 完成关键字高亮显示高亮显示函数 mykeywords 2004.03.12 22:08:20 加强了高亮显示函数 mykeywords的功能，使其能识别不同的关键字并显示不同的颜色 2004.03.14 01:40:00 完成对CONST的查询，并且增加了 mykeywords1函数，使其关键字显示性能提高 2004.03.14 13:12:00 添加了提示信息，提示信息设置在函数 mytips() 中 2004.03.15 21:51:20 更改数据库和WINAPI.TXT路径为程序运行路径 2004.03.15 22:31:50 添加了鼠标右键信息 2004.03.15 23.23:30 添加了数据库密码 2004.03.16 23:24:30 添加了版权信息以及相应提示 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Data.OleDb; using System.Runtime.InteropServices; using System.IO; namespace API精灵 { /// /// Form1 的摘要说明。 /// 这个版本没有使用oleDbDataAdapter＋DataSet对数据进行存取，而是使用的OleDbCommand ＋OleDbDataReader 的形式。 /// 主要是想试验一下不用oleDbDataAdapter＋DataSet的数据存取速度。 /// public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Button button1; private System.Windows.Forms.GroupBox groupBox1; private System.Windows.Forms.GroupBox groupBox2; private System.Windows.Forms.GroupBox groupBox3; private System.Windows.Forms.Button button4; private System.Windows.Forms.TextBox mysearch; private System.Windows.Forms.ListBox tiplist; private System.Windows.Forms.ComboBox select_type; private System.Windows.Forms.TextBox dlltext; /// /// 必需的设计器变量。 /// //自定义变量 private ArrayList fundll = new ArrayList();//保存读取出来的DLL内容 private ArrayList funtips = new ArrayList();//保存读取出来的中文提示信息 private ArrayList funcode = new ArrayList();//保存读取出来的C#调用代码 private ArrayList funmat = new ArrayList();//保存读取出来的C#对应函数 private ArrayList funwin9x = new ArrayList();//保存读取出来的WIN9X private ArrayList funwin2k = new ArrayList();//保存读取出来的WIN2K private int nowselect = 0; private string oldscoll_text; private int nowtypeselect = 0; private string nowpath = @System.Environment.CurrentDirectory+@"\"; private string dbpassword = "ling_feng_work"; public string myConnstr; public OleDbConnection myconn ;//创建一个新连接 private string mysql ;//查询语句 private string sql_update; private System.Windows.Forms.RichTextBox tipsmemo; private System.Windows.Forms.TextBox mat_text; private OleDbCommand mycommand = new OleDbCommand(); private System.Windows.Forms.RichTextBox codememo; private System.Windows.Forms.GroupBox groupBox4; private System.Windows.Forms.CheckBox win9x; private System.Windows.Forms.GroupBox groupBox5; private System.Windows.Forms.CheckBox win2k; private System.Windows.Forms.CheckBox e_add; private System.Windows.Forms.CheckBox e_modify; private System.Windows.Forms.Button b_modify; private System.Windows.Forms.Button b_add; private System.Windows.Forms.Timer timer1; private System.Windows.Forms.ToolTip toolTip1; private System.Windows.Forms.ContextMenu mypop; private System.Windows.Forms.MenuItem menuItem1; private System.ComponentModel.IContainer components; 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 // } /// /// 清理所有正在使用的资源。 /// 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 /// /// 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。 /// private void InitializeComponent() { this.components = new System.ComponentModel.Container(); System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1)); this.button1 = new System.Windows.Forms.Button(); this.groupBox1 = new System.Windows.Forms.GroupBox(); this.tiplist = new System.Windows.Forms.ListBox(); this.select_type = new System.Windows.Forms.ComboBox(); this.mat_text = new System.Windows.Forms.TextBox(); this.mysearch = new System.Windows.Forms.TextBox(); this.dlltext = new System.Windows.Forms.TextBox(); this.groupBox2 = new System.Windows.Forms.GroupBox(); this.tipsmemo = new System.Windows.Forms.RichTextBox(); this.mypop = new System.Windows.Forms.ContextMenu(); this.menuItem1 = new System.Windows.Forms.MenuItem(); this.groupBox3 = new System.Windows.Forms.GroupBox(); this.codememo = new System.Windows.Forms.RichTextBox(); this.b_modify = new System.Windows.Forms.Button(); this.b_add = new System.Windows.Forms.Button(); this.button4 = new System.Windows.Forms.Button(); this.groupBox4 = new System.Windows.Forms.GroupBox(); this.win2k = new System.Windows.Forms.CheckBox(); this.win9x = new System.Windows.Forms.CheckBox(); this.groupBox5 = new System.Windows.Forms.GroupBox(); this.e_add = new System.Windows.Forms.CheckBox(); this.e_modify = new System.Windows.Forms.CheckBox(); this.timer1 = new System.Windows.Forms.Timer(this.components); this.toolTip1 = new System.Windows.Forms.ToolTip(this.components); this.groupBox1.SuspendLayout(); this.groupBox2.SuspendLayout(); this.groupBox3.SuspendLayout(); this.groupBox4.SuspendLayout(); this.groupBox5.SuspendLayout(); this.SuspendLayout(); // // button1 // this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.button1.Location = new System.Drawing.Point(224, 395); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(75, 24); this.button1.TabIndex = 10; this.button1.Text = "关于"; this.button1.Click += new System.EventHandler(this.button1_Click); // // groupBox1 // this.groupBox1.Controls.Add(this.tiplist); this.groupBox1.Controls.Add(this.select_type); this.groupBox1.Controls.Add(this.mat_text); this.groupBox1.Controls.Add(this.mysearch); this.groupBox1.Controls.Add(this.dlltext); this.groupBox1.Location = new System.Drawing.Point(8, 8); this.groupBox1.Name = "groupBox1"; this.groupBox1.Size = new System.Drawing.Size(200, 168); this.groupBox1.TabIndex = 1; this.groupBox1.TabStop = false; this.groupBox1.Text = "API查询"; // // tiplist // this.tiplist.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.tiplist.ItemHeight = 12; this.tiplist.Location = new System.Drawing.Point(8, 43); this.tiplist.Name = "tiplist"; this.tiplist.Size = new System.Drawing.Size(184, 110); this.tiplist.TabIndex = 1; this.tiplist.Visible = false; this.tiplist.KeyDown += new System.Windows.Forms.KeyEventHandler(this.tiplist_KeyDown); this.tiplist.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.tiplist_KeyPress); this.tiplist.DoubleClick += new System.EventHandler(this.tiplist_DoubleClick); this.tiplist.MouseUp += new System.Windows.Forms.MouseEventHandler(this.tiplist_MouseUp); this.tiplist.MouseLeave += new System.EventHandler(this.tiplist_MouseLeave); this.tiplist.SelectedIndexChanged += new System.EventHandler(this.tiplist_SelectedIndexChanged); // // select_type // this.select_type.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList; this.select_type.Items.AddRange(new object[] { "API函数查询", "常量定义查询"}); this.select_type.Location = new System.Drawing.Point(8, 61); this.select_type.Name = "select_type"; this.select_type.Size = new System.Drawing.Size(184, 20); this.select_type.TabIndex = 2; this.select_type.SelectedIndexChanged += new System.EventHandler(this.select_type_SelectedIndexChanged); // // mat_text // this.mat_text.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.mat_text.Location = new System.Drawing.Point(8, 134); this.mat_text.Name = "mat_text"; this.mat_text.Size = new System.Drawing.Size(184, 21); this.mat_text.TabIndex = 4; this.mat_text.Text = "C#对应函数："; this.mat_text.MouseDown += new System.Windows.Forms.MouseEventHandler(this.mat_text_MouseDown); // // mysearch // this.mysearch.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.mysearch.Location = new System.Drawing.Point(8, 24); this.mysearch.Name = "mysearch"; this.mysearch.Size = new System.Drawing.Size(184, 21); this.mysearch.TabIndex = 0; this.mysearch.Text = ""; this.mysearch.KeyDown += new System.Windows.Forms.KeyEventHandler(this.mysearch_KeyDown); this.mysearch.MouseDown += new System.Windows.Forms.MouseEventHandler(this.mysearch_MouseDown); this.mysearch.TextChanged += new System.EventHandler(this.mysearch_TextChanged); // // dlltext // this.dlltext.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.dlltext.Location = new System.Drawing.Point(8, 97); this.dlltext.Name = "dlltext"; this.dlltext.Size = new System.Drawing.Size(184, 21); this.dlltext.TabIndex = 3; this.dlltext.Text = ""; this.dlltext.TextChanged += new System.EventHandler(this.dlltext_TextChanged); // // groupBox2 // this.groupBox2.Controls.Add(this.tipsmemo); this.groupBox2.Location = new System.Drawing.Point(216, 8); this.groupBox2.Name = "groupBox2"; this.groupBox2.Size = new System.Drawing.Size(200, 168); this.groupBox2.TabIndex = 2; this.groupBox2.TabStop = false; this.groupBox2.Text = "函数注释"; // // tipsmemo // this.tipsmemo.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.tipsmemo.ContextMenu = this.mypop; this.tipsmemo.Location = new System.Drawing.Point(8, 16); this.tipsmemo.Name = "tipsmemo"; this.tipsmemo.Size = new System.Drawing.Size(184, 144); this.tipsmemo.TabIndex = 0; this.tipsmemo.Text = ""; this.tipsmemo.MouseEnter += new System.EventHandler(this.richTextBox1_MouseEnter); // // mypop // this.mypop.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { this.menuItem1}); // // menuItem1 // this.menuItem1.Index = 0; this.menuItem1.Text = "复制信息"; this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click); // // groupBox3 // this.groupBox3.Controls.Add(this.codememo); this.groupBox3.Location = new System.Drawing.Point(8, 221); this.groupBox3.Name = "groupBox3"; this.groupBox3.Size = new System.Drawing.Size(408, 168); this.groupBox3.TabIndex = 3; this.groupBox3.TabStop = false; this.groupBox3.Text = "代码调用"; // // codememo // this.codememo.ContextMenu = this.mypop; this.codememo.Location = new System.Drawing.Point(8, 16); this.codememo.Name = "codememo"; this.codememo.Size = new System.Drawing.Size(392, 144); this.codememo.TabIndex = 0; this.codememo.Text = ""; this.codememo.TextChanged += new System.EventHandler(this.codememo_TextChanged); // // b_modify // this.b_modify.Enabled = false; this.b_modify.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.b_modify.Location = new System.Drawing.Point(120, 395); this.b_modify.Name = "b_modify"; this.b_modify.Size = new System.Drawing.Size(75, 24); this.b_modify.TabIndex = 4; this.b_modify.Text = "修改信息"; this.b_modify.Click += new System.EventHandler(this.button2_Click); // // b_add // this.b_add.Enabled = false; this.b_add.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.b_add.Location = new System.Drawing.Point(16, 395); this.b_add.Name = "b_add"; this.b_add.Size = new System.Drawing.Size(75, 24); this.b_add.TabIndex = 5; this.b_add.Text = "添加新项"; // // button4 // this.button4.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.button4.Location = new System.Drawing.Point(328, 395); this.button4.Name = "button4"; this.button4.Size = new System.Drawing.Size(75, 24); this.button4.TabIndex = 6; this.button4.Text = "退出"; this.button4.Click += new System.EventHandler(this.button4_Click); // // groupBox4 // this.groupBox4.Controls.Add(this.win2k); this.groupBox4.Controls.Add(this.win9x); this.groupBox4.Location = new System.Drawing.Point(8, 176); this.groupBox4.Name = "groupBox4"; this.groupBox4.Size = new System.Drawing.Size(200, 40); this.groupBox4.TabIndex = 11; this.groupBox4.TabStop = false; // // win2k // this.win2k.Location = new System.Drawing.Point(104, 11); this.win2k.Name = "win2k"; this.win2k.Size = new System.Drawing.Size(80, 24); this.win2k.TabIndex = 1; this.win2k.Text = "支持win2k"; // // win9x // this.win9x.Location = new System.Drawing.Point(16, 11); this.win9x.Name = "win9x"; this.win9x.TabIndex = 0; this.win9x.Text = "支持win9x"; // // groupBox5 // this.groupBox5.Controls.Add(this.e_add); this.groupBox5.Controls.Add(this.e_modify); this.groupBox5.Location = new System.Drawing.Point(216, 176); this.groupBox5.Name = "groupBox5"; this.groupBox5.Size = new System.Drawing.Size(200, 40); this.groupBox5.TabIndex = 12; this.groupBox5.TabStop = false; // // e_add // this.e_add.Location = new System.Drawing.Point(112, 10); this.e_add.Name = "e_add"; this.e_add.Size = new System.Drawing.Size(80, 24); this.e_add.TabIndex = 5; this.e_add.Text = "允许添加"; this.e_add.CheckedChanged += new System.EventHandler(this.e_add_CheckedChanged); // // e_modify // this.e_modify.Location = new System.Drawing.Point(16, 10); this.e_modify.Name = "e_modify"; this.e_modify.Size = new System.Drawing.Size(76, 24); this.e_modify.TabIndex = 4; this.e_modify.Text = "允许修改"; this.e_modify.CheckedChanged += new System.EventHandler(this.e_modify_CheckedChanged); // // timer1 // this.timer1.Interval = 500; this.timer1.Tick += new System.EventHandler(this.timer1_Tick); // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(424, 429); this.Controls.Add(this.groupBox5); this.Controls.Add(this.groupBox4); this.Controls.Add(this.button4); this.Controls.Add(this.b_add); this.Controls.Add(this.b_modify); this.Controls.Add(this.groupBox3); this.Controls.Add(this.groupBox1); this.Controls.Add(this.button1); this.Controls.Add(this.groupBox2); this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon"))); this.MaximizeBox = false; this.Name = "Form1"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "API精灵FOR C#"; this.Load += new System.EventHandler(this.Form1_Load); this.groupBox1.ResumeLayout(false); this.groupBox2.ResumeLayout(false); this.groupBox3.ResumeLayout(false); this.groupBox4.ResumeLayout(false); this.groupBox5.ResumeLayout(false); this.ResumeLayout(false); } #endregion /// /// 应用程序的主入口点。 /// [STAThread] static void Main() { Application.Run(new Form1()); } [DllImport("user32.dll", EntryPoint="ShowWindow")] public static extern int ShowWindow ( int hwnd, int nCmdShow ); private void button1_Click(object sender, System.EventArgs e) { AboutForm myabout = new AboutForm(); myabout.ShowDialog(); } /// /// 填写mysearch中的内容。 /// private void search_comp() { if (tiplist.SelectedIndex>-1) mysearch.Text = tiplist.SelectedItem.ToString(); tiplist.Visible = false ; mysearch.Select(); } /// /// 自动填写提示内容。 /// private void autocomp() { if (tiplist.SelectedIndex>-1) try { if (this.nowtypeselect==0) //================查询函数 { this.nowselect = tiplist.SelectedIndex; dlltext.Text = fundll[tiplist.SelectedIndex].ToString();//else tipsmemo.Text = funtips[tiplist.SelectedIndex].ToString(); codememo.Text = funcode[tiplist.SelectedIndex].ToString(); mat_text.Text = funmat[tiplist.SelectedIndex].ToString(); this.oldscoll_text = mat_text.Text; if (funwin9x[tiplist.SelectedIndex].ToString()==("Yes")) win9x.Checked=true; else win9x.Checked=false; if (funwin2k[tiplist.SelectedIndex].ToString()==("Yes")) win2k.Checked=true; else win2k.Checked=false; //滚动文字 if (mat_text.TextLength>30) timer1.Enabled = true; else timer1.Enabled = false; } else { dlltext.Text = ""; tipsmemo.Text = ""; codememo.Text = ""; win9x.Checked = false; win2k.Checked = false; } //******************** if (this.nowtypeselect==1) { this.nowselect = tiplist.SelectedIndex; codememo.Text = funcode[tiplist.SelectedIndex].ToString(); } //******************** //================= } catch { dlltext.Text = "没有找到相应连接库"; tipsmemo.Text = "没有找到相应提示"; codememo.Text = "没有找到相应调用代码"; mat_text.Text = "没有找到相应C#函数"; } } // /// /// 手动释放一些内存。 /// private void mydisp() { tipsmemo.Clear(); codememo.Clear(); tiplist.Items.Clear(); // ===== fundll.Clear();//保存读取出来的DLL内容 funtips.Clear();//保存读取出来的中文提示信息 funcode.Clear();//保存读取出来的C#调用代码 funmat.Clear();//保存读取出来的C#对应函数 funwin9x.Clear();//保存读取出来的WIN9X funwin2k.Clear();//保存读取出来的WIN2K } private void mysearch_TextChanged(object sender, System.EventArgs e) { tiplist.Visible = true ; //自动完成功能。 tiplist.SelectedIndex = (tiplist.FindString(mysearch.Text,-1)) ;//加上这句，保证TIPLIST跟着自动变化 nowselect = tiplist.SelectedIndex; autocomp(); //设置提示信息 mytips(); } private void mysearch_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { if ((e.KeyCode == Keys.Down) || (e.KeyCode == Keys.Up)) tiplist.Focus(); if (e.KeyCode == Keys.Enter) { search_comp(); if (this.nowtypeselect==0) mykeyword(); if (this.nowtypeselect==1) mykeyword1(); } if (e.KeyCode == Keys.Escape) { tiplist.Visible = false ; } } private void tiplist_MouseLeave(object sender, System.EventArgs e) { } private void tiplist_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) { } private void tiplist_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { this.search_comp(); if (this.nowtypeselect==0) mykeyword(); else mykeyword1(); } if (e.KeyCode == Keys.Escape) { tiplist.Visible = false ; } } private void tiplist_DoubleClick(object sender, System.EventArgs e) { this.search_comp(); if (this.nowtypeselect==0) mykeyword(); else mykeyword1(); } private void Form1_Load(object sender, System.EventArgs e) { //初始化数据库 initdatabase(); //MessageBox.Show(this,"欢迎使用共享版\n 本版对使用功能上略有限制\n 且不提供数据库更新！\n 如想获得更多信息请与我联系。\n dong_teng@tom.com","提示",MessageBoxButtons.OK,MessageBoxIcon.Information); select_type.SelectedIndex = 0; AboutForm myabout = new AboutForm(); myabout.ShowDialog(); } // private void mytips() { //设置提示信息 if ((this.nowselect>-1)&(this.nowtypeselect==0)) { toolTip1.SetToolTip(this.dlltext,"所在动态连接库： "+this.fundll[this.nowselect].ToString()); toolTip1.SetToolTip(this.mat_text,"在C#中对应的函数： "+this.funmat[this.nowselect].ToString()); toolTip1.SetToolTip(this.codememo,"函数 "+this.tiplist.SelectedItem.ToString()+" 在C#中的调用代码，可以手动修改"); toolTip1.SetToolTip(this.tipsmemo,"函数 "+this.tiplist.SelectedItem.ToString()+" 的注释信息，可以手动修改"); } else if ((this.nowselect>-1)&(this.nowtypeselect==1)) { toolTip1.SetToolTip(this.codememo,"常量 "+this.tiplist.SelectedItem.ToString()+" 在C#中的调用代码"); toolTip1.SetToolTip(this.dlltext,"没有相关信息"); toolTip1.SetToolTip(this.mat_text,"没有相关信息"); toolTip1.SetToolTip(this.tipsmemo,"没有相关信息"); } } // private void initdatabase() { string dbpath = @nowpath+"winapi.mdb"; tiplist.Items.Clear(); //@"Provider=Microsoft.Jet.OleDB.4.0;Data Source="+dbpath+";User Id=admin;Password="+this.dbpassword ; //"Provider=Microsoft.Jet.OleDB.4.0;Data Source=your mdb filename;Jet OLEDB:Database Password='pass'" ; this.myConnstr = @"Provider=Microsoft.Jet.OleDB.4.0;Data Source="+dbpath+";User Id=admin;Jet OLEDB:Database Password="+this.dbpassword ; this.myconn= new OleDbConnection(myConnstr); mysql= @"select Fun_name,Fun_dll,Fun_tips,Fun_code,Fun_com,win9x,win2k from winapi"; using(myconn) { myconn.Open(); // if (myconn.State.ToString() == "Open") MessageBox.Show("打开成功！"); //数据处理 // OleDbCommand mycommand = new OleDbCommand(mysql,myconn); mycommand.CommandText = mysql; mycommand.Connection = myconn; OleDbDataReader myreader = mycommand.ExecuteReader(); int i=0; while (myreader.Read()) { tiplist.Items.Add(myreader["Fun_name"]); fundll.Add(myreader["fun_dll"].ToString()); funtips.Add(myreader["fun_tips"].ToString()); funcode.Add(myreader["fun_code"].ToString()); funmat.Add(myreader["fun_com"].ToString()); funwin9x.Add(myreader["win9x"].ToString()); funwin2k.Add(myreader["win2k"].ToString()); i++; } myconn.Close(); myreader.Close(); } } //更新缓存 private void memo_update() { fundll[nowselect] = dlltext.Text; funtips[nowselect] = this.tipsmemo.Text; funcode[nowselect] = this.codememo.Text; funmat[nowselect] = this.mat_text.Text; if (win9x.Checked) funwin9x[nowselect]="Yes" ;else funwin9x[nowselect]="No"; if (win2k.Checked) funwin2k[nowselect]="Yes" ;else funwin2k[nowselect]="No"; } // private void oleDbConnection1_InfoMessage(object sender, System.Data.OleDb.OleDbInfoMessageEventArgs e) { } //==============从WINAPI.TXT读取CONST并拆分 private void mysplip() { //string dbpath = @System.Environment.CurrentDirectory+@"\winapi.mdb"; string filename =@nowpath +"winapi.txt"; string nextline; tiplist.Items.Clear(); StreamReader sr = new StreamReader(filename); while ((nextline = sr.ReadLine())!=null) { if (nextline.StartsWith("public const")) { string[] ss = nextline.Split('='); tiplist.Items.Add(ss[0].Substring(16).Trim()); funcode.Add(nextline); } } sr.Close(); } //============================== private void select_type_SelectedIndexChanged(object sender, System.EventArgs e) { if (select_type.SelectedIndex != this.nowtypeselect) { this.mydisp(); switch (select_type.SelectedIndex) { case 0:initdatabase();this.nowtypeselect=select_type.SelectedIndex;break; case 1:mysplip();this.nowtypeselect=select_type.SelectedIndex;this.dlltext.Clear();this.mat_text.Clear();break; } isenable(this.nowtypeselect); } } private void dlltext_TextChanged(object sender, System.EventArgs e) { } private void richTextBox1_MouseEnter(object sender, System.EventArgs e) { tiplist.Visible = false ; } private void mysearch_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { tiplist.Visible = false ; mysearch.Focus(); } private void tiplist_SelectedIndexChanged(object sender, System.EventArgs e) { autocomp(); } /// /// 修改内容。 /// private void fun_update() { using(myconn) { myconn.ConnectionString = myConnstr; myconn.Open(); try { //if (myconn.State.ToString() == "Open") MessageBox.Show("打开成功！"); isnull();//判断是否有无效值 string str_win9x,str_win2k; if (win9x.Checked) str_win9x = "Yes" ; else str_win9x = "No"; if (win2k.Checked) str_win2k = "Yes" ; else str_win2k = "No"; sql_update = "update winapi set Fun_dll = '"+dlltext.Text+"'"+" , Fun_tips = '"+tipsmemo.Text+"'"+" , Fun_code = '"+codememo.Text+"'"+" , Fun_com ='"+mat_text.Text+"' "; sql_update +=" , win9x = '" + str_win9x +"' " + ", win2k = '" + str_win2k+"' "; sql_update +=" where Fun_name ='"+ mysearch.Text+"'"; mycommand.Connection = myconn; mycommand.CommandText = sql_update; mycommand.ExecuteNonQuery(); myconn.Close(); memo_update(); MessageBox.Show(this,"恭喜！更新成功！","提示",MessageBoxButtons.OK,MessageBoxIcon.Information); } catch { // tipsmemo.Text = sql_update; MessageBox.Show("没有找到相应记录，更新失败！"); } } } //判断是更新的部分是否有效（不能为空） private void isnull() { if (this.mat_text.Text=="") this.mat_text.Text="没有相关信息"; if (this.codememo.Text=="") this.codememo.Text="没有相关信息"; if (this.tipsmemo.Text=="") this.tipsmemo.Text="没有相关信息"; if (this.dlltext.Text=="") this.dlltext.Text="没有相关信息"; } //关键字高亮显示 private void mykeyword() { string[] keywords = new string[5]; keywords[0]=mysearch.Text; keywords[1]="string"; keywords[2]="ref"; keywords[3]="int"; keywords[4]="static extern"; for(int i=0;i0) { index++; switch(i) { case 0: codememo.SelectionColor = Color.Red;break; case 1: codememo.SelectionColor = Color.Green;break; case 2: codememo.SelectionColor = Color.Brown;break; case 3: codememo.SelectionColor = Color.Blue;break; case 4: codememo.SelectionColor = Color.Green;break; //default:codememo.SelectionColor = Color.Blue;break; } } } } // //CONST中关键字高亮显示 private void mykeyword1() { string[] keywords = new string[5]; keywords[0]=mysearch.Text; keywords[1]="="; keywords[2]="0"; keywords[3]="int"; keywords[4]="const"; for(int i=0;i0) { index++; switch(i) { case 0: codememo.SelectionColor = Color.Red;break; case 1: codememo.SelectionColor = Color.Blue;break; case 2: codememo.SelectionColor = Color.Green;break; case 3: codememo.SelectionColor = Color.Blue;break; case 4: codememo.SelectionColor = Color.Green;break; //default:codememo.SelectionColor = Color.Blue;break; } if (index>codememo.TextLength) break; } } } // private void button2_Click(object sender, System.EventArgs e) { this.fun_update(); } private void isenable(int i_temp) { if (i_temp==0) { win9x.Enabled=true; win2k.Enabled=true; e_modify.Enabled=true; e_add.Enabled=true; b_modify.Enabled=true; b_add.Enabled=true; } else { win9x.Enabled=false; win2k.Enabled=false; e_modify.Enabled=false; e_add.Enabled=false; b_modify.Enabled=false; b_add.Enabled=false; } } private void button4_Click(object sender, System.EventArgs e) { Application.Exit(); } private void e_modify_CheckedChanged(object sender, System.EventArgs e) { if (e_modify.Checked) b_modify.Enabled = true; else b_modify.Enabled = false; } private void e_add_CheckedChanged(object sender, System.EventArgs e) { if (e_add.Checked) b_add.Enabled = true; else b_add.Enabled = false; } private void timer1_Tick(object sender, System.EventArgs e) { if (this.mat_text.TextLength>0) mat_text.Text = mat_text.Text.Remove(0,1); else mat_text.Text = oldscoll_text; } private void mat_text_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { timer1.Enabled = false ; mat_text.Text = oldscoll_text; } private void codememo_TextChanged(object sender, System.EventArgs e) { } private void tiplist_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { } private void menuItem1_Click(object sender, System.EventArgs e) { Control ct = this.ActiveControl; string temp = ct.Text; Clipboard.SetDataObject(temp); } private void menuItem2_Click(object sender, System.EventArgs e) { } } }

4 浏览器网络编程（共两周） 4.1 浏览器工作原理（老师讲解1学时，学生理解1学时）浏览器工作原理如图4-1所示。图4-1 浏览器工作原理 (1) 浏览器分析超链指向页面的 URL。 (2) 浏览器向 DNS 请求解析 www.tsinghua.edu.cn 的 IP 地址。 (3) 域名系统 DNS 解析出清华大学服务器的 IP 地址。 (4) 浏览器与服务器建立 TCP 连接 (5) 浏览器发出取文件命令： GET /chn/yxsz/index.htm。 (6) 服务器给出响应，把文件 index.htm 发给浏览器。 (7) TCP 连接释放。 (8) 浏览器显示“清华大学院系设置”文件 index.htm 中的所有文本 4.2 浏览器功能结构（老师讲解1学时，学生理解1学时）浏览器程序功能结构如图4-2所示。图4-2 浏览器功能结构 1) 浏览器有一组客户、一组解释程序，以及管理这些客户和解释程序的控制程序。 2) 控制程序是其中的核心部件，它解释鼠标的点击和键盘的输入，并调用有关的组件来执行用户指定的操作。 3) 例如，当用户用鼠标点击一个超链的起点时，控制程序就调用一个客户从所需文档所在的远地服务器上取回该文档，并调用解释程序向用户显示该文档 4) HTML 解释程序是必不可少的，而其他的解释程序则是可选的。 5) 解释程序把 HTML 规格转换为适合用户显示硬件的命令来处理版面的细节。 6) 许多浏览器还包含 FTP 客户，用来获取文件传送服务。 7) 一些浏览器也包含电子邮件客户，使浏览器能够发送和接收电子邮件 8) 浏览器将它取回的每一个页面副本都放入本地磁盘的缓存中。 9) 当用户用鼠标点击某个选项时，浏览器首先检查磁盘的缓存。若缓存中保存了该项，浏览器就直接从缓存中得到该项副本而不必从网络获取，这样就明显地改善浏览器的运行特性。 10) 但缓存要占用磁盘大量的空间，而浏览器性能的改善只有在用户再次查看缓存中的页面时才有帮助。 11) 许多浏览器允许用户调整缓存策略。 4.3 浏览器设计（老师讲解2学时，学生设计2学时）（1）浏览器功能设计浏览器功能设计主要确定设计好的浏览器需要具备哪些功能，以及这些功能是以什么方式进行实现，这个步骤相当于软件设计中的“需求分析”，其中必须保证基本功能的具备，即浏览器必须能够浏览Web页面。（2）浏览器界面设计浏览器界面设计主要确定浏览器的页面布局，设定浏览器窗口上设置哪些功能菜单项、设置哪些功能按钮、设置哪些状态栏，它们各自的位置如何、属性如何、对应的变量如何等等。（3）浏览器代码设计浏览器代码设计主要是确定对上述的设计的功能在代码上怎样实现，包括选用的程序语言和编程平台选择、程序代码的编写、程序代码的调试、程序功能的测试等等。 4.4 浏览器编程设计平台（老师讲解2学时，学生理解4学时）（1）VS2005编程平台（2）WebBrowser类及其使用（3）一些浏览器程序的代码分析 4.5 浏览器开发步骤（8天）（1）熟悉VS2005平台，建立项目（半天）打开VS2005选择“创建项目”，进入“新建项目”对话框，如图4-1所示。图4-1 “新建项目”对话框在“新建项目”对话框的项目类型窗口中选中“Visual C#”作为项目开发语言，在模板窗口中选中“Windows 应用程序”作为项目开发模板，在“名称”、“位置”编辑框中输入自己设定的项目名字和项目存储位置，本讲义使用“CSharp浏览器”作为项目名称，如图4-2所示。图4-2 输入新建项目的属性完成输入内容后，单击“确定”按钮，进入项目VC#开发窗口“Form.cs[设计]”，如图4-3所示。图4-3 VC#开发窗口“Form.cs[设计]” （2）界面设计（1天） ○1设计菜单栏如图4-4所示。（半天）图4-4 设计菜单栏设计“文件”菜单如4-5所示。图4-5 设计“文件”菜单设计“编辑”菜单如图4-6所示。图4-6 设计“编辑”菜单设计“查看”菜单如图4-7所示。图4-7 设计“查看”菜单设计“收藏”菜单如图4-8所示。图4-8 设计“收藏”菜单设计“工具”菜单如图4-9所示。图4-9 设计“工具”菜单 ○2设计工具栏、用户区和状态栏如图4-10所示（半天）图4-10 工具栏和状态栏（3）功能代码编辑 ○1初始化代码（半天）双击“Form”设计页面进入代码编写页面，如图4-11所示。图4-11 代码编写页面初始化页面代码如下： ////////////////////////////////////////////////////////

事件和委托的深度用法，我这种初学者是用不太到，我关心的则是我外部的一个类中的一个的信号我怎么触发在我主类里面的信号。解决方案：找到委托类型，用委托类型生成的变量就可以使函数作为参数传达了，例： this.textBox1.TextChanged += new System.EventHandler(this.TextByteMax); 委托类型就是 Sys

Step 1 ：添加监听方式1：Designer中添加监听 this.textBox1.Location = new System.Drawing.Point(12, 5); this.textBox1.Multiline = true; this.textBox1.Name = "textBox1"; this.textBox1.Size = new System.Drawing.Size(...

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