我经常在代码中看到如下内容#region Component Designer generated code 。。#endregion

rodger_yanglq 2012-08-14 06:18:04

请问这个难道都是程序员自己输入的，还是可以系统自动生成的？

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dj10129pop 2012-08-16

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#region ... #endregion是用来折叠代码用的，人工输入上去的，为的是把很长的代码折叠起来，并加上注释就可以让人一目了然这些代码是干什么用的，你可以用“封装”来理解它吧

pavee 2012-08-16

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'///<summary>' is one of three comments.

rodger_yanglq 2012-08-16

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那各位还有///<summary>。。。。这个事干吗的？

pavee 2012-08-14

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It is one of C# Preprocessor Directives.

孫大聖 2012-08-14

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自己输入的。

为了代码简洁，好看。有利于后期的维护

当Textbox的enable为false时，字体颜色默认为灰色，不是很好看。所以写了这个自定义控件，禁用后颜色可以改为自己想要的！

Ajax实现无刷新三联动下拉框 1.html代码 Ajax实现无刷新三联动下拉框 2.cs代码 using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; namespace AjaxTest { /**////

/// Summary description for WebForm1. ///

public class WebForm1 : System.Web.UI.Page { protected System.Web.UI.WebControls.DropDownList DropDownList1; protected System.Web.UI.WebControls.DropDownList DropDownList2; protected System.Web.UI.WebControls.TextBox TextBox1; protected System.Web.UI.WebControls.DropDownList DropDownList3; private void Page_Load(object sender, System.EventArgs e) { Ajax.Utility.RegisterTypeForAjax(typeof(AjaxMethod)); if(!Page.IsPostBack) { this.DropDownList1.DataSource=AjaxMethod.GetProvinceList(); this.DropDownList1.DataTextField="province"; this.DropDownList1.DataValueField="provinceID"; this.DropDownList1.DataBind(); this.DropDownList1.Attributes.Add("onclick","cityResult();"); this.DropDownList2.Attributes.Add("onclick","areaResult();"); } } Web Form Designer generated code#region Web Form Designer generated code override protected void OnInit(EventArgs e) { // // CODEGEN: This call is required by the ASP.NET Web Form Designer. // InitializeComponent(); base.OnInit(e); } /**////

/// Required method for Designer support - do not modify /// the contents of this method with the code editor. ///

private void InitializeComponent() { this.Load += new System.EventHandler(this.Page_Load); } #endregion } }3.AjaxMethod using System; using System.Data; using System.Data.SqlClient; namespace AjaxTest { /**////

/// Summary description for AjaxMethod. ///

public class AjaxMethod { GetProvinceList#region GetProvinceList public static DataSet GetProvinceList() { string sql="select * from province"; return GetDataSet(sql); } #endregion GetCityList#region GetCityList [Ajax.AjaxMethod(Ajax.HttpSessionStateRequirement.Read)] public DataSet GetCityList(int provinceid) { string sql="select * from city where father="+provinceid; return GetDataSet(sql); } #endregion GetAreaList#region GetAreaList [Ajax.AjaxMethod(Ajax.HttpSessionStateRequirement.Read)] public DataSet GetAreaList(int cityid) { string sql="select * from area where father="+cityid; return GetDataSet(sql); } #endregion GetDataSet#region GetDataSet public static DataSet GetDataSet(string sql) { string ConnectionString=System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]; SqlDataAdapter sda =new SqlDataAdapter(sql,ConnectionString); DataSet ds=new DataSet(); sda.Fill(ds); return ds; } #endregion } }4.web.config

初学者，求下载有代码 namespace Notepad { partial class ShowHelp { ///

/// Required designer variable. ///

private System.ComponentModel.IContainer components = null; ///

/// Clean up any resources being used. ///

/// true if managed resources should be disposed; otherwise, false. protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows Form Designer generated code ///

/// Required method for Designer support - do not modify /// the contents of this method with the code editor. ///

private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.timer1 = new System.Windows.Forms.Timer(this.components); this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // timer1 // this.timer1.Tick += new System.EventHandler(this.timer1_Tick); // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(92, 90); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(41, 12); this.label1.TabIndex = 0; this.label1.Text = "label1"; // // label2 // this.label2.AutoSize = true; this.label2.Location = new System.Drawing.Point(15, 154); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(41, 12); this.label2.TabIndex = 1; this.label2.Text = "label2"; // // ShowHelp // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(284, 262); this.Controls.Add(this.label2); this.Controls.Add(this.label1); this.Name = "ShowHelp"; this.Text = "ShowHelp"; this.Load += new System.EventHandler(this.ShowHelp_Load); this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.Timer timer1; private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; } }

Example002-渐显的窗体 Example003-使程序始终在前面 Example004-将窗体编译成类库 Example005-继承窗体的设计 Example006-设计多边形窗体 Example007-用获取路径的方法得到圆形窗体 Example008-分割窗体 Example009-在菜单中加入图标 Example010-渐变的窗口背景 Example011-使用任务栏的状态区 Example012-在运行时更新状态栏信息 Example013-无标题窗体的拖动 Example014-设置应用程序的图标 Example015-共享菜单项 Example016-动态设置窗体的光标 Example017-自己绘制菜单 Example018-向窗体的系统菜单添加菜单项 namespace Example018_向窗体的系统菜单添加菜单项 { ///

/// Form1 的摘要说明。 ///

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; ///

/// 必需的设计器变量。 ///

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 // } ///

/// 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 Form Designer generated code ///

/// 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.mainMenu1 = new System.Windows.Forms.MainMenu(); this.menuItem1 = new System.Windows.Forms.MenuItem(); this.menuItem2 = new System.Windows.Forms.MenuItem(); // // mainMenu1 // this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { this.menuItem1}); // // menuItem1 // this.menuItem1.Index = 0; this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { this.menuItem2}); this.menuItem1.Text = "File"; // // menuItem2 // this.menuItem2.Index = 0; this.menuItem2.Text = "Exit"; this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click); // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(292, 273); this.Menu = this.mainMenu1; this.Name = "Form1"; this.Text = "Form1"; this.Load += new System.EventHandler(this.Form1_Load); } #endregion ///

/// 应用程序的主入口点。 ///

[STAThread] [System.Runtime.InteropServices.DllImport("user32")] private static extern IntPtr GetSystemMenu(IntPtr hwnd,bool bRevert); [System.Runtime.InteropServices.DllImport("user32")] private static extern IntPtr AppendMenu(IntPtr hMenu,int wFlags,IntPtr wIDNewItem,string lpNewItem); const int MF_POPUP = 0x0010; const int MF_SEPARATOR = 0x0800; static void Main() { Application.Run(new Form1()); } private void Form1_Load(object sender, System.EventArgs e) { IntPtr mnuSystem; mnuSystem=GetSystemMenu(this.Handle,false); AppendMenu(mnuSystem, MF_SEPARATOR, (IntPtr)0, ""); for(int i= 0;iendMenu(mnuSystem,MF_POPUP,this.mainMenu1.MenuItems[i].Handle,this.mainMenu1.MenuItems[i].Text); } } private void menuItem2_Click(object sender, System.EventArgs e) { Application.Exit(); } } } namespace Example019_本地化Windows窗体_1_ { ///

/// Form1 的摘要说明。 ///

public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Button button1; ///

/// 必需的设计器变量。 ///

private System.ComponentModel.Container components = null; public Form1() { // // Windows 窗体设计器支持所必需的 // Thread.CurrentThread.CurrentUICulture=new CultureInfo("zh-cn"); 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。 ///

/// 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。 ///

/// 应用程序的主入口点。 ///

[STAThread] static void Main() { Application.Run(new Form1()); } } }

很不错的C#源码，实用，分也不多. using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace NoticePad { /// /// 定时提醒的小工具。 /// public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.Timer timer1; private System.Windows.Forms.NumericUpDown ndHour; private System.Windows.Forms.NumericUpDown ndMinute; private System.Windows.Forms.Button btn_OK; 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 Form Designer generated code /// /// 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(); this.ndHour = new System.Windows.Forms.NumericUpDown(); this.ndMinute = new System.Windows.Forms.NumericUpDown(); this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.textBox1 = new System.Windows.Forms.TextBox(); this.btn_OK = new System.Windows.Forms.Button(); this.timer1 = new System.Windows.Forms.Timer(this.components); ((System.ComponentModel.ISupportInitialize)(this.ndHour)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.ndMinute)).BeginInit(); this.SuspendLayout(); // // ndHour // this.ndHour.Location = new System.Drawing.Point(8, 8); this.ndHour.Maximum = new System.Decimal(new int[] {

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