using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Runtime.InteropServices;using System.IO;using System.Text;namespace ex84_readWriteIni...{ /**//// <summary> /// Form1 的摘要说明。 /// /// zhanghua 2005-7-28 /// /// </summary> /// public class Form1 : System.Windows.Forms.Form ...{ /**//// <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 ); } Windows 窗体设计器生成的代码#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.button1 = new System.Windows.Forms.Button(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(192, 112); this.button1.Name = "button1"; this.button1.TabIndex = 0; this.button1.Text = "button1"; this.button1.Click += new System.EventHandler(this.button1_Click); // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(292, 273); this.Controls.Add(this.button1); this.Name = "Form1"; this.Text = "Form1"; this.Load += new System.EventHandler(this.Form1_Load); this.ResumeLayout(false); } #endregion /**//// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() ...{ Application.Run(new Form1()); } /**//// <summary> /// 添加GetPrivateProfileInt等6个API函数的声明和FILE_NAME常量的声明 /// </summary> //declare begin by zhanghua [DllImport("kernel32")] private static extern int GetPrivateProfileInt( string lpApplicationName, string lpKeyName, int nDefault, string lpFileName); [DllImport("kernel32")] private static extern bool GetPrivateProfileString( string lpApplicationName, string lpKeyName, string lpDefault, StringBuilder lpReturnedString , int nSize, string lpFileName); [DllImport("kernel32")] private static extern bool WritePrivateProfileString( string lpApplicationName, string lpKeyName, string lpString, string lpFileName); [DllImport("kernel32")] private static extern bool GetPrivateProfileSection( string lpAppName, StringBuilder lpReturnedString, int nSize, string lpFileName ); [DllImport("kernel32")] private static extern bool WritePrivateProfileSection( string lpAppName, string lpString, string lpFileName); private System.Windows.Forms.Button button1; public const string FILE_NAME ="C:/Visual Studio Projects/ex84_readWriteIni/test.ini"; // declare end private void Form1_Load(object sender, System.EventArgs e) ...{ if (File.Exists(FILE_NAME)) ...{ StringBuilder strCaption = new StringBuilder(256); GetPrivateProfileString("Form", "Caption","Default Caption", strCaption, strCaption.Capacity, FILE_NAME); this.Text= strCaption.ToString(); int myWidth= GetPrivateProfileInt("Form", "Width", this.Width,FILE_NAME); this.Width=myWidth; int myHeight= GetPrivateProfileInt("Form","Height", this.Height,FILE_NAME); this.Height= myHeight; int myLeft= GetPrivateProfileInt("Form","Left", this.Left,FILE_NAME); this.Left=myLeft; int myTop = GetPrivateProfileInt("Form","Top", this.Top, FILE_NAME); this.Top=myTop; } } //当按钮被点击, 保存窗体的位置和大小信息到test.ini 文件中,响应代码如下: private void button1_Click(object sender, System.EventArgs e) ...{ string strCaption = this.Text; WritePrivateProfileString("Form", "Caption", strCaption, FILE_NAME); WritePrivateProfileString("Form", "Width", this.Width.ToString(), FILE_NAME); WritePrivateProfileString("Form", "Hight", this.Height.ToString(), FILE_NAME); WritePrivateProfileString("Form", "Left", this.Left.ToString(), FILE_NAME); WritePrivateProfileString("Form", "Top", this.Top.ToString(), FILE_NAME); } //当程序结束时,保存窗体的位置和大小信息到test.ini 文件中,响应代码如下: private void Form1_Closing( object sender, System.ComponentModel.CancelEventArgs e) ...{ string strCaption = this.Text; WritePrivateProfileString("Form", "Caption", strCaption, FILE_NAME); WritePrivateProfileString("Form", "Width", this.Width.ToString(), FILE_NAME); WritePrivateProfileString("Form", "Hight", this.Height.ToString(), FILE_NAME); WritePrivateProfileString("Form", "Left", this.Left.ToString(), FILE_NAME); WritePrivateProfileString("Form", "Top", this.Top.ToString(), FILE_NAME); } }}