C# 读写ini配置文件

读写ini文件的方法

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 Example084_读写ini文件
{
    /// <summary>
    /// Form1 的摘要说明。
    /// </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 );
        }

        #region Windows Form Designer generated code
        /// <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()
        {
// 
// Form1
// 
            this.AutoScaleBaseSize = New System.Drawing.Size(6, 14);
            this.ClientSize = New System.Drawing.Size(292, 273);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Closing += New System.ComponentModel.CancelEventHandler(this.Form1_Closing);
            this.Load += New System.EventHandler(this.Form1_Load);

        }
        #endregion

        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        Static void Main() 
        {
            Application.Run(New Form1());
        }

        [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,String lpReturnedString,int nSize,String lpFileName);
        [DllImport("kernel32")]
        Private Static extern bool WritePrivateProfileSection(String lpAppName,String lpString,String lpFileName);

        Public Const int MAX_PATH = 256;
        Public Const String FILE_NAME=".\\test.ini";

        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;
            }
        }

        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","Height",this.Height.ToString(),FILE_NAME);
            WritePrivateProfileString("Form","Left",this.Left.ToString(),FILE_NAME);
            WritePrivateProfileString("Form","Top",this.Top.ToString(),FILE_NAME);
        }
    }
}