C# 调用系统API读写文件数据( GetProfileString)

C#语言基础

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开发语言：C#
实例大小：0.02M
下载次数：37
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发布时间：2015-10-15
实例类别：C#语言基础
发布人：crazycode
文件格式：.zip
所需积分：2

实例介绍

【实例简介】
【实例截图】

【核心代码】

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using System.Text;
 
namespace System
{
    /// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    {
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.TextBox textBox2;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.TextBox textBox3;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.Button button2;
        /// <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 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.groupBox1 = new System.Windows.Forms.GroupBox();
            this.label1 = new System.Windows.Forms.Label();
            this.textBox1 = new System.Windows.Forms.TextBox();
            this.textBox2 = new System.Windows.Forms.TextBox();
            this.label2 = new System.Windows.Forms.Label();
            this.textBox3 = new System.Windows.Forms.TextBox();
            this.label3 = new System.Windows.Forms.Label();
            this.button1 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.Add(this.textBox3);
            this.groupBox1.Controls.Add(this.label3);
            this.groupBox1.Controls.Add(this.textBox2);
            this.groupBox1.Controls.Add(this.label2);
            this.groupBox1.Controls.Add(this.textBox1);
            this.groupBox1.Controls.Add(this.label1);
            this.groupBox1.Location = new System.Drawing.Point(16, 16);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(288, 112);
            this.groupBox1.TabIndex = 0;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "Win.ini文件信息";
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(16, 32);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(72, 16);
            this.label1.TabIndex = 0;
            this.label1.Text = "软件名称：";
            // 
            // textBox1
            // 
            this.textBox1.Location = new System.Drawing.Point(96, 24);
            this.textBox1.Name = "textBox1";
            this.textBox1.Size = new System.Drawing.Size(168, 21);
            this.textBox1.TabIndex = 1;
            this.textBox1.Text = "";
            // 
            // textBox2
            // 
            this.textBox2.Location = new System.Drawing.Point(96, 48);
            this.textBox2.Name = "textBox2";
            this.textBox2.Size = new System.Drawing.Size(168, 21);
            this.textBox2.TabIndex = 3;
            this.textBox2.Text = "";
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(16, 56);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(72, 16);
            this.label2.TabIndex = 2;
            this.label2.Text = "著作权人：";
            // 
            // textBox3
            // 
            this.textBox3.Location = new System.Drawing.Point(96, 72);
            this.textBox3.Name = "textBox3";
            this.textBox3.Size = new System.Drawing.Size(168, 21);
            this.textBox3.TabIndex = 5;
            this.textBox3.Text = "";
            // 
            // label3
            // 
            this.label3.Location = new System.Drawing.Point(16, 80);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(72, 16);
            this.label3.TabIndex = 4;
            this.label3.Text = "版本号：";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(32, 136);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(120, 23);
            this.button1.TabIndex = 1;
            this.button1.Text = "写入Win.ini文件";
            this.button1.Click  = new System.EventHandler(this.button1_Click);
            // 
            // button2
            // 
            this.button2.Location = new System.Drawing.Point(168, 136);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(120, 23);
            this.button2.TabIndex = 2;
            this.button2.Text = "读取Win.ini文件";
            this.button2.Click  = new System.EventHandler(this.button2_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(320, 174);
            this.Controls.Add(this.button2);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.groupBox1);
            this.MaximizeBox = false;
            this.Name = "Form1";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "演示使用API函数读写WIN.INI文件";
            this.groupBox1.ResumeLayout(false);
            this.ResumeLayout(false);
 
        }
        #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 bool GetProfileString(string lpApplicationName,string lpKeyName,string lpDefault,StringBuilder lpReturnedString,int nSize);
        [DllImport("kernel32")]
        private static extern bool WriteProfileString(string lpApplicationName,string lpKeyName,string lpString);
         
         
        private void button1_Click(object sender, System.EventArgs e)
        {//写入Win.ini文件
            try
            {
                WriteProfileString("演示程序","软件名称",this.textBox1.Text);
                WriteProfileString("演示程序","著作权人",this.textBox2.Text);
                WriteProfileString("演示程序","版本号",this.textBox3.Text);
                MessageBox.Show("写入Win.ini文件操作成功！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
            }
            catch(Exception Err)
            {
                MessageBox.Show("写入Win.ini文件操作失败！" Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
            }
        }
 
        private void button2_Click(object sender, System.EventArgs e)
        {//读取Win.ini文件
            StringBuilder MyString=new StringBuilder(256);
            GetProfileString("演示程序","软件名称","",MyString,256);
            this.textBox1.Text=MyString.ToString();
            GetProfileString("演示程序","著作权人","",MyString,256);
            this.textBox2.Text=MyString.ToString();
            GetProfileString("演示程序","版本号","",MyString,256);
            this.textBox3.Text=MyString.ToString();
        }
 
     
    }
}

标签： API C# 系统

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C# 调用系统API读写文件数据( GetProfileString)

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