using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;using System.IO;namespace Ex16_07{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { FileStream c = new FileStream("C:\\desck.ini",FileMode.OpenOrCreate,FileAccess.Write); } //********************* //C#申明INI文件的写操作函数WritePrivateProfileString(): [ DllImport ( "kernel32" ) ] private static extern long WritePrivateProfileString ( string section ,string key , string val , string filePath ) ; //参数说明:section:INI文件中的段落;key:INI文件中的关键字;val:INI文件中关键字的数值;filePath:INI文件的完整的路径和名称。 [DllImport("kernel32")] private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath); // //参数说明:section:INI文件中的段落名称;key:INI文件中的关键字;def:无法读取时候时候的缺省数值;retVal:读取数值;size:数值的大小;filePath:INI文件的完整路径和名称。 private void button1_Click(object sender, EventArgs e) { StringBuilder temp = new StringBuilder(200); string FileName = "C:\\desck.ini";//NI文件的完整的路径和名称。 foreach (object ct in Controls) { if (ct.GetType().ToString() == "System.Windows.Forms.TextBox") { TextBox tx = (TextBox)ct; if (tx.Text == "") { MessageBox.Show(tx.Tag.ToString() "不能为空"); }// }// }// string section = textBox3.Text;//INI文件中的段落 string key = textBox1.Text;//INI文件中的关键字 string keyValue = textBox2.Text;//INI文件中的关键字 int i = GetPrivateProfileString(section, key, "无法读取对应数值!", temp, 200, FileName);//判断是否注册过 if (temp.ToString() == "无法读取对应数值!") { WritePrivateProfileString(section, key, keyValue, FileName); MessageBox.Show("注册成功写入INI文件!", "信息"); } else { MessageBox.Show("此信息已注册过了"); } } private void button2_Click(object sender, EventArgs e) { Application.Exit(); } }}
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