form1.cs

150个经典的入门学习程序源代码

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using System.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);
		}
	}
}