这篇文章主要为大家详细介绍了如何利用C#实现读写ini配置文件操作，文中的示例代码讲解详细，对我们学习C#有一定的帮助，感兴趣的小伙伴可以了解一下！
实践过程
效果
代码
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
[DllImport("kernel32")]
private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
public static void IniWriteValue(string section, string key, string value, string path)
{
WritePrivateProfileString(section, key, value, path);
}
string strg;
private void Form1_Load(object sender, EventArgs e)
{
strg = Application.StartupPath.ToString();
strg = strg.Substring(0, strg.LastIndexOf("\\"));
strg = strg.Substring(0, strg.LastIndexOf("\\"));
strg += @"\Test.ini";
}
private void button2_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text != "" && textBox2.Text != "" && textBox3.Text != "")
{
IniWriteValue(textBox1.Text.Trim(),textBox2.Text.Trim(),textBox3.Text.Trim(),strg);
MessageBox.Show("写入成功");
}
}
}
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (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.button1 = new System.Windows.Forms.Button();
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.button2 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(23, 161);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 0;
this.button1.Text = "写入";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(21, 25);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(53, 12);
this.label1.TabIndex = 1;
this.label1.Text = "节 点：";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(97, 22);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 21);
this.textBox1.TabIndex = 2;
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(97, 63);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(100, 21);
this.textBox2.TabIndex = 4;
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(21, 66);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(53, 12);
this.label2.TabIndex = 3;
this.label2.Text = "属 性：";
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(97, 104);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(100, 21);
this.textBox3.TabIndex = 6;
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(21, 107);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(53, 12);
this.label3.TabIndex = 5;
this.label3.Text = "属性值：";
//
// button2
//
this.button2.Location = new System.Drawing.Point(104, 161);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 7;
this.button2.Text = "取消";
this.button2.UseVisualStyleBackColor = true;
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(221, 206);
this.Controls.Add(this.button2);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.label3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Button button1;
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 button2;
}
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
string strg;
[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath);
public static string IniReadValue(string section, string key, string path)
{
StringBuilder temp = new StringBuilder(255);
int i = GetPrivateProfileString(section, key, "", temp, 255, path);
return temp.ToString();
}
private void Form1_Load(object sender, EventArgs e)
{
strg = Application.StartupPath.ToString();
strg = strg.Substring(0, strg.LastIndexOf("\\"));
strg = strg.Substring(0, strg.LastIndexOf("\\"));
strg += @"\Test.ini";
}
private void button2_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void button1_Click(object sender, EventArgs e)
{
textBox3.Text = IniReadValue(textBox1.Text.Trim(),textBox2.Text.Trim(),strg);
}
}
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (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.button2 = new System.Windows.Forms.Button();
this.textBox3 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// button2
//
this.button2.Location = new System.Drawing.Point(101, 153);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 15;
this.button2.Text = "取消";
this.button2.UseVisualStyleBackColor = true;
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(94, 96);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(100, 21);
this.textBox3.TabIndex = 14;
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(18, 99);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(53, 12);
this.label3.TabIndex = 13;
this.label3.Text = "属性值：";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(94, 55);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(100, 21);
this.textBox2.TabIndex = 12;
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(18, 58);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(53, 12);
this.label2.TabIndex = 11;
this.label2.Text = "属 性：";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(94, 14);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 21);
this.textBox1.TabIndex = 10;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(18, 17);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(53, 12);
this.label1.TabIndex = 9;
this.label1.Text = "节 点：";
//
// button1
//
this.button1.Location = new System.Drawing.Point(20, 153);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 8;
this.button1.Text = "读取";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(214, 200);
this.Controls.Add(this.button2);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.label3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Button button2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button button1;
}