如何在C＃中读写INI文件（四）

this.button2.TabIndex = 3 ;

        this.button2.Text = "写入INI文件" ;

        this.button2.Click += new System.EventHandler ( this.button2_Click ) ;

        this.textBox2.Location = new System.Drawing.Point ( 160 , 62 ) ;

        this.textBox2.Name = "textBox2" ;

        this.textBox2.Size = new System.Drawing.Size ( 176 , 21 ) ;

        this.textBox2.TabIndex = 5 ;

        this.textBox2.Text = "" ;

        this.textBox3.Location = new System.Drawing.Point ( 160 , 94 ) ;

        this.textBox3.Name = "textBox3" ;

        this.textBox3.Size = new System.Drawing.Size ( 176 , 21 ) ;

        this.textBox3.TabIndex = 6 ;

        this.textBox3.Text = "" ;

        this.textBox4.Location = new System.Drawing.Point ( 160 , 128 ) ;

        this.textBox4.Name = "textBox4" ;

        this.textBox4.Size = new System.Drawing.Size ( 176 , 21 ) ;

        this.textBox4.TabIndex = 7 ;

        this.textBox4.Text = "" ;

        this.label1.Location = new System.Drawing.Point ( 56 , 62 ) ;

        this.label1.Name = "label1" ;

        this.label1.TabIndex = 8 ;

        this.label1.Text = "段落名称：" ;

        this.label2.Location = new System.Drawing.Point ( 66 , 96 ) ;

        this.label2.Name = "label2" ;

        this.label2.TabIndex = 9 ;

        this.label2.Text = "关键字：" ;

        this.label3.Location = new System.Drawing.Point ( 42 , 130 ) ;

        this.label3.Name = "label3" ;

        this.label3.TabIndex = 10 ;

        this.label3.Text = "关键字数值：" ;

        this.button3.FlatStyle = System.Windows.Forms.FlatStyle.Flat ;

        this.button3.Location = new System.Drawing.Point ( 208 , 168 ) ;

        this.button3.Name = "button3" ;

        this.button3.Size = new System.Drawing.Size ( 98 , 30 ) ;

        this.button3.TabIndex = 11 ;

        this.button3.Text = "读取INI数值" ;

        this.button3.Click += new System.EventHandler ( this.button3_Click ) ;

        this.openFileDialog1.Filter = "INI 文件|*.ini" ;

        this.AutoScaleBaseSize = new System.Drawing.Size ( 6 , 14 ) ;

        this.ClientSize = new System.Drawing.Size ( 366 , 217 ) ;

        this.Controls.AddRange ( new System.Windows.Forms.Control [ ] {

                 this.button3 ,

                 this.textBox4 ,

                 this.textBox3 ,

                 this.textBox2 ,

                 this.button2 ,

                 this.textBox1 ,

                 this.button1 ,

                 this.label3 ,

          this.label2 ,

                 this.label1 } ) ;

        this.MaximizeBox = false ;

        this.Name = "Form1" ;

        this.Text = "C＃操作INI文件--写操作" ;

        this.ResumeLayout ( false ) ;

        }

        [STAThread]

        static void Main ( ) 

        {

               Application.Run ( new Form1 ( )  ) ;

        }

        private void button1_Click ( object sender , System.EventArgs e )

        {

               openFileDialog1.ShowDialog ( ) ;

               textBox1.Text = openFileDialog1.FileName ;

        }

        //写入INI文件

        private void button2_Click ( object sender , System.EventArgs e )

        {

               string FileName = textBox1.Text ;

               string section = textBox2.Text ;

               string key = textBox3.Text ;

               string keyValue = textBox4.Text ;

               WritePrivateProfileString ( section , key , keyValue , FileName ) ;

               MessageBox.Show  ( "成功写入INI文件！" , "信息" ) ;

        }

        //读取指定INI文件的特定段落中的关键字的数值

        private void button3_Click ( object sender , System.EventArgs e )

        {

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