如何在C＃中读写INI文件（五）

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 )

        {

               StringBuilder temp = new StringBuilder ( 255 ) ;

               string FileName = textBox1.Text ;

               string section = textBox2.Text ;

               string key = textBox3.Text ;

               int i = GetPrivateProfileString ( section , key ,

               "无法读取对应数值！" , emp , 255 , FileName ) ;

               //显示读取的数值

                       textBox4.Text = temp.ToString  ( ) ;

               }

        }

}

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