winform 实现选择文件和选择文件夹对话框的简单实例

//选择文件，点击【浏览】，选择文件

privatevoidbutton1_Click(objectsender, EventArgs e)

{

  OpenFileDialog openFileDialog1 =newOpenFileDialog();  //显示选择文件对话框

  openFileDialog1.InitialDirectory ="c:\";

  openFileDialog1.Filter ="txt files (*.txt)|*.txt|All files (*.*)|*.*";

  openFileDialog1.FilterIndex = 2;

  openFileDialog1.RestoreDirectory =true;

  if(openFileDialog1.ShowDialog() == DialogResult.OK)

  {

    this.textBox1.Text = openFileDialog1.FileName;    //显示文件路径

  }

}

//选择文件夹：点击【浏览】，选择文件夹

privatevoidbutton4_Click(objectsender, EventArgs e)

{

  if(this.folderBrowserDialog1.ShowDialog() == DialogResult.OK)

  {

    if(this.folderBrowserDialog1.SelectedPath.Trim() !="")

      this.textBox4.Text =this.folderBrowserDialog1.SelectedPath.Trim();

  }

}