C#文件选择form实例

实例：

winform中选择一个文件并且能够读取到txt文件中的具体内容，主要熟悉winform的文件选择的相关操作。

 namespace flieselect
{
 public partial class FormMain : Form
 {
 public FormMain()
 {
 InitializeComponent();
 }
 private void button1_Click(object sender, EventArgs e)
 { //打开文件对话框
 OpenFileDialog of = new OpenFileDialog();
 //选择框标题
 of.Title = "请选择文件";
 //设置可多选
 of.Multiselect = true;
 //设置对话框起始目录
 of.InitialDirectory = @"D:\";
 //文件类型筛选字符串
 of.Filter = "所有文件|*.*|文本文件|*.txt|视频文件|*.wav";
 //展示对话框
  if (of.ShowDialog() ==DialogResult.OK )
 {
 string path = of.FileName;
 this.textBox2.Text = of.FileName;
 FileStream fs = new FileStream(path, FileMode.Open);
 StreamReader sr = new StreamReader(fs);
 this.textBox1.Text = sr.ReadToEnd();
 sr.Close();
 fs.Close();
 }
 }
}