OpenFileDialog

 

打开一个文件

private void button1_Click(object sender, EventArgs e)         {             openFileDialog1.InitialDirectory = "c:\\";             openFileDialog1.Filter = "文本文件 (*.txt)|*.txt|All files (*.*)|*.*";             if (openFileDialog1.ShowDialog() == DialogResult.OK)             {                 label1.Text = openFileDialog1.FileName;                 System.IO.StreamReader str = new System.IO.StreamReader(openFileDialog1.FileName);                 textBox1.Text = str.ReadToEnd();                 str.Close();             }         }

 

 

 

打开多个文件

private void button1_Click(object sender, EventArgs e)         {             OpenFileDialog openFileDialog1 = new OpenFileDialog();             openFileDialog1.Multiselect = true;             if (openFileDialog1.ShowDialog()==DialogResult.OK)             {                 foreach (var FileName in openFileDialog1.FileNames)                 {                     listView1.Items.Add(FileName);                 }             }         }

来自为知笔记(Wiz)