学步园

private void button1_Click(object sender, System.EventArgs e)<br /> {<br /> Stream myStream = null;<br /> OpenFileDialog openFileDialog1 = new OpenFileDialog();</p> <p> openFileDialog1.InitialDirectory = "c:\\" ;<br /> openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*" ;<br /> openFileDialog1.FilterIndex = 2 ;<br /> openFileDialog1.RestoreDirectory = true ;</p> <p> if(openFileDialog1.ShowDialog() == DialogResult.OK)<br /> {<br /> try<br /> {<br /> if ((myStream = openFileDialog1.OpenFile()) != null)<br /> {<br /> using (myStream)<br /> {<br /> // Insert code to read the stream here.<br /> }<br /> }<br /> }<br /> catch (Exception ex)<br /> {<br /> MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);<br /> }<br /> }<br /> }