C# FolderBrowserDialog和OpenFileDialog 使用 指定目录和指定文件

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1
{
public partial class SelectFolder : Form
{
public SelectFolder()
{
InitializeComponent();
}

private void btnSelectPath_Click(object sender, EventArgs e)
{
FolderBrowserDialog path = new FolderBrowserDialog();
path.ShowDialog();
this.txtPath.Text = path.SelectedPath;
}

private void btnSelectFile_Click(object sender, EventArgs e)
{
OpenFileDialog file = new OpenFileDialog();
file.ShowDialog();
this.txtFile.Text = file.SafeFileName;
}

}
}