C# winform 窗体弹出选择目录或文件 的对话框

privatevoid btnSelectPath_Click(object sender, EventArgs e) //弹出一个选择目录的对话框
 {
    FolderBrowserDialog path = new FolderBrowserDialog();
    path.ShowDialog();
this.txtPath.Text = path.SelectedPath;
 }

privatevoid btnSelectFile_Click(object sender, EventArgs e) //弹出一个选择文件的对话框
 {
    OpenFileDialog file = new OpenFileDialog();
    file.ShowDialog();
this.txtFile.Text = file.SafeFileName;
 }