1         private void btNet_Click(object sender, EventArgs e){
2             fB.Description = "选择你要把.NET解释部署到哪个目录它必须是站点根目录或者子级目录";
3             fB.SelectedPath = Application.StartupPath + "wwwroot";
4             do{
5                 fB.SelectedPath = tbnet.Text;
6                 if (fB.ShowDialog().GetHashCode() == 1){
7                     if (fB.SelectedPath.Contains(tbRoot.Text)){
8                         tbnet.Text = fB.SelectedPath;
9                     }else if (MessageBox.Show("必须是站点主目录的平级目录或者子级目录", ".NET作用无法达到", MessageBoxButtons.RetryCancel, MessageBoxIcon.Information).GetHashCode() == 4){
10                         continue;
11                     }else{
12                         break;
13                     }
14                 }else{
15                     break;
16                 }
17             }while (fB.SelectedPath.Contains(tbRoot.Text) == false);{
18                 tbnet.Text = tbRoot.Text;
19             }
20         }

补充：软件开发 , C# ,

C# 目录必须是上个文本框的子级目录