savefiledialog用法python_openfiledialog选择文件夹

public TestOne()   
{   
     InitializeComponent();   
     SaveFileDialog();//调用打开保存对话框   
}  


#region 保存对话框

private void SaveFileDialog()
{
      //string localFilePath, fileNameExt, newFileName, FilePath;   
      SaveFileDialog saveFileDialog1 = new SaveFileDialog();  

      //设置文件类型   
      saveFileDialog1.Filter = " txt files(*.txt)|*.txt|All files(*.*)|*.*";

      //设置默认文件类型显示顺序   
      saveFileDialog1.FilterIndex = 2;

      //保存对话框是否记忆上次打开的目录   
      saveFileDialog1.RestoreDirectory = true;

      //点了保存按钮进入   
      if (saveFileDialog1.ShowDialog() == DialogResult.OK)
      {
           //获得文件路径   
           //localFilePath = saveFileDialog1.FileName.ToString();  

           //获取文件名，不带路径   
           //fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1);  

           //获取文件路径，不带文件名   
           //FilePath = localFilePath.Substring(0, localFilePath.LastIndexOf("\\"));  

           //给文件名前加上时间   
           //newFileName = DateTime.Now.ToString("yyyyMMdd") + fileNameExt;  

           //在文件名里加字符   
           //saveFileDialog1.FileName.Insert(1,"dameng");  

           System.IO.FileStream fs = (System.IO.FileStream)saveFileDialog1.OpenFile();//输出文件  

           //fs输出带文字或图片的文件，就看需求了 
                 
       }
    }

 #endregion