c# - SaveFileDialog -(文件路径)不存在。验证是否给出了正确的文件名

Question

我想保存一个新的文件名，但现在我只能保存重写文件。每次我尝试保存新文件名时，都会出现一个带有警告对话框的消息框:

(File path) does not exist. Verify that the correct file name was given."

下面是我的代码，谁能指出遗漏了什么？谢谢。

private void button5_Click(object sender, EventArgs e)
{
    SaveFileDialog saveFileDialog1 = new SaveFileDialog();
    saveFileDialog1.Title = "Save File";
    saveFileDialog1.CheckFileExists = true;
    saveFileDialog1.CheckPathExists = true;
    saveFileDialog1.Filter = "Text files (*.txt)|*.txt| CONF(*.conf)|*.conf|All files (*.*)|*.*";
    saveFileDialog1.FilterIndex = 2;
    saveFileDialog1.ShowDialog();

    if (saveFileDialog1.FileName != "")
    {
        // Saves the Image via a FileStream created by the OpenFile method.  
        System.IO.FileStream fs = (System.IO.FileStream)saveFileDialog1.OpenFile();
        // Saves the Image in the appropriate ImageFormat based upon the  
        // File type selected in the dialog box.  
        // NOTE that the FilterIndex property is one-based.  
        switch (saveFileDialog1.FilterIndex)
        {
            case 1:
                saveFileDialog1.FileName = saveFileDialog1.FileName + ".txt";
                break;
            case 2:
                saveFileDialog1.FileName = saveFileDialog1.FileName + ".conf";
                break;
            default:
                saveFileDialog1.FileName = saveFileDialog1.FileName + ".txt";
                break;
        }

        fs.Close();
    }
}

Answer 1

你需要设置CheckFileExists和 CheckPathExists为 false 以防止对话框检查文件是否存在，否则如果用户指定路径，对话框将显示警告:

saveFileDialog1.CheckFileExists = false;
saveFileDialog1.CheckPathExists = false;