Winform中,SaveFileDialog保存文件的时候为什么不能新建
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "文本文件(*.txt)|*.txt";
sfd.CheckPathExists = true;
sfd.CheckFileExists = true;
sfd.AddExtension = true;
sfd.CreatePrompt = true;
try
{
if (sfd.ShowDialog() == DialogResult.OK)
{
FileStream fs = File.OpenWrite(sfd.FileName);
StreamWriter sw = new StreamWriter(fs, Encoding.Default);
sw.WriteLine(textBox1.Text);
sw.Close();
}
}
代码如上,只可以覆盖不能够新建