【原】c# 文件另存为对话框

                Stream myStream;

                SaveFileDialog saveFileDialog1 = new  SaveFileDialog();



                saveFileDialog1.Filter = "txt files   (*.txt)|*.txt";

                saveFileDialog1.FilterIndex = 2;

                saveFileDialog1.RestoreDirectory = true;



                if (saveFileDialog1.ShowDialog() == DialogResult.OK)

                {

                    if ((myStream = saveFileDialog1.OpenFile()) != null)

                    {

                        using (StreamWriter sw = new StreamWriter(myStream))

                        {

                            sw.Write("this is the text");

                        }

                        

                        myStream.Close();

                        MessageBox.Show("Saved");

                    }

                } 

 

 

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