C# Create Text File And Write Content And Read Content

createfileandwrite.cs

public void CreateFileaAndWrite()
        {
            // get path
            string filepath = @"textfile.txt";
            // open or create file
            FileStream streamfile = new FileStream(filepath, FileMode.OpenOrCreate, FileAccess.Write);
            // create stream writer
            StreamWriter streamwrite = new StreamWriter(streamfile);
            // add some lines
            streamwrite.WriteLine("Forbidden speak in this line.");
            streamwrite.WriteLine("Forbidden be quiet in this line.");
            streamwrite.WriteLine("Sleeping in this line may only be possible by silence of the second line.");
            streamwrite.WriteLine("Your custom text");
            // clear streamwrite data
            streamwrite.Flush();
            // close stream writer
            streamwrite.Close();
            // close stream file
            streamfile.Close();
        }

readfile.cs

public void ReadFile()
        {
            // get path
            string filepath = @"textfile.txt";
            // open file
            FileStream streamfile = new FileStream(filepath, FileMode.Open, FileAccess.Read);
            // create stream reader
            StreamReader streamreader = new StreamReader(streamfile);
            // reads to end of file
            string content = streamreader.ReadToEnd();
            // close stream reader
            streamreader.Close();
            // close stream file
            streamfile.Close();

            MessageBox.Show(content, "File Content:", MessageBoxButton.OK, MessageBoxImage.Information);
        }