Another way to achieve what you want is using a specialized TextWriter that writes the StreamWriter and a StringBuilder:
using (StreamWriter _logFile = File.CreateText(_logFileName))
{
using (var builder = new StringBuildingStreamWriter(_logFile))
{
builder.WriteLine("Logfile name is: " + _logFileName);
builder.WriteLine("LOG FILE STARTED AT: " + _startDateTime.ToString());
builder.WriteLine("============================================");
builder.Write(_message);
builder.WriteLine();
content += builder.ToString();
}
_logFile.Close();
}
public class StringBuildingStreamWriter:TextWriter
{
StringBuilder sb = new StringBuilder();
private StreamWriter sw;
public StringBuildingStreamWriter(StreamWriter sw)
{
this.sw = sw;
}
public override void WriteLine(string value)
{
sb.AppendLine(value);
sw.WriteLine(value);
}
public override void WriteLine()
{
sw.WriteLine();
sb.AppendLine();
}
public override void Write(string value)
{
sb.Append(value);
sw.Write(value);
}
public override string ToString()
{
return sb.ToString();
}
public override Encoding Encoding
{
get { return UTF8Encoding.UTF8; }
}
}