C#:写日志

/// <summary>
/// 将message的内容写入日志文件
/// </summary>
/// <param name="msg"></param>
public static void WriteLog(string msg)
{
string path = Application.StartupPath + "\\logFile";
File.AppendAllText(path, string.Format("[{0}] : {1}{2}", DateTime.Now, msg, Environment.NewLine));
}