Get calling mathod name C#

GetCallingMethodName.cs

internal class Helpers
{
  internal string GetCallingMethodName()
  {
    string result = "unknown";
    StackTrace trace = new StackTrace(false);
    for (int i = 0; i < trace.FrameCount; i++)
    {
      StackFrame frame = trace.GetFrame(i);
      MethodBase method = frame.GetMethod();
      Type dt = method.DeclaringType;
      if (!typeof(ILogger).IsAssignableFrom(dt) && method.DeclaringType.Namespace != "DiagnosticsLibrary")
      {
        result = string.Concat(method.DeclaringType.FullName, ".", method.Name);
        break;
      }
    }
    return result;
  }
}