public PixEvent(string eventName = "...")
{
StackTrace st = new StackTrace();
StackFrame sf = st.GetFrame(1);
string clsName = new string( sf.GetMethod().DeclaringType.Name.Where(ch => char.IsUpper(ch)).ToArray());
SafeNativeMethods._BeginEvent(0, clsName + "." + sf.GetMethod().Name + " - " + eventName);
}