BuildTimerCallbackMethodName.cs

private string BuildTimerCallbackMethodName(ClrRuntime runtime, ulong timerCallbackRef)
{
    var heap = runtime.GetHeap();
    var methodPtr = GetFieldValue(heap, timerCallbackRef, "_methodPtr");
    if (methodPtr != null)
    {
        ClrMethod method = runtime.GetMethodByAddress((ulong)(long)methodPtr);
        if (method != null)
        {
            // figure out the real callback implementor type thanks to _target
            string thisTypeName = "?";
            var thisPtr = GetFieldValue(heap, timerCallbackRef, "_target");
            if ((thisPtr != null) && ((ulong) thisPtr) != 0)
            {
                ulong thisRef = (ulong) thisPtr;
                var thisType = heap.GetObjectType(thisRef);
                if (thisType != null)
                {
                    thisTypeName = thisType.Name;
                }
            }
            else
            {
                thisTypeName = (method.Type != null) ? method.Type.Name : "?";
            }
            return string.Format("{0}.{1}", thisTypeName, method.Name);
        }
    }
    return string.Empty;
}