UnityEngine.EventSystems.Physics2DRaycaster.Raycast C# (CSharp) Method

        public override void Raycast(PointerEventData eventData, List<RaycastResult> resultAppendList)
        {
            if (this.eventCamera != null)
            {
                Ray ray = this.eventCamera.ScreenPointToRay((Vector3) eventData.position);
                float distance = this.eventCamera.farClipPlane - this.eventCamera.nearClipPlane;
                RaycastHit2D[] hitdArray = Physics2D.RaycastAll(ray.origin, ray.direction, distance, base.finalEventMask);
                if (hitdArray.Length != 0)
                {
                    int index = 0;
                    int length = hitdArray.Length;
                    while (index < length)
                    {
                        SpriteRenderer component = hitdArray[index].collider.gameObject.GetComponent<SpriteRenderer>();
                        RaycastResult item = new RaycastResult {
                            gameObject = hitdArray[index].collider.gameObject,
                            module = this,
                            distance = Vector3.Distance(this.eventCamera.transform.position, hitdArray[index].transform.position),
                            worldPosition = (Vector3) hitdArray[index].point,
                            worldNormal = (Vector3) hitdArray[index].normal,
                            screenPosition = eventData.position,
                            index = resultAppendList.Count,
                            sortingLayer = (component == null) ? 0 : component.sortingLayerID,
                            sortingOrder = (component == null) ? 0 : component.sortingOrder
                        };
                        resultAppendList.Add(item);
                        index++;
                    }
                }
            }
        }
    }

 static public int Raycast(IntPtr l)
 {
     try {
                     #if DEBUG
         var    method     = System.Reflection.MethodBase.GetCurrentMethod();
         string methodName = GetMethodName(method);
                     #if UNITY_5_5_OR_NEWER
         UnityEngine.Profiling.Profiler.BeginSample(methodName);
                     #else
         Profiler.BeginSample(methodName);
                     #endif
                     #endif
         UnityEngine.EventSystems.Physics2DRaycaster self = (UnityEngine.EventSystems.Physics2DRaycaster)checkSelf(l);
         UnityEngine.EventSystems.PointerEventData   a1;
         checkType(l, 2, out a1);
         System.Collections.Generic.List <UnityEngine.EventSystems.RaycastResult> a2;
         checkType(l, 3, out a2);
         self.Raycast(a1, a2);
         pushValue(l, true);
         return(1);
     }
     catch (Exception e) {
         return(error(l, e));
     }
             #if DEBUG
     finally {
                     #if UNITY_5_5_OR_NEWER
         UnityEngine.Profiling.Profiler.EndSample();
                     #else
         Profiler.EndSample();
                     #endif
     }
             #endif
 }