private void setitem(int index, D3DMaterial val)
 {
     IronSightEnginePINVOKE.D3DMaterialVector_setitem(swigCPtr, index, D3DMaterial.getCPtr(val));
     if (IronSightEnginePINVOKE.SWIGPendingException.Pending)
     {
         throw IronSightEnginePINVOKE.SWIGPendingException.Retrieve();
     }
 }