Editing Container Objects

/* This example shows how to edit a container object 
this example assumes that the container limits are at least { 10, 10, 300, 200 } */ 
L_INT EditObjectTest(pCONTAINERHANDLE pContainer) 
{ 
   if (SUCCESS == L_ContainerIsValid(pContainer)) /* check the validity of container handle */ 
   { 
      CONTAINEROBJECTDATA Data; 
      CONTAINERPOLYLINEDATA   PolyData; 
      VECTORPOINT pt[7]; 
      /* Set the Polyline points to some random numbers */ 
      pt[0].x = 10;   pt[0].y = 10; 
      pt[1].x = 80;   pt[1].y = 20; 
      pt[2].x = 100; pt[2].y = 60; 
      pt[3].x = 10;   pt[3].y = 40; 
      pt[4].x = 100; pt[4].y = 200; 
      pt[5].x = 200; pt[5].y = 100; 
      pt[6].x = 300; pt[6].y = 200; 
      /*Fill the object data with valid values */ 
      PolyData.pvptPoints = pt; 
      PolyData.nPointCount = 7; 
      /* Set the container's object data */ 
      Data.nSize = sizeof(CONTAINEROBJECTDATA); 
      Data.nObjectType = CONTAINER_OBJECT_TYPE_POLYLINE; 
      Data.pObjectData = &PolyData; 
      /* Start editing an object */ 
      /* Double click the left-mouse button to end editing */ 
      /* Click right-mouse button to abort editing */ 
      if (SUCCESS != L_ContainerEditObject(pContainer, &Data)) 
      { 
         return FAILURE; 
      } 
      return SUCCESS; 
   } 
   else 
   { 
      return FAILURE; 
   } 
}