#include "ltwrappr.h"
LVectorPolygon::LVectorPolygon(pPolygon = NULL)
LVectorPolygon::LVectorPolygon(pObject, pVector =NULL)
pVECTORPOLYGON pPolygon; |
pointer to a VECTORPOLYGON structure |
pVECTOROBJECT pObject; |
pointer to a VECTOROBJECT structure |
LVectorBase *pVector; |
pointer to an LVectorBase object |
Constructs and initializes the different member variables of the LVectorPolygon object.
Parameter |
Description |
pPolygon |
Pointer to a VECTORPOLYGON structure that contains information used to create and initialize the new vector polygon object. |
pObject |
Pointer to a VECTOROBJECT structure that contains information used to create and initialize the new vector chord object. |
pVector |
Pointer to an LVectorBase object with which the newly constructed vector chord object will be associated. |
None
LVectorPolygon::LVectorPolygon(pPolygon) is a constructor for the LVectorPolygon object. It takes a valid pVECTORPOLYGONpointer and creates an LVectorPolygon object.
LVectorPolygon::LVectorPolygon(pObject, pVector=NULL) creates an LVectorPolygon object based on the information provided in pObject and associates the newly created LVectorPolygon object with the specified LVectorBase object. This constructor can be used with the LVectorLayer::EnumObjects function, which returns a valid pVECTOROBJECT pointer in the LVectorLayer::EnumObjectsCallBack member function. It can also be used with LVectorBase::VectorEventProcCallBack, which can also return a pObject.
Note that it is possible to construct an invalid LVectorPolygon object using the LVectorPolygon::LVectorPolygon(pObject, pVector=NULL) constructor. For example:
//pObject->nType == type other than VECTOR_POLYGON
//LVectorBase *pVector is valid
LVectorPolygon MyVectorPolygon(pObject, pVectorBase);
if (MyVectorPolygon.IsTypeValid() == FALSE)
MessageBox(NULL, TEXT("Invalid Vector Object"), TEXT(""), MB_OK);
Required DLLs and Libraries
LVKRN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Functions: |
For an example for LVectorPolygon::LVectorPolygon(pPolygon), refer to LVectorPolygon::LockObject. For an example for LVectorPolygon::LVectorPolygon(pObject, pVector=NULL), refer to LVectorArc::LVectorArc(pObject, pVector = NULL).