LVectorPolyDraw::LVectorPolyDraw(pPolyDraw = NULL)
LVectorPolyDraw::LVectorPolyDraw(pObject, pVector =NULL)
Constructs and initializes the different member variables of the LVectorPolyDraw object.
Pointer to a VECTORPOLYDRAW structure that contains information used to create and initialize the new vector polydraw object.
Pointer to a VECTOROBJECT structure that contains information used to create and initialize the new vector polydraw object.
Pointer to an LVectorBase object with which the newly constructed vector polydraw object will be associated.
LVectorPolyDraw::LVectorPolyDraw(pObject, pVector=NULL) creates an LVectorPolyDraw object based on the information provided in pObject and associates the newly created LVectorPolyDraw 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 LVectorPolyDraw object using the LVectorPolyDraw::LVectorPolyDraw(pObject, pVector=NULL) constructor. For example:
//pObject->nType == type other than VECTOR_POLYDRAW
//LVectorBase *pVector is valid
LVectorPolyDraw MyVectorPolyDraw(pObject, pVectorBase);
if (MyVectorPolyDraw.IsTypeValid() == FALSE)
MessageBox(NULL, TEXT("Invalid Vector Object"), TEXT(""), MB_OK);
Required DLLs and Libraries
For an example for LVectorPolyDraw::LVectorPolyDraw(pPolyDraw), refer to LVectorPolyDraw::LockObject.
For an example for LVectorPolyDraw::LVectorPolyDraw(pObject, pVector=NULL), refer to LVectorArc::LVectorArc(pObject, pVector = NULL).
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