Available in LEADTOOLS Vector Imaging toolkits. |
LVectorGroup::EnumObjects
#include "ltwrappr.h"
virtual L_INT LVectorGroup::EnumObjects (dwFlags)
L_UINT32 dwFlags; |
/* flags */ |
Enumerates all objects inside the vector group object.
Parameter |
Description |
|
dwFlags |
Flag that indicates which objects to enumerate. Possible values are: |
|
|
Value |
Meaning |
|
0 |
Enumerate all objects in the group. |
|
VECTOR_FLAGS_SELECTED_ONLY |
Enumerate only selected objects in the group. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
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. |
See Also
Functions: |
LVectorGroup::EnumObjectsCallBack, LVectorBase::EnumVertices |
Topics: |
Example
This example displays the total number of objects in each group in a vector.
class LMyVectorGroup1: public LVectorGroup { public: L_INT m_nObjectCount ; public: LMyVectorGroup1() {m_nObjectCount=0;}; virtual ~LMyVectorGroup1(){}; virtual L_INT EnumObjectsCallBack( pVECTORHANDLE pVector, pVECTOROBJECT pObject); }; L_INT LMyVectorGroup1::EnumObjectsCallBack( pVECTORHANDLE pVector, pVECTOROBJECT pObject) { UNREFERENCED_PARAMETER(pVector); UNREFERENCED_PARAMETER(pObject); m_nObjectCount++; return SUCCESS; } L_INT LVectorGroup__EnumObjectsExample(HWND hWnd, LVectorBase *pVector) { L_INT nRet; L_INT i; for (i=0; i<pVector->GetGroupCount(); i++) { LMyVectorGroup1 VectorGroup; L_TCHAR szMsg[200]; nRet = pVector->GetGroupByIndex(i, &VectorGroup); if(nRet != SUCCESS) return nRet; VectorGroup.m_nObjectCount = 0; VectorGroup.EnableCallBack(TRUE); VectorGroup.EnumObjects(); wsprintf(szMsg, TEXT("Group[%d]: Total Objects[%d]"), i, VectorGroup.m_nObjectCount); MessageBox(hWnd, szMsg, TEXT(""), MB_OK); } return SUCCESS; }