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Enumerates all groups inside the class object's associated vector handle.
#include "ltwrappr.h"
virtual L_INT LVectorBase::EnumGroups()
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
The LVectorBase::EnumGroups function calls the LVectorBase::EnumGroupsCallback function as it gets a pointer to each vector group.
To use the LVectorBase::EnumGroupsCallBack function, you must derive a class from LVectorBase and override the LVectorBase::EnumGroupsCallBack member function.
This example enumerates through all groups in a vector.
#ifdef LMyVectorBase5class LMyVectorBase5: public LVectorBase{public:L_INT m_nGroupCount ;public:LMyVectorBase5() {m_nGroupCount=0;};virtual ~LMyVectorBase5(){};virtual L_INT EnumGroupsCallBack(pVECTORHANDLE pVector, pVECTORGROUP pGroup);};#endif // #ifdef LMyVectorBase5L_INT LMyVectorBase5::EnumGroupsCallBack(pVECTORHANDLE pVector, pVECTORGROUP pGroup){UNREFERENCED_PARAMETER(pVector);LVectorGroup VectorGroup(pGroup, this);L_TCHAR szMsg[100];m_nGroupCount++;VECTORGROUPDESC GroupDesc;VectorGroup.GetGroupDesc(&GroupDesc);wsprintf(szMsg, TEXT("Group\nName[%s]\nSize[%d]"),GroupDesc.szName,GroupDesc.nSize);MessageBox(NULL, szMsg, TEXT(""), MB_OK);return SUCCESS ;//...LVectorGroup destructor called when VectorGroup goes out of scope}L_INT LVectorBase__EnumGroupsExample(HWND hWnd, LMyVectorBase5 *pMyVector){UNREFERENCED_PARAMETER(hWnd);L_INT nRet;LMyVectorBase5 MyVector;L_TCHAR szMsg[100];pMyVector->m_nGroupCount=0;pMyVector->EnableCallBack(TRUE);nRet = pMyVector->EnumGroups();if(nRet != SUCCESS)return nRet;wsprintf(szMsg, TEXT("Total Groups[%d]"), pMyVector->m_nGroupCount);MessageBox(NULL, szMsg, TEXT(""), MB_OK);return SUCCESS;}