References ▼
#include "lvkrn.h"
L_LVKRN_API L_INT L_VecGetGroupCount(pVector)
Returns the number of groups inside a vector handle.
Pointer to the vector handle.
Number of groups.
After calling this function, L_VecGetGroupByIndex can be used to iterate through the groups in a vector handle.
Required DLLs and Libraries
This example will show the names of the all groups inside a vector handle, in a message box.
L_INT VecGetGroupCountExample(pVECTORHANDLE pVector){L_INT nRet;L_INT nCount, i;VECTORGROUP Group;VECTORGROUPDESC GroupDesc;/* Get number of groups inside the vector handle */nCount = L_VecGetGroupCount( pVector );nRet = SUCCESS;/* Iterate through the groups */for( i = 0; i < nCount; i++ ){/* Get group and its descriptor */nRet = L_VecGetGroupByIndex( pVector, i, &Group );if(nRet != SUCCESS)return nRet;nRet = L_VecGetGroup( pVector, &Group, &GroupDesc );if(nRet != SUCCESS)return nRet;/* Show name in a message box */MessageBox( NULL, GroupDesc.szName, TEXT("Group Name"), MB_OK );/* Free the group descriptor because it's no longer needed */nRet = L_VecFreeGroup( &GroupDesc );}return nRet;}