References ▼
#include "lvkrn.h"
L_LVKRN_API L_INT L_VecEmptyGroup(pVector, pGroup)
pVECTORHANDLE pVector; |
pointer to a vector handle |
const pVECTORGROUP pGroup; |
pointer to a vector group |
Empties the specified group. This function is available in the LEADTOOLS Vector Imaging Pro Toolkit.
Parameter |
Description |
pVector |
Pointer to the vector handle. |
pGroup |
Pointer to a VECTORGROUP structure that references the group to be emptied. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
The specified group is emptied by deleting all objects within that group.
To delete a group, call L_VecDeleteGroup.
After calling this function, all clone objects of this group will reflect the change immediately.
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: |
L_VecAddGroup, L_VecDeleteGroup, L_VecCopyGroup, L_VecDeleteGroupClones, L_VecAddObjectToGroup, L_VecGetGroup, L_VecGetGroupByIndex, L_VecGetGroupByName |
Topics: |
This example will delete all objects inside the group with the given name.
L_INT VecEmptyGroupExample(pVECTORHANDLE pVector,L_TCHAR* pszName){VECTORGROUP Group;L_INT nRet;/* Get the group with the given name */nRet = L_VecGetGroupByName( pVector, pszName, &Group );if( SUCCESS == nRet )nRet = L_VecEmptyGroup ( pVector, &Group ); /* empty out */return nRet;}