#include "ltwrappr.h"

virtual L_INT LVectorGroup::EmptyGroup()

Empties the class object's associated group. This function is available in the LEADTOOLS Vector Imaging Pro Toolkit.


Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.


The associated group is emptied by deleting all objects within that group.

To delete a group, call LVectorGroup::DeleteGroup.

After calling this function, all clone objects of this group will reflect the change immediately.

Required DLLs and Libraries

See Also




This example will empty all objects from the second group (index 1).

L_INT LVectorGroup__EmptyGroupExample(HWND hWnd, LVectorBase *pVector) 
   L_INT          nRet; 
   LVectorGroup   VectorGroup; 
   nRet = pVector->GetGroupByIndex(1, &VectorGroup); 
   if (nRet == SUCCESS) 
      nRet = VectorGroup.EmptyGroup(); 
      if(nRet != SUCCESS) 
         return nRet; 
      MessageBox(hWnd, TEXT("Vector has less than two groups"), TEXT(""), MB_OK); 
      return nRet; 
   return SUCCESS; 

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