LVectorGroup::DeleteGroup

#include "ltwrappr.h"

virtual L_INT LVectorGroup::DeleteGroup()

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

Returns

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

Comments

Deleting a group also deletes all objects within the group.

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.

Example

This example will delete the second group in a vector.

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

Help Version 19.0.2017.10.27

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LEADTOOLS Vector C++ Class Library Help

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Appendix

Functions:	LVectorBase::AddGroup, LVectorGroup::EmptyGroup.
Topics:	Working with Vector Groups