In This Topic ▼

LVectorLayer::DeleteLayer

Summary

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

Syntax

#include "ltwrappr.h"

virtual L_INT LVectorLayer::DeleteLayer(L_VOID)

Returns

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

Comments

Deleting a layer also deletes all objects within the layer.

Required DLLs and Libraries

LTVKRN
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 layer in a vector.

L_INT LVectorLayer__DeleteLayerExample(HWND hWnd, LVectorBase *pVector) 
{ 
   UNREFERENCED_PARAMETER(hWnd); 
 
   L_INT          nRet; 
   LVectorLayer   VectorLayer; 
 
   nRet = pVector->GetLayerByIndex(1, &VectorLayer); 
   if (nRet == SUCCESS) 
   { 
      nRet = VectorLayer.DeleteLayer(); 
      if(nRet != SUCCESS) 
         return nRet; 
   } 
   else 
   { 
      MessageBox(hWnd, TEXT("Vector has less than two layers"), TEXT(""), MB_OK); 
 
      return nRet; 
   } 
 
   return SUCCESS; 
}