LVectorLayer::DeleteLayer

#include "ltwrappr.h"

virtual L_INT LVectorLayer::DeleteLayer(L_VOID)

Deletes the class object's associated layer. 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 layer also deletes all objects within the layer.

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.

See Also

Functions:	LVectorBase::AddLayer, LVectorLayer::EmptyLayer.
Topics:	Working with Vector Layers

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;
}