L_Doc2RemoveZone

#include "ltdoc2.h"

L_LTDOC2_API L_INT EXT_FUNCTION L_Doc2RemoveZone(hDoc, nPageIndex, nZoneIndex)

Removes one or more zones from the zone list for the specified page.

Parameters

L_HDOC2 hDoc

Handle to the OCR document.

L_INT nPageIndex

Index of the page for which the zone(s) will be deleted. This is a zero-based index.

L_INT nZoneIndex

Index of the zone(s) to be deleted. This is a zero-based index.

Returns

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

Comments

The nZoneIndex parameter specifies the zone that will be deleted. If you pass -1 for the nZoneIndex parameter, then this function will delete all zones in the zone list for the specified page.

The index of the first zone in the zone list is zero (0).

Required DLLs and Libraries

See Also

Functions

Topics

Example

L_INT Doc2RemoveZoneExample(L_HDOC2 hDoc, L_INT nPageIndex, L_INT nZoneIndex) 
{ 
   L_INT nRet; 
    
   nRet = L_Doc2RemoveZone(hDoc, nPageIndex, nZoneIndex); 
   if (nRet == SUCCESS) 
      MessageBox(NULL, TEXT("The specified zone is deleted from the specified page."), TEXT("Notice!"), MB_OK); 
   else 
   { 
      MessageBox(NULL, TEXT("The engine couldn't delete the specified zone."), TEXT("Error!"), MB_OK); 
      return nRet; 
   } 
   return SUCCESS; 
} 
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