#include "ltwrappr.h"

virtual L_INT LAnnContainer::LoadMemory(pMem, uMemSize)

L_UCHAR * pMem;

pointer to the file in memory to be loaded

L_UINT32 uMemSize;

size of the file in memory

Loads an annotation from a file that is stored in memory.




Pointer to the file in memory to be loaded.


Size of the file in memory (in bytes).



The function was successful.

< 1

An error occurred. Refer to Return Codes.


If this function returns SUCCESS and phObject is updated with NULL, there are no annotation objects to load.

Required DLLs and Libraries


For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.


Win32, x64.

See Also


LAnnContainer::DeletePage, LAnnContainer::DeletePageMemory, LAnnContainer::DeletePageOffset, LAnnContainer::FileInfo, LAnnContainer::FileInfoMemory, LAnnContainer::FileInfoOffset, Class Members, LAnnotation::GetOptions, LAnnotation::SetOptions


Annotation Functions: Input and Output


Implementing Annotations


Key Annotation Features


L_INT LAnnContainer_LoadMemoryExample(LAnnContainer  * pLeadAContainer) 
   L_INT nRet; 
   LAnnContainer TmpContainer ;// Temporary container for the annotations  
   HGLOBAL hFileInMemory = NULL;// Memory handle  
   L_SIZE_T uMemSize; // Size of the data in memory  
   L_UCHAR  *pData; // Pointer to the data in memory 
   // Load the initial annotations 
   nRet = TmpContainer.Load( MAKE_IMAGE_PATH(TEXT("TEST.ANN"))); 
   if(nRet != SUCCESS) 
      return nRet; 
   // Save the annotations as a file in memory  
   nRet = TmpContainer.SaveMemory( ANNFMT_XML, FALSE, &hFileInMemory, &uMemSize); 
   if(nRet != SUCCESS) 
      return nRet; 
   // Destroy the temporary container 
   nRet = TmpContainer.Destroy( ANNFLAG_RECURSE); 
   if(nRet != SUCCESS) 
      return nRet; 
   // Get the pointer to the memory-resident file  
   pData = (L_UCHAR  *) GlobalLock (hFileInMemory); 
   // Load the new file from memory 
   nRet = pLeadAContainer->LoadMemory((L_UCHAR *)pData, (L_UINT32)uMemSize); 
   if(nRet != SUCCESS) 
      return nRet; 
   /* Clean up */ 
   GlobalUnlock (hFileInMemory); 
   GlobalFree (hFileInMemory); 
   return SUCCESS; 
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