LMarker::GetGlobalMarkers

#include "ltwrappr.h"

virtual L_INT LMarker::GetGlobalMarkers(uFlags)

L_UINT uFlags;

reserved flags

Gets a copy of the last markers set with LMarker::SetAsGlobalMarkers.

Parameter

Description

uFlags

Reserved for future use. Pass 0.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Since you have a copy, anything you do with the handle will not modify the markers, which can be saved by calling a Save function. To modify the markers being saved, call LMarker::SetAsGlobalMarkers.

When the marker collection handle is no longer needed, use LMarker::Free function to free it.

When calling LMarker::GetGlobalMarkers, the markers object cannot be NULL. However, if no markers have been set using LMarker::SetAsGlobalMarkers, the markers object will be updated with NULL when the function returns.

Required DLLs and Libraries

LTFIL

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

Platforms

Win32, x64.

See Also

Functions:

LMarker::Copy, LMarker::Create, LMarker::Delete, LMarker::DeleteIndex, LMarker::Enum, LMarker::EnumMarkersCallBack, LMarker::Free, LMarker::GetCount, LMarker::GetHandle, LMarker::GetMarker, LMarker::Insert, LMarker::Load, LMarker::SetAsGlobalMarkers, LMarker::SetHandle, LFile::WriteMetaData, Class Members

Topics:

Raster Image Functions: Markers

 

Working with Markers

Example

L_INT LMarker__GetGlobalMarkersExample(LMarker MyMarker) 
{ 
   L_INT nRet; 
 
   nRet = MyMarker.GetGlobalMarkers(0); 
   if(nRet != SUCCESS) 
   { 
      MessageBox(NULL, TEXT("Error calling LMarker::GetGlobalMarkers!"), TEXT("ERROR"), MB_OK); 
 
      return nRet; 
   } 
   else 
   { 
      if(MyMarker.GetHandle()) 
      { 
         MessageBox(NULL, TEXT("You have set markers!"), TEXT("Info"), MB_OK); 
         nRet = MyMarker.Free(); 
         if(nRet != SUCCESS) 
            return nRet; 
      } 
      else 
         MessageBox(NULL, TEXT("You have not set any markers!"), TEXT("Info"), MB_OK); 
   } 
 
   return SUCCESS; 
}
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