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LVectorObject::GetViewContext

Summary

Retrieves the minimum and maximum points of an objects view context space.

Syntax

#include "ltwrappr.h"

L_INT LVectorObject::GetViewContext(pMin, pMax)

Parameters

pVECTORPOINT pMin

Pointer to a VECTORPOINT structure to be updated with the minimum point of the view context space.

pVECTORPOINT pMax

Pointer to a VECTORPOINT structure to be updated with the maximum point of the view context space.

Returns

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

Comments

This function fails if the object does not have a preset view context.

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

L_INT LVectorObject__ChangeViewContextExample( LVectorObject *pVecObj, pVECTORPOINT pMin, pVECTORPOINT pMax )  
{ 
   L_INT  nRet;  
   VECTORPOINT  Min;  
   VECTORPOINT  Max;  
 
   nRet = pVecObj->GetViewContext( &Min, &Max );  
   if( SUCCESS != nRet )  
   { 
      nRet = pVecObj->SetViewContext( pMin, pMax );  
 
      *pMin = Min;  
      *pMax = Max;  
   } 
 
   if( SUCCESS != nRet )  
   { 
      pVecObj->RemoveViewContext( );  
   } 
 
   return nRet;  
}