LVectorObject::GetViewContext

#include "ltwrappr.h"

L_INT LVectorObject::GetViewContext(pMin, pMax)

pVECTORPOINT pMin;	/* pointer to a VECTORPOINT structure */
pVECTORPOINT pMax;	/* pointer to a VECTORPOINT structure */

Retrieves the minimum and maximum points of an object’s view context space.

Parameter	Description
pMin	Pointer to a VECTORPOINT structure to be updated with the minimum point of the view context space.
pMax	Pointer to a VECTORPOINT structure to be updated with the maximum point of the view context space.

Returns

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

Comments

This function fails if the object doesn’t have a preset view context.

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:	LVectorObject::SetViewContext, LVectorObject::RemoveViewContext
Topics:	Vector Images: Obtaining Object Information
	Working with theView Context

Example

L_INT ChangeViewContext( 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;
}