LVectorBase::ZoomRect

#include "ltwrappr.h"

virtual L_INT LVectorBase::ZoomRect (pRect)

const RECT * pRect;

pointer to a RECT structure

Sets the current zoom rectangle inside a vector handle.

Parameter

Description

pRect

Pointer to a RECT structure that contains data on the new zoom rectangle.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Use this function to set the desired zoom rectangle inside the current view port associated with a vector handle.

Please note that you will have to update the window to see the results of this function.

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:

LVectorBase::SetViewport, LVectorBase::GetViewPort, LVectorBase::SetPan, LVectorBase::GetPan

Topics:

Viewing Vector Images

 

Vector Images: Viewing a Vector Image

Example

This example will use ZoomRect to zoom to a desired area inside the vector handle.

L_INT LVectorBase__ZoomRectExample( LVectorBase *pVector, RECT *pRect ) 
{ 
   L_INT nRet; 
   nRet = pVector->ZoomRect(pRect ); 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
} 

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