L_VecZoomRect

#include "lvkrn.h"

L_LVKRN_API L_INT L_VecZoomRect (pVector, pRect)

pVECTORHANDLE pVector;

/* pointer to a vector handle */

const RECT * pRect;

/* pointer to a RECT structure */

Sets the current zoom rectangle inside a vector handle.

Parameter

Description

pVector

Pointer to a vector handle.

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:

L_VecSetViewport, L_VecGetViewPort, L_VecSetPan, L_VecGetPan

Example

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

L_INT VecZoomRectExample(
   pVECTORHANDLE pVector,
   RECT* pRect)
{
   return L_VecZoomRect( pVector, pRect );
}