#include "lvkrn.h"
L_LVKRN_API L_INT L_VecZoomRect (pVector, pRect)
pVECTORHANDLE pVector; |
pointer to a vector handle |
const L_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. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
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. |
Functions: |
L_VecSetViewport, L_VecGetViewPort, L_VecSetPan, L_VecGetPan |
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 );
}