References ▼
#include "lvkrn.h"
L_LVKRN_API L_INT L_VecHideObject(pVector, pObject, bHide)
const pVECTORHANDLE pVector; |
pointer to a vector handle |
pVECTOROBJECT pObject; |
pointer to a vector object |
L_BOOL bHide; |
flag that indicates whether to hide or show an object |
Hides or shows an object.
| Parameter | Description | |
| pVector | Pointer to a vector handle. Objects within this vector handle will be hidden or shown. | |
| pObject | Pointer to a VECTOROBJECT structure that references an object to be hidden or shown. | |
| bHide | Flag that indicates whether to hide or show the specified object. Possible values are: | |
| Value | Meaning | |
| TRUE | Hide the specified object. | |
| FALSE | Show the specified object. | |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Hides or shows an object within the specified vector handle.
A hidden object will not be drawn. It will also not be returned when calling the L_VecHitTest function.
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_VecIsObjectHidden, L_VecSelectObject, L_VecIsObjectSelected, L_VecDeleteObject, L_VecHitTest, L_VecGetObject |
This example will hide the object under a given 2D point.
L_INT VecHideObjectExample(pVECTORHANDLE pVector,POINT* pPoint){VECTOROBJECT Object; /* Object under point */L_INT nRet;/* Get object under that point */nRet = L_VecHitTest( pVector, pPoint, &Object );/* Is there an object under that point? */if( nRet == SUCCESS )/* Yes, hide it */nRet = L_VecHideObject( pVector, &Object, TRUE );return nRet;}