Help Version 19.0.2017.10.27
References ▼
#include "Ltwrappr.h"
virtual L_INT LContainer::ContainerCallBack (nEventType, pEventData)
CONTAINEREVENTTYPE nEventType; |
container event type |
L_VOID *pEventData; |
pointer to event specific data |
Handles each event that occurs in the container.
| Parameter | Description | |
| nEventType | The type of the event sent by the container. Possible value is: | |
| Value | Meaning | |
| CONTAINER_EVENT_TYPE_DRAW | The container is now drawing. | |
| pEventData | Pointer to a structure that contains data associated with the event specified in nEventType. When nEventType is CONTAINER_EVENT_TYPE_DRAW, then the pEventData must be type pCONTAINEROBJECTDATA. Keep in mind that this is a void pointer, which must be cast to the appropriate data type for the event data. | |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
LTCON 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: |
class LuserCon :public LContainer{protected:virtual L_INT ContainerCallBack(CONTAINEREVENTTYPE nEvenType,L_VOID *pEventData);};L_INT LContainer_ContainerCallbackExample( LContainer &lCont ){L_INT nRet;nRet = lCont.IsValid ( );if ( nRet == SUCCESS ) /* check the validity of container handle */{/* Enables the container Callback */lCont.EnableContainerCallBack ( TRUE ) ;}else{return nRet ;}return SUCCESS ;}L_INT LuserCon::ContainerCallBack(CONTAINEREVENTTYPE nEvenType,L_VOID *pEventData ){UNREFERENCED_PARAMETER(nEvenType);UNREFERENCED_PARAMETER(pEventData);//user write his code here.return SUCCESS;}