References ▼
#include "LtCon.h"
L_INT pEXT_CALLBACK YourFunction(pContainer, nEventType, pEventData, pUserData)
pCONTAINERHANDLE pContainer; |
pointer to a container handle |
CONTAINEREVENTTYPE nEventType; |
container event type |
L_VOID * pEventData; |
pointer to event specific data |
L_VOID * pUserData; |
pointer to additional parameters |
Handles each event that occurs in the container.
| Parameter | Description | |
| pContainer | Pointer to a container handle. | |
| nEventType | The type of the event sent by the container. Possible values are: | |
| 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. | ||
| pUserData | A void pointer that you can use to access a variable or structure containing data that your callback function needs. This gives you a way to receive data indirectly from the function that uses this callback function. (This is the same pointer that you pass in the pUserData parameter of the calling function.) | |
| Keep in mind that this is a void pointer, which must be cast to the appropriate data type within your callback function. | ||
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 |