L_GetOverlayCallback

#include "l_bitmap.h"

L_LTFIL_API L_INT L_GetOverlayCallback(ppfnCallback, ppUserData, puFlags)

OVERLAYCALLBACK *ppfnCallback;	/* pointer to be updated with the callback function */
L_VOID** ppUserData;	/* void pointer to be updated with user data */
L_UINT* puFlags;	/* pointer to a variable */

Gets the current overlay callback function, user data and flags, which were set using L_SetOverlayCallback.

Parameter	Description
ppfnCallback	Pointer to a pointer to a callback function to be updated with the last overlay callback function set using L_SetOverlayCallback.
ppUserData	Void pointer to be updated with the value of user defined data associated with the overlay callback. If you are not interested in the user-defined data, pass NULL for this parameter.
puFlags	Pointer to a variable to be updated with the flags used to determine the methods to perform when loading an overlay file and the order in which to perform the methods. These were also previously set using L_SetOverlayCallback.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

The overlay callback set using L_SetOverlayCallback becomes the current overlay callback. To get the current overlay callback, call L_GetOverlayCallback.

Required DLLs and Libraries

LTFIL

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Windows 2000 / XP/Vista.

Functions:	L_SetOverlayCallback, OVERLAYCALLBACK, L_LoadBitmap
Topics:	Raster Image Functions: Loading Files
	Loading and Saving Images