Description This method gets legality of image.User can use it just in ThumbnailLoadingEvent when event type is ET_GENERATED.
Usage RetVal = [BiThumbnail.]GetEventImageIsLegal thumbBrowserHandler
Remarks RetVal LONG Legality of image.
thumbBrowserHandler LONG Thumbnail browser handler.
See Also ThumbnailLoadingEvent, GetEventBitmapHandler, GetEventFileName, GetEventType, GetEventNumOfPages, GetEventPageIndex, GetEventImageFormat, GetEventImageDepth, GetEventImageWidth, GetEventImageHeight, GetEventImageResX, GetEventImageResY, GetEventErrorCode