GetEventImageDepth  Method

Description         This method gets depth of image file.User can use it just in ThumbnailLoadingEvent when event type is ET_INFOLOADED or ET_GENERATED.

Usage                  RetVal = [BiThumbnail.]GetEventImageDepth thumbBrowserHandler

Remarks             RetVal                                            LONG             Depth of original image.

                            thumbBrowserHandler                LONG             Thumbnail browser handler.

See Also              ThumbnailLoadingEvent, GetEventBitmapHandler, GetEventFileName, GetEventType, GetEventNumOfPages, GetEventPageIndex, GetEventImageIsLegal, GetEventImageFormat, GetEventImageWidth, GetEventImageHeight, GetEventImageResX, GetEventImageResY, GetEventErrorCode