Version 22 of this C++ Class Library has changed from version 21 as follows:
LImageViewer::EnableActiveSubCellChangedCallBack
LImageViewer::EnableAnimationStartedCallBack
LImageViewer::EnableAnimationStoppedCallBack
LImageViewer::EnableAnnotationCallBack
LImageViewer::EnableAnnotationCreatedCallBack
LImageViewer::EnableCellLowMemoryUsage
LImageViewer::EnableLowMemoryUsageCallBack
LImageViewer::EnableMouseCallBack
LImageViewer::EnablePostPaintCallBack
LImageViewer::EnablePrePaintCallBack
LImageViewer::EnableRegionCallBack
LImageViewer::GetCellScaleMode
LImageViewer::GetDefaultWindowLevelValues
LImageViewer::GetRotateBitmapPerspectiveAngle
LImageViewer::IsBitmapInverted
LImageViewer::IsBitmapReversed
LImageViewer::RemoveBitmapRegion
LImageViewer::ResetWindowLevelValues
LImageViewer::RotateBitmapPerspective
LImageViewer::SetBitmapListInfo
LImageViewer::SetCellScaleMode
LImageViewer::SetDefaultWindowLevelValues
LImageViewer::SetRequestedImage
For feature details, refer to What's New in Version 22.