Version 17.5 of this C API has changed from version 17 as follows:
HISTOGRAMDLGPARAMS: The types of puMasterHistogram, puRedHistogram, puGreenHistogram, and puBlueHistogram have been changed from L_UINT32 to L_UNIT64.
For more information, refer to:
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries