To obtain the maximum Value for a given Hue and Chroma, use XcmsTekHVCQueryMaxV().
To obtain the maximum Chroma and Value at which it is reached for a specified Hue, use XcmsTekHVCQueryMaxVC().
To obtain a specified number of TekHVC specifications such that they contain maximum Values for a specified Hue and the Chroma at which the maximum Values are reached, use XcmsTekHVCQueryMaxVSamples().
To obtain the minimum Value for a given Hue and Chroma, use XcmsTekHVCQueryMinV().