unsigned short auSquareDecimeters;
The auSquareDecimeters variable represents the conversion type for square decimeters.
Use auSquareDecimeters to convert from another measurement unit to square decimeters.
Note: Do not change the value of auSquareDecimeters. auSquareDecimeters contains a handle obtained by a call to RegisterConversionType. Changing the value of auSquareDecimeters will make area conversions not work properly.