public static bool UsingElevationMode( 
   CIMGroundToGridCorrection c
)

CIMGroundToGridCorrection correction = null;
bool isCorecting = correction.IsCorrecting();   // equivalent to correction != null && correction.Enabled;
bool UsingOffset = correction.UsingDirectionOffset();   // equivalent to correction.IsCorrecting() && correction.UseDirection;
double dOffset = correction.GetDirectionOffset(); // equivalent to correction.UsingDirectionOffset() ? correction.Direction : DefaultDirectionOffset;
bool usingDistanceFactor = correction.UsingDistanceFactor();  // equivalent to correction.IsCorrecting() && correction.UseScale;
bool usingElevation = correction.UsingElevationMode(); // equivalent to correction.UsingDistanceFactor() && c.ScaleType == GroundToGridScaleType.ComputeUsingElevation;
bool usingSFactor = correction.UsingConstantScaleFactor();  //; equivalent to correction.UsingDistanceFactor() && correction.ScaleType == GroundToGridScaleType.ConstantFactor;
double dSFactor = correction.GetConstantScaleFactor(); // equivalent to correctionc.UsingDistanceFactor() ? correction.ConstantScaleFactor : DefaultConstantScaleFactor;