This .NET class wraps the AcGe::ErrorCondition ObjectARX class.

Public Enum ErrorCondition
  OK
  This
  Arg1
  Arg2
  PerpendicularArg1Arg2
  EqualArg1Arg2
  EqualArg1Arg3
  EqualArg2Arg3
  LinearlyDependentArg1Arg2Arg3
  Arg1TooBig
  Arg1OnThis
  Arg1InsideThis
End Enum

public enum ErrorCondition {
  OK,
  This,
  Arg1,
  Arg2,
  PerpendicularArg1Arg2,
  EqualArg1Arg2,
  EqualArg1Arg3,
  EqualArg2Arg3,
  LinearlyDependentArg1Arg2Arg3,
  Arg1TooBig,
  Arg1OnThis,
  Arg1InsideThis
}