int? MyNullableIntA = 2;
int? MyNullableIntB = 3;
int? MyNullableIntC = null;
int MyInt = 2;
bool MyBool1, MyBool2, MyBool3, MyBool4, MyBool5;

MyBool1 = MyNullableIntA == MyInt;
MyBool2 = MyNullableIntB == MyInt;
MyBool3 = MyNullableIntC == MyInt;
MyBool4 = null == MyNullableIntA;
MyBool5 = null == MyNullableIntC;