public ushort RNBOsproGetKeyType(ref int keyFamily, ref int formFactor, ref int memUsed) { ushort status = 0; try { status = DicisionNativeApi.RNBOsproGetKeyType(this.packet, ref keyFamily, ref formFactor, ref memUsed); } catch (System.DllNotFoundException) { throw new System.DllNotFoundException(strError); } return(status); }