Const
Attributes (ADSMETHODPARAFLAG_ATTRIBUTES, 0x00000040)
By reference Parameter (ADSMETHODPARAFLAG_BYREFERENCE) This flag indicates parameters that are transfered as REFERENCE or POINTER Types.
Input Parameter (ADSMETHODPARAFLAG_IN)
(ADSMETHODPARAFLAG_RPC_ARRAYDIM_MASK,0x00000030)
Output Parameter (ADSMETHODPARAFLAG_OUT)
(ADSMETHODPARAFLAG_RPC_OUTPTR, 0x00000008)
Return given flag value as string array
ADS RCP method parameter flags
Source: TwinCAT.Ads.dll By Beckhoff