Specifies whether the Parameter represents an input parameter, an output parameter, both an input and an output parameter, or the return value from a stored procedure.
| Constant | Value | Description |
| adParamInput | 1 | Default. Indicates that the parameter represents an input parameter. |
| adParamInputOutput | 3 | Indicates that the parameter represents both an input and output parameter. |
| adParamOutput | 2 | Indicates that the parameter represents an output parameter. |
| adParamReturnValue | 4 | Indicates that the parameter represents a return value. |
| adParamUnknown | 0 | Indicates that the parameter direction is unknown. |
ADO/WFC Equivalent
Package: com.ms.wfc.data
| Constant |
| AdoEnums.ParameterDirection.INPUT |
| AdoEnums.ParameterDirection.INPUTOUTPUT |
| AdoEnums.ParameterDirection.OUTPUT |
| AdoEnums.ParameterDirection.RETURNVALUE |
| AdoEnums.ParameterDirection.UNKNOWN |