Complete Parameter Object Reference
The Direction property sets or returns a ParameterDirectionEnum value that specifies how a parameter is passed to or from a procedure. Default value is adParamInput.
Is it an input parameter, an output parameter, an input and an output parameter, or a return value from a procedure?
| Constant | Value | Description |
|---|---|---|
| adParamUnknown | 0 | Direction unknown |
| adParamInput | 1 | Default. Input parameter |
| adParamInputOutput | 3 | Input and output parameter |
| adParamOutput | 2 | Output parameter |
| adParamReturnValue | 4 | Return value |
Complete Parameter Object Reference
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