Meta Data Services Programming
ParameterDef Flags Property
This property is an integer that determines the attributes of a parameter. The sum total of the flag values determines the combination of flags that apply.
Syntax
Object.Flags=integer
The Flags property syntax has the following parts.
| Part | Description |
|---|---|
| object | The ParameterDef object |
| integer | A single flag name value, or an aggregated value that results from combining flag values |
Remarks
Parameter definition flags, values, and descriptions are provided in the following table.
| Flag Name and Value | Description |
|---|---|
| PARAMFLAGS_IN = 1 | The parameter accepts a value passed to it as input. |
| PARAMFLAGS_OUT = 2 | The parameter passes an output value by reference. |
| PARAMFLAGS_RETVAL = 4 | The parameter passes a return value. Only one parameter for each method can be marked as a return value. |
| PARAMFLAGS_OPTIONAL = 8 | An optional parameter. Once you define a parameter as optional, all subsequent parameters that follow must also be optional. |