This interface describes the collection of ActiveX objects. It can contain the following interfaces: IWialonUnit, IWialonUnitMsg, IWialonParam.
| Property | Parameter | Return Value | Description |
|---|---|---|---|
| Item | long Index | IDispatch** pVal | To get an object from the collection by the given index. The indexes begin from one (1). It is required to check each return value to be in existence (Not Nothing) or check return result (Error). |
| Count | – | long *pVal | To get the number of units contained in the collection. |