Creates a one-dimensional SafeArray with the specified type, bounds, and optional parameter.
_SafeArrayCreateVectorEx($vType, $lLBound, $cElements, $pvExtra)
| $vType | VARIANT type for the SafeArray elements (e.g., $VT_VARIANT, $VT_I4). |
| $lLBound | Lower bound of the SafeArray. |
| $cElements | Number of elements in the SafeArray. |
| $pvExtra | Optional pointer to additional data (typically 0 in AutoIt). |
| Success: | Pointer to the created SafeArray. |
| Failure: | 0 and sets @error: 1 - Invalid VARIANT type. 2 - Invalid number of elements (< 0). 3 - DllCall failure. |