Datalogic Star Manuel d'installation télécharger pdf (Page 69)

DEVICE COLLECTION OBJECT

PROPERTY ITEM

PURPOSE

Gets a device object from the collection.

DESCRIPTION

This property gets a device object from the collection. You must set an index

representing the offset in the array used to store all the device objects (the array is

0-based).

IDL

[propget, id(DISPID_VALUE)] HRESULT Item([in]long Index, [out, retval] VARIANT *pVal);

INPUT PARAMETERS

Index : Long

The index of the array element used to store the collection of devices.

DATA TYPE

Pointer to dispatch the object interface.

POSSIBLE VALUES

Read only property

EXAMPLE

...

Dim DevicesObject as Devices

Dim i as Long

...

Set DevicesObjects = RFNCCTL.Devices

For i = 0 To DevicesObject.Count – 1

MsgBox “Device n. “ & CStr(i) & “ ID “& _

CStr(Devices.Item(i).DevID)

Next i

...

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 127 128

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Datalogic Star Manuel d'installation Page 69