dOPCDA.TdOPCDAClient.GetItemProperty

return the value of a item property

Delphi

function GetItemProperty(ItemId: string; PropId: integer; var Value: OPCVariant): boolean;

C++

__fastcall boolean GetItemProperty(AnsiString ItemId, int PropId, OPCVariant Value);

Parameters

Parameters	Description
ItemId: string	Unique Id of the items
PropId: integer	Number of the property of UA look at: TuaAttributes class

Returns

result: true if operation is successful

Description

A OPC item has depending on the specification a lot of properties. With this method you can the value of one item property.