Public Delegate Function DlgQueryProperties( _
   ByVal itemHandle As Integer, _
   ByRef ids As Integer(), _
   ByRef names As String(), _
   ByRef descriptions As String(), _
   ByRef vals As Object() _
) As Integer

public delegate int DlgQueryProperties( 
   int itemHandle,
   out int[] ids,
   out string[] names,
   out string[] descriptions,
   out object[] vals
)

Parameters

itemHandle

Application item handle

ids

Array with the the property ID number

names

Array with the property names. This symbolic name is used only in the XML-DA server. It is ignored by the DANSrv OPC DA server.

descriptions

Array with the property description

vals

Array with the current property values

Return Value

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference