SubscribeEvents Method

Description

Subscribe to OPC events. Specify server descriptor and subscription parameters objects, "refresh when active" flag, and a callback method.

DISPID (Dispatch ID):

For more information, see SubscribeEvents in .NET Reference.

Syntax

Visual Basic
Public Function SubscribeEvents( _ ByVal serverDescriptor As Variant, _ ByVal subscriptionParameters As Variant, _ ByVal refreshWhenActive As Boolean, _ ByVal state As Variant _ ) As Long

Visual Basic

Public Function SubscribeEvents( _
   ByVal serverDescriptor As Variant, _
   ByVal subscriptionParameters As Variant, _
   ByVal refreshWhenActive As Boolean, _
   ByVal state As Variant _
) As Long

Parameters

serverDescriptor
subscriptionParameters
refreshWhenActive
state

Return Type

See SubscribeEvents in .NET Reference.

Remarks

For remarks, see SubscribeEvents in .NET Reference.

Example

For examples, see SubscribeEvents in .NET Reference.