IsKnownItemSubscriptionHandle Method (

Determines whether the given item subscription handle is known to this client.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Function IsKnownItemSubscriptionHandle( _
   ByVal handle As Integer _
) As Boolean

'Usage
 
Dim instance As _EasyDAClient
Dim handle As Integer
Dim value As Boolean
 
value = instance.IsKnownItemSubscriptionHandle(handle)

bool IsKnownItemSubscriptionHandle( 
   int handle
)

bool IsKnownItemSubscriptionHandle( 
   int handle
)

Parameters

handle: The item subscription handle to be tested.

Return Value

Returns true if the given handle is known to the client (i.e. represents a currently subscribed item). Otherwise, returns false.

Remarks

This method is pure, i.e. it does not have observable side effects.

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

_EasyDAClient Interface
_EasyDAClient Members

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