IsKnownItemSubscriptionHandle Method (IEasyDAClient)

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

Syntax

Visual Basic
C#
C++/CLI

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

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

[Pure()]
bool IsKnownItemSubscriptionHandle( 
   int handle
)

[Pure()]
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 or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

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

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

IEasyDAClient Interface
IEasyDAClient Members

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