HasOwnCertificate(IEasyUAClientServerApplication,String) Method

Determines whether the application's own certificate is present.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ExtensionAttribute()>
Public Overloads Shared Function HasOwnCertificate( _
   ByVal application As IEasyUAClientServerApplication, _
   ByVal certificateSubId As String _
) As Boolean

'Usage
 
Dim application As IEasyUAClientServerApplication
Dim certificateSubId As String
Dim value As Boolean
 
value = IEasyUAClientServerApplicationExtension.HasOwnCertificate(application, certificateSubId)

[Extension()]
public static bool HasOwnCertificate( 
   IEasyUAClientServerApplication application,
   string certificateSubId
)

[Extension()]
public:
static bool HasOwnCertificate( 
   IEasyUAClientServerApplication^ application,
   String^ certificateSubId
)

Parameters

application: The OPC UA client/server application object that will perform the operation.
certificateSubId: Id of the certificate. Normally an empty string.

Return Value

Returns true if the application's own certificate is present in the certificate store. Returns false otherwise.

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.
OpcLabs.EasyOpc.UA.OperationModel.UAException	The OPC UA operation has failed. This operation exception in uniformly used to allow common handling of various kinds of errors. The System.Exception.InnerException always contains information about the actual error cause. This is an operation error that depends on factors external to your program, and thus cannot be always avoided. Your code must handle it appropriately.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

OpcLabs.EasyOpc.UA.OperationModel.UAException

The OPC UA operation has failed. This operation exception in uniformly used to allow common handling of various kinds of errors. The System.Exception.InnerException always contains information about the actual error cause.

This is an operation error that depends on factors external to your program, and thus cannot be always avoided. Your code must handle it appropriately.

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

IEasyUAClientServerApplicationExtension Class
IEasyUAClientServerApplicationExtension Members
Overload List

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