FindOwnCertificate Method (_EasyUAApplication)

Finds the own certificate the application is currently configured to use.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<CanBeNullAttribute()>
Function FindOwnCertificate( _
   ByVal certificateSubId As String _
) As _PkiCertificate

'Usage
 
Dim instance As _EasyUAApplication
Dim certificateSubId As String
Dim value As _PkiCertificate
 
value = instance.FindOwnCertificate(certificateSubId)

[CanBeNull()]
_PkiCertificate FindOwnCertificate( 
   string certificateSubId
)

[CanBeNull()]
_PkiCertificate^ FindOwnCertificate( 
   String^ certificateSubId
)

Parameters

certificateSubId: The sub-id of the certificate. Normally an empty string.
The value of this parameter can be null (Nothing in Visual Basic).

Return Value

Returns the own certificate, if found. Returns null if the own certificate cannot be found.

This method can return null (Nothing in Visual Basic).

Exceptions

Exception Description

System.Exception An error has occurred during application execution.

Exception	Description
System.Exception	An error has occurred during application execution.
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.

Remarks

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.

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

_EasyUAApplication Interface
_EasyUAApplication Members
CreateOwnCertificate Method
RemoveOwnCertificates Method

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