Minimal OPC UA client that auto generates self signed certificate on startup in C#

This is minimal OPC UA client in C# that demonstrates self signed certificate auto generation on startup.
Pre-Req

• Visual Studio 2022 Community Edition
• ConsoleReferenceServer running in the another console

Steps

• Using Visual Studio, create C# .Net 6.0 Application
• Add a nuget reference to OPCFoundation.NetStandard.Opc.Ua.Client
• Copy/paste code from gist below into Program.cs and run it

Full working code can be found here.

OPC UA Read service using C#

This is a sample bare bones OPC UA C# application performing a Read service.
Pre-Req

• Visual Studio 2022 Community Edition
• Run sample ConsoleReferenceServer

Steps

• Using Visual Studio, create C# .Net 6.0 Application
• Add a nuget reference to OPCFoundation.NetStandard.Opc.Ua.Client
• Copy/paste code from gist below into Program.cs

Full working code can be found here.

C#: Convert SecureString to String

Sample code to convert C# SecureString to String. Note that this is not the most secure to access SecureString.

Line 20 is one example of converting SecureString to String, this only works for .Net Framework 4.0 or later.

Lines 23 to 38 converts SecureString to String and works using .Net Framework 2.0 or up.

Reference(s):
https://stackoverflow.com/questions/818704/how-to-convert-securestring-to-system-string
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PInvoke.net alternative

http://pinvoke.net/ is my goto location when I need to call native functions into C#. I just found out today that there is actually an alternative from Microsoft called P/Invoke Interop Assistant, head to the link below to get the binaries.

http://clrinterop.codeplex.com/
http://clrinterop.codeplex.com/releases/view/14120