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View Code? Open in Web Editor NEWSample extensions for the TF2000 TC3 HMI Server
Home Page: http://www.beckhoff.com/TwinCAT-HMI/
License: Other
Sample extensions for the TF2000 TC3 HMI Server
Home Page: http://www.beckhoff.com/TwinCAT-HMI/
License: Other
In some new API version, Shutdown Listener is auto registered when created. This breaks the LetsEncrypt sample with the following error on Init() :
"Error while initialization: Cannot register listeners of the same type and in the same domain several times. A listener of type 'ITcHmiSrvShutdownListener' is already registered in domain 'LetsEncrypt'."
Two possible work arounds:
Manually registering OnShutdown allows custom logic to run on shutdown. But with auto register listeners defaulting to true, one cannot add in a custom even handler to run due to OnShutdown implicitly registering. What event handlers are automatically added to simple listeners like Shutdown?
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