An example of calling F# code from C# and sending an event from F# to C# code
reference: https://stackoverflow.com/questions/4964348/c-style-event-accessors-for-cli-events-in-f
An example of calling F# code from C# and sending an event from F# to C# code
reference: https://stackoverflow.com/questions/4964348/c-style-event-accessors-for-cli-events-in-f