Wireshark · Wireshark-dev: [Wireshark-dev] How do I initialise a boolean preference

["Hal Lander" <hal_lander@xxxxxxxxxxx>]

I start Wireshark (don't open a file or anything).
My dissector's proto_reg_handoff routine is called.
In the code that runs only once I initialise a variable
   static gboolean prefTick
to TRUE, and register the preference.
Before returning the variable is printed out and it is TRUE.

My dissector's proto_reg_handoff routine is called a second time (I have not 
done anything in the Wireshark window yet).
Before returning the variable prefTick is printed out and it is FALSE.

In Wireshark I edit the preferences for my protocol, I can see my tick box 
and it is unticked.
I tick the box and apply it.
My dissector's proto_reg_handoff routine is called
Before returning the variable prefTick is printed out and it is TRUE.

My question are;
1. Why is my proto_reg_handoff routine being called twice initially?
2. Why does the second call set my preference to FALSE?
3. How do I get the tick box to default to TRUE initially (which is what i 
was trying to do) ?

It looks as though the code is working apart from not having the right 
initial value.

TIA
Hal

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