Add a Mutex to the manual software to avoid multiple instances being opened

AvolitesLtd / TitanManual

Official Documentation for the Avolites Titan software

http://manual.avolites.com/

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Add a Mutex to the manual software to avoid multiple instances being opened #460

Open PeterBuddAvo opened 11 months ago

PeterBuddAvo commented 11 months ago

Currently it is possible to open multiple instances of the manual. This is a particular problem on consoles with hardware help buttons where you can keep opening up new manuals and not closing old ones. It should probably only be possible to open one instance at a time.