Refactor: use COM API for windows firewall rules

[JanitorialMess]

As discussed in #17, this PR replaces the Windows firewall block/unblock path with direct HNetCfg.FwPolicy2 / HNetCfg.FWRule COM calls instead of spawning cmd.exe -> netsh.exe once per rule.

The previous implementation handled each rule change by launching a separate shell process and waiting for it to finish. That makes block/unblock operations unnecessarily slow, especially when switching games or applying many rule changes in a row. See #17 (comment) for the comparison numbers.

Changes

• replace Windows firewall rule add/delete operations with direct COM calls
• keep ResetFirewallAsync() on netsh advfirewall reset (I wasn't able to find an alternative in the COM API)
• enable built-in COM interop in the project file

Notes

• this change only affects the Windows firewall implementation
• Linux firewall behavior is unchanged
• I tested this locally, but only on my own Windows machine

[FN-FAL113]

I'll take a look at this later, thanks.

[FN-FAL113]

Did you try publishing the app and running it?

command: dotnet publish ServerPickerX.slnx -c Release -r win-x64
output directory: ServerPickerX/bin/Release/net10.0/<runtime>/publish/

Seems to be not working, crashes. Might not be trim-compatible.

[FN-FAL113]

Tested it without trimming and it worked, so its not trim-compatible due to usage of reflection. Without trim, file size is 101 mb. Wondering if there's a way to support COM interop with trim-enabled apps by directly adding COM packages as dependencies

[FN-FAL113]

ServerPickerX-Windows.zip

Can you test this release (v1.0.4) before I merge this PR? Thanks. It references Interop.NetFwTypeLib.dll COM as a regular assembly and used for static types rather than using dynamic types. This allows the app to be trim-compatible

[JanitorialMess]

Seems to work just fine!

Unrelated but I noticed on that build (and probably on the main app) that the "New version available! Go to releases?" window is showing again every time I change the game from the dropdown and it doesn't get dismissed for the session. It spawns again. Unticking the box in the setting makes it completely disappear.

[FN-FAL113]

Seems to work just fine!

Unrelated but I noticed on that build (and probably on the main app) that the "New version available! Go to releases?" window is showing again every time I change the game, it's not just on startup. Unticking the box in the setting makes it completely disappear.

Thanks! Yeah the version checker relies on Github API. I haven't created a new release so it will check against v1,0,3.