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Applications / Re: Timidity MCD install (Minstaller).
« on: October 19, 2019, 09:33:19 pm »I am not in front of my PC but if you have XWorkplace installed you can then use the WPS class browser to show all WPS classes. You will then be able to guess from the WPS class name what is the WPDataFile derived WPS class that handles MIDI files. It should be called "MMMIDI" or something like that. If you found it you can right click on that WPS class and choose "deregister" and it will no longer be registered. You can then restart the WPS. What you should do is to note down the DLL that implements the WPS class and also the WPS class name. You can then reregister the WPS class in case you want to do that.
Ok, I do have XWorkplace and have deregistered the MMMIDI class by selecting "Deregister" as you indicated (1st image) and at that moment the MMMIDI class disappeared from its position, but then after rebooting nothing has changed, midi files are with same icon as before and same context menu with "play" item by default.
Furthermore, by reopening the WPS class browser, MMMIDI is there again, without possibility to act on its context menu because the items are shadowed (2nd image)