Directory open problem with DC

Hello,

With most file managers I used, when setted as default, other settings can open them in a specific directory(e.g chrome's download manager, open downloads folder shortcut), but in DC this doesn't work. DC opens with previous saved tabs always. It also cannot open a specific directory if I use xdg-open or exo-open command followed by a path. But it opens to that path with doublecmd followed by the path. For example, "exo open /etc/default" or "xdg-open /etc/default" doesn't open DC in that directory(DC is setted as default file manager), but with "doublecmd /etc/default" it opens in "default" directory.
Is this a bug or can I configure it somehow?

Please help.

I didn't find the right solution from the Internet.

References:-
https://doublecmd.sourceforge.io/forum/viewtopic.php?f=5&t=3521
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Thanks