XnView does not use the font of my Linux system

[IxenPDF]

I use XnView with MX Linux (Debian Based).

I have noticed that XnView does not use the font I have set in the Linux system. It's any other font.
Is there a way to force XnView to use the font from my system?

Would appreciate some solution. Thank you.

[xnview]

sorry but i don't know

[IxenPDF]

Thank you.
You could take me one step further if you could tell me which font XnViewMP uses in Linux to represent the names of files in its file manager. What is the name of the font you use in XnViewMP (Debian based)?

Would appreciate some answer.
Thank you very much.

[xnview]

You could take me one step further if you could tell me which font XnViewMP uses in Linux to represent the names of files in its file manager. What is the name of the font you use in XnViewMP (Debian based)?

I don't know which default font is used, i think that QT use default theme's font