[Armir]

Add a function to make the window close button minimize eMule to the tray. Make this feature enable in the settings. This is done in Flylink.
eMule closes every time when you click close, this is inconvenient.

[fox88]

eMule uses the Windows' standard behaviour, and there are no major advantages in changing that.
Checkbox Options -> General -> Prompt on exit will prevent immediate exit if the Close button was clicked by mistake.