OS: Windows 10, 64bit
After update to version 1.0 the title bar size info "{Size}" always show "0 Bytes".
Same behavior for: {Size B}, {Size KB}
The size info works correctly on Full screen.
Effect: Wrong size info in title bar, always shown as "0 Bytes" on any opened image.
To reproduce:
1. Open any image in XnView MP.
Actual behaviour (bug): Wrong size info in title bar

Expected behaviour: Show Image file size in title bar along with other info settings.
Example image: