Properties column: another use

[meRobs]

The Properties column in XnView contains the Size of image files (JPG, BMP, TGA, etc), but for most other types the column is empty.

It would be very useful if this column contained the Duration (similar to size) for Video files (AVI, MPG, WMV, FLV, etc) and Audio files (MP3, WAV, WMA, etc).
As I say, currently these playable files have no data in the Properties column.

It should not be difficult since the duration-data is available -- it is currently displayed in the Preview window when a file is selected.