Click the [Full Screen] button while displaying the file in File View.
After viewing a file in full screen mode, you can operate some functions and activate slideshow using Toolbar and Context Menu.

< Toolbar
The Toolbar is displayed by pointing the mouse cursor on the bottom of screen in full screen mode.
The following functions can be operated.

[File Name]
The file name is displayed.
[Show/Unshow File Descriptions]
Click this to show or hide the description of the file.
[Interval setting]
Select an interval to flip a page of slideshow from 3, 5, 10, or 30 seconds.
[Previous Page]
View the previous page.
[Play Slideshow]
Start to view a slideshow.
[Next Page]
View the next page.
[Fix/Unfix tool bar]
Lock the Toolbar so it cannot be moved.
[Exit]
Exit full screen mode.
< Context Menu
The following functions can be operated by selecting a command from the context menu displayed by right-clicking the file in full screen mode.

[Previous File]
View the previous file.
[Next File]
View the next file.
[Previous Page]
View the previous page.
[Next Page]
View the next page.
[Play Slideshow]
Start to view a slideshow.
[Pause Slideshow]
Pause a slideshow.
[Interval setting]
Select an interval to switch a page of slideshow from 3, 5, 10, or 30 seconds.
[Show File Descriptions]
Select this to display the file description when viewing the file in full screen mode.
[Exit full screen]
Exit full screen mode.