Search notes:

DisplaySwitch.exe

Display Switch
DisplaySwitch.exe can be used on the command line (cmd.exe, PowerShell) to open the presentation (or projection) sidebar.
The presentation sidebar can also be opened with the windows+p keyboard shortcut.
The presentation sidebar allows to choose from four options:

Command line options

The chooseable options can also used with command line options:
displayswitch /internal Use one monitor, the internal one, only.
displayswitch /clone Show the same content on both (all?) monitors.
displayswitch /extend Make content larger, allow mouse to move from one monitor to the other.
displayswitch /external
Apparently, these options are related to multiple displays found in desk.cpl.

See also

Primary and secondary monitors, etc.

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Windows/...', 1756326884, '216.73.216.101', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Windows/dirs/Windows/System32/DisplaySwitch_exe(63): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78