# None

`None`(conditions)command

Performs command if no window which satisfies all conditions exists. The command is run in the context of the root window. Returns 1 if no window matches the conditions and 0 otherwise. See section for a list of conditions.

This command implies the conditions CirculateHit, CirculateHitIcon and CirculateHitShaded. They can be turned off by specifying !CirculateHit etc. explicitly.