Undo the last action.
When all particles disappear,the current picture is recorded to the history. History can't record the particle.
Redo the previously undone action.
stop progress.
Push the button again to resume. It stops automatically when the application is inactivated.
show at the larger magnification.
show at the smaller magnification.
The particle paints.
The particle erases.
The particle makes blur.
Show or hide the general status panel.
Show or hide the spray panel.
Show or hide the color panel.
Show or hide the spray catalog panel.