The program supports the following functions keys.
Left Mouse Button
The left mouse button is used to select all menu options and toolbar options by clicking on the required option
with the left mouse button.
Right Mouse Button
This invokes a context sensitive menu, depending on the current mode (Points, strings etc).
Select the required menu option with the left mouse button.
The scroll wheel on the mouse, if you have one of the newer models, will scroll the screen view:
Roll forward - Scroll screen viewport up (picture moves down)
Roll back - Scroll screen viewport down (picture moves up)
Hold down the Control key
Ctrl/roll forward - Scroll screen viewport left (picture moves left)
Ctrl/roll back - Scroll screen viewport right (picture moves right)
Hold down the Shift key
Shift/roll forward - Zoom IN
Shift/roll back - Zoom OUT
For more info on keyboard functions click here
For more info on screen manipulation click here