When trace drawing is active the following functions are available when the right mouse button is pressed.:
Trace drawing all angle
Arc trace drawing (90 degrees)
Arc trace drawing (45 degrees)
Display clearance
Display two trying traces
Display via option
Highlight/unhighlight net
Switch to another layer
Delete trace
Goto previous trace segment
Change trace width
Change clearance
Change cross hair of the mouse cursor
Change design rules net
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