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What is Variable Window

Show the information of variables etc on debugging.

Screen

Menuthe command of the debug.rbExplanation
Globalv gshow global variables
Localv lShow local variables.
InstVarv i selfShow instance variables of the current object.
Object-Show the name and count of objects in the ObjectSpace.
Threadth lList all threads.+ is the current thread.
FramewDisplay frames
Caller-Show caller list.

Variable Window Menu

Add Display
Add the selected variable.
Edit Variable
Edit the selected variable.
Display
disp Display expression list
UnDisplay
Delete one particular display expressions.
Thread Switch
Double click Switch thread context to the selected.
Thread Stop
Stop thread selected.
Thread Resume
Resume thread selected.
Set Frame
Switch frame to the selected.
Object Inspector
Show the selected variable in Object Window.
Stay On Top
Stay on top when undocking.