When debugging it is sometimes interesting to know when a variable is accessed or
modified. Watch point is special breakpoints which does exactly this. A watch point
will suspend execution when a specified variable is accessed or modified.
To add/remove a watch point, right click on any variable in the outline view and choose
the "Toggle Watchpoint" option.
The watch point now appears in the Breakpoints view. The watch point can be configured
to suspend only when the variable is accessed or only when it is modified. Right click
on the watch point and choose "Properties…" to change these settings.
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