The Diagram Trace Utility lets you toggle a watchpoint (data breakpoint) on one or more selected variables in the Variables view. This toggle adds a data breakpoint to the Breakpoints view for each selected variable if no watchpoint exists or removes the existing breakpoint associated with each selected variable.
The inherent condition associated with this data breakpoint is break if value has changed. The value of the selected variable is evaluated before the execution of each statement. When the value changes, program execution is suspended at the current executable statement.
To Toggle a Watchpoint, select a variable in the Variables view, right-click the selected variable and select Toggle Watchpoint from the pop-up menu.
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