This was tip #16 for my TechEd VS IDE Tips and Tricks talk.
I believe this has been around since 2005, but maybe the white ‘+’ is new for 2008?
When you only want to break under certain conditions, you can right-click on a breakpoint red circle (or go to the Breakpoints Window and bring up the context menu on a given breakpoint) and select Condition to bring up the dialog box for conditional breakpoints.
You’re given two options: break only when the specified expression is true or break only when the specified value has changed. For this example, since I’m in a for loop, i’ll break when the value of i > 5.
You’ll notice that the breakpoint circle now has a red plus on it to indicate it is conditional.
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