T4 tip (debug)


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T4 tip (debug)

while I was writing the post on T4 debugging (here),

I had show how to use System.Diagnostics.Debugger.Break()

in order of getting the debugger stop.


actually there is 2 problem with this pattern:

  • the break point remain active while no debugger is attached.
  • it cause VS to crash when ever saving the t4, when the debugger doesn’t attached.

we can overcome those issues by changing the pattern to match the following:

Code Snippet
  1. if (System.Diagnostics.Debugger.IsAttached)
  2.     System.Diagnostics.Debugger.Break();



using the IsAttached pattern will prevent the breaking point activation

as long as the no debugger is attached.


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