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How do you debug a WPF user control in design mode?

I have a wpf user control I created that contains a label. The label's foreground setting changes based on some code that checks a number of conditions. The label in my control is displaying the wrong color at design time but I cannot figure out how to debug my user control at design time so that I can have it catch breakpoints (and thus figure out where my logic is flawed). The color on the control is correct at run-time, it is only at design time that it is displayed incorrectly.

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WiredWiz Avatar asked Dec 14 '14 23:12

WiredWiz


1 Answers

Here are the steps to debug a control at design time:

  • Start a second instance of Visual Studio
  • Attach to the first instance from the Debug menu
  • In the second instance, open the source code of your control
  • Set breakpoints at appropriate locations
  • In the first VS instance, reload the designer

Note that this technique isn't limited to controls; you can also use it to debug VS extensions, or anything that executes within Visual Studio.

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Thomas Levesque Avatar answered Sep 22 '22 12:09

Thomas Levesque