C#/VB.Net: Knowing what mode you’re currently executing in
Posted on 24 June 2009
It may not matter when you start your first Hello World application, but when time passes by and your applications become more and more complex, you often want to know where you are when your code is executed. Are you in Debug or Release Build, are you in Design or User Mode, is the application being debugged? Some answer to these and related questions are trivial, some aren’t at all. Ever tried testing the DesignMode property in a constructor? Ever needed to find out programmatically whether the application currently having the focus in the IDE is Release Build? After reading this article you know that you can’t always rely on the results from the CLR, at best they are vaguely reliable.
The information on how to do these things is scattered at best. After reading this article you’ll know how to robustly test the current running state for the following situations:
- Design or User Mode
–> as of yet, there hasn’t been a definitive answer anywhere online, but read on! - Debug or Release Build
- In IDE or outside IDE
- Having a debugger attached, or not
- Tracing On or Tracing Off
- Web application or Forms application
- How to insert a breakpoint in a release build
- A service, application, screensaver, dll
- Checked or Unchecked codeblock
- Code pre-evaluation mode
- The state of a UI Web Control through ControlState
- and more….
- Download: ready made class with ready made code for ready made answers.
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