13

In C#/VB in Visual Studio 2010, is there way in the code to determine whether the program is currently running in the IDE or not?

eg. If ProgramRunningInIDE Then MessageBox.Show exc.Message
CJ7
  • 22,579
  • 65
  • 193
  • 321

2 Answers2

34

You could check if the debugger is attached with:

System.Diagnostics.Debugger.IsAttached

This essentially does the same thing.

Morrison Cole
  • 3,087
  • 1
  • 15
  • 19
  • Does this return true if in the IDE but in release mode? – Steve Smith Nov 07 '19 at 15:41
  • 1
    @SteveSmith technically it can return false even in debug mode, so long as a debugger is not attached. The debugger can be attached to release builds too, in which case this will return true. – Morrison Cole Nov 09 '19 at 07:44
-2

There is an IsInDesignMode property you can use. In some circumstances it isn't accurate, though, so you additionally may want to check the UsageMode.

public static bool IsRunningInIdeContext
{
    get {
        if (DesignerProperties.IsInDesignMode)
            return true;
        return LicenseManager.UsageMode == LicenseUsageMode.Designtime;
    }
}
fjdumont
  • 1,517
  • 1
  • 9
  • 22
  • 1
    IsInDesignMode can be used by a control (in a library) to understand if it's hosted in the designer(visual studio) or in a running application, but it have nothing to do about detecting if the application have been launghed by the IDE or not. IsInDesignMode will return true only for a control that have been istantiated BY the IDE, not if the app is launched by the IDE – Max Mar 08 '13 at 11:47
  • Then please clarify that in your question. This is pretty much what I understand by 'the program is currently running in the IDE'. – fjdumont Mar 08 '13 at 11:57
  • 1
    @fjdumont During design-time your program isn't actually running, is it? – mg30rg Feb 02 '16 at 13:21