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Editorial Team
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Asked: 2026-05-25T11:43:37+00:00

From within a class library, I’d like to know if it is being accessed

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From within a class library, I’d like to know if it is being accessed during design mode as opposed to normal runtime.

I tried using System.ComponentModel.LicenseManager.UsageMode but it seemed to have a value of Runtime even when I was editing a form.

UPDATE:
To clarify, I want to know if I am in design mode not from within a component, but rather from within a separate class that happens to be called by other items from within a form or control. I have a Utility class which is being called indirectly from a control and it is there that I need to know if I am in design mode or not.

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1 Answer

  1. Editorial Team

    I don’t think Component.DesignMode will help in this case. What if the component or control is not loaded on the forms designer ? What you may try in this case is, create an enum that only sets the one value at normal startup which otherwise remains to another value by default. You can now check the value of the enum instance and decide if it’s a design-time or runtime.

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