Can You Determine Design Mode from a Control's Constructor?

Detecting Design Mode within a Control's Constructor

A prior question raised doubts about determining design mode from within an object's constructor. This article explores a method to achieve this.

Determining Design-Time Status

To identify if a control is in design mode or runtime mode during its construction, leverage the LicenseUsageMode enumeration found in the System.ComponentModel namespace.

Code Example:

<code class="language-csharp">bool isInDesignMode = (LicenseManager.UsageMode == LicenseUsageMode.Designtime);</code>

This concise code snippet uses the LicenseManager.UsageMode property to return a Boolean value. true signifies design mode (visual component manipulation within the IDE), while false indicates runtime mode.

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