We use cookies to give you the best experience on our website. If you continue to browse, then you agree to our privacy policy and cookie policy. (Last updated on: November 16, 2018).
Unfortunately, activation email could not send to your email. Please try again.
Syncfusion Feedback
Platform : WinForms
Category : Tips

How can I tell my form is being used in design time and not runtime

Check the the property Form.DesignMode.

But, note that when in Visual Inheritance mode (designing a derived form), your Control’s DesignMode property will be true when the base form’s constructor gets executed in the design-time.

To workaround this, you could check if the app in which your control is running is not devenv.exe, as follows:

Warning Icon You are using an outdated version of Internet Explorer that may not display all features of this and other websites. Upgrade to Internet Explorer 8 or newer for a better experience.Close Icon