In the last step of this quick start, you created an ASP.NET Web application and added the C1Editor control to your project. In this step, you will customize the appearance of the C1Editor control in Design view.

1. Right-click the C1Editor control to open its context menu and select Properties. The Properties window opens with C1Editor's properties in focus.
2. In the Properties window, complete the following tasks:
   • Set the Height property to "400px".
   • Set the Theme property to cobalt.

In the next step, you will build the project and sample a few of C1Editor's run-time features.