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How to make a “Hello World” user control

How easy is it to make User Controls? After completing this “step by step” process you will have the basic knowledge to start developing them.

The purpose of this document is to explain how to create a simple "Hello World" user control. This is a basic control that exemplifies the use of the User Control Editor, which – through a JavaScript code – will allow you to create your own controls to later incorporate into the GeneXus X Toolbox.

After reading this tutorial you will be able to start creating the most interesting User Controls such as menus, Treeviews, Silverlight or whichever ones you can imagine.

General procedure

Open the UCE (UserControlEditor.exe file, in the GX installation directory).

Create or edit the UC.

Define its properties and behavior.

Save.

Execute GeneXus.exe /install through command line.

Open GeneXus as usual.