Here are some of the articles on manipulating Access controls plus articles on check boxes, text boxes. At the top of each article you will see which collection (gold, silver or bronze) the article belongs to.
Working with groups of controls
Managing Margins Of Text Box and Label Controls
From Zoom Box to Custom Dialog
Validate input such as ZIP codes and postal codes
Giving Your Access Form Controls Web-style Behaviors
The full collections and related download files can be purchased here