About the Control Manager
You can use the Control Manager to
Your application performs these actions by calling the appropriate Control Manager routines. The Control Manager carries out the actual operations, but it's up to you to decide when, where, and how to carry these out.
- create and dispose of controls
- display, update, and hide controls
- change the size, location, and appearance of controls
- monitor and respond to the user's operation of a control
- determine and change the settings and other attributes of a control