Features and Options for List Box Fields

List box fields share many of the same features available for data fields, including the following:

• nYou can set the active, inactive, and skip attributes for the list box. See Chapter 15, "Changing the Appearance of Data Forms."
  
  
• nYou can set field options to control processing. (Only FORCECONVERT and SKIP are supported.) See Chapter 9, "Data Field Processing Options."
  
  
• nYou can specify a message to appear when the list box is active. See Chapter 9, "Data Field Processing Options."
  
  
• nYou can install context-sensitive help information for the list box. See Chapter 44, "The Help System."
  
  
• nYou can attach begin- and end-field functions and a validation function to the list box. See Chapter 31, "Writing User Functions," and Chapter 32, "Writing User Validation Functions."

The following additional features are available for list box fields:

• nYou can modify the list box window by, for example, adding a border title, changing the default border style, or adding scroll bars.
  
  
• nYou can insert, delete, replace, and sort items in a list box by modifying the associated memory file. See Chapter 45, "Creating and Viewing Memory Files."