A text item is an interface control that displays and allows editing of text. The text is displayed in a field in either single or multi-line format.
A text item appears as an empty rectangular box or container. By default, an editor can be invoked from any text item.
Manipulating text items at runtime
About single-line and multi-line text items
About text item maximum length
About required text item values
About fixed-length values for text items
About specifying a valid range of values for a text item
About restricting text items to upper or lower case
About maintaining cursor position