Specifies the maximum number of characters that can be entered by the end user for the dialog element. It does not limit the number of characters settable programmatically.

For list view items and tree view items, this attribute specifies the maximum enterable label length, in characters.

Applies to	Column specification control, edit area control, input field control, list view item, selection box control, tree view item.
Data Type	I4
Default Value	0 (= unlimited) 253 for input field controls and selection box controls. Maximum system limits for edit area controls.
Possible Values	0 - 30000 for edit area controls, or 0 - 253 for input field controls and selection box controls (including column specification controls based on these two types), list view items and tree view items