fd3fa0cf_essageBox_Object_documentation__Property_Description
[Property] NotAgainText [Type] cstring(255),static [Property Description] 
This is an optional string which contains the text for the DontShowThisAgain checkbox. If the string is blank then the default 'Don't show this again' text will be used. This text must be cleared before the next message box is called to return to the default text.
Capesoft MessageBox Object documentation
Property Description