ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Generation of a class diagram using reverse engineering
WINDEV, WINDEV Mobile and WEBDEV allow you to create the class diagram of an application using reverse engineering (files "......
ERR_DISCONNECTED_RELOG
Configuring the "Relative duration" mask (date and time in natural language)
WINDEV, WEBDEV and WINDEV Mobile propose to use a "Relative duration" display mask for the Date controls......
Error 108: The size of the variable is not allowed
Operations available for the dates, times and durations, ...
The following operations are available for the following types of variables......
Error 27: No END statement is associated with this ELSE
OrganizerSelectedRange (Function)
Returns the start or end date and time of the time slot selected in an Organizer control.
SchedulerSelectedRange (Function)
Returns the start or end date and time of the time slot selected in a Scheduler control.
WDTRAD overview
Sliding Banner functions (prefix syntax)
The following functions are used to handle the Sliding Banner control via prefix syntax...
<Organizer>.SelectedRange (Function)
Returns the start or end date and time of the time slot selected in an Organizer control.
<Source>.RecordDate (Function)
Returns the date and time that an HFSQL record was last modified (Classic or Client/Server)....
Preventing the use of the browser's "Back" button
If the browser "Back" button is used to display the previous page, this action will have no effect......
H.NbRetryRead (Variable)
Indicates the number of attempts to read the file or record before giving control back to the program.
H.NbRetry (Variable)
Indicates the number of attempts for locking the file or the record before giving control back to the program.
BTLE functions
The following functions are used to handle the Bluetooth Low Energy devices:...
<Connection variable>.Backup (Function)
Backs up the contents of an HFSQL server: all server databases, one or more databases, one or more tables.
HBackup (Function)
Backs up the contents of an HFSQL server: all server databases, one or more databases, one or more tables.