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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Null (Property)
The Null property is used to: Assign NULL to the item for the current record. Find out whether the item is associated with the NULL value for the current record. Define the default value of an item when the item is described through programming....
fCopyFile (Example)
Usage example of the fCopyFile function
fOpen (Function)
Opens an external file (ANSI or UNICODE) in order to handle it through programming.
fSep (Function)
Returns the separator of directory according to the current platform ('\' or '/')....
InitialValue (Property)
The InitialValue property is used to get and/or change an initial value....
SQLModify (Example)
Usage example of the SQLModify function
EmailDeleteMessage (Function)
Deletes the current email using the current protocol (POP3, IMAP, MS Exchange, Lotus Notes or Outlook).
ListCount (Function)
Returns the number of elements in a List Box, ListView or Combo Box control.
fDecrypt (Function)
Decrypts a file that was encrypted by fCrypt.
gpwRegisteredUsers (Function)
Returns the value that corresponds to "Registered users" according to the framework being used.
Length (Function)
Returns: the length of a string, i.e., the number of characters in the string (including spaces and binary zeros). the size of a buffer, i.e., the number of bytes in the buffer....
ThreadWaitSignal (Function)
Locks the current thread until it receives a signal from another thread.
fWrite (Function)
Writes: a character string into an external file. a memory section....
FirstDayOfMonth (Function)
Returns the first day of the month.
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword......
InVGAMode (Function)
Indicates whether the application is run in VGA mode on a mobile device.
ExtractLine (Function)
Extracts a specific line from a character string.
Creating your own User Macro-Codes
The User Macro-Codes are sections of WLanguage code allowing the end user to customize his application......
<Scheduler>.SelectMinus (Function)
Deselects an appointment from a Scheduler control.
<Scheduler>.SelectPlus (Function)
Selects an appointment in a Scheduler control.
<Scheduler>.DeleteAppointment (Function)
Deletes an appointment from a Scheduler control.