ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Creating a WINDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective......
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
Link functions (prefix syntax)
Link functions are used to link the interface with the data files (and vice versa)....
<Source>.UnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
<Source>.UnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
Camera functions
HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
HUnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
Link functions
Link functions are used to link the interface with the data files (and vice versa). These functions are as follows:...
WinEdSaveNote (Function)
Exports the repositionable notes created by the user into a file.
Sub-query
A sub-query is a query whose result is used by another query......
NoteCreate (Function)
Creates a Repositionable Note control in the curernt window through programming.
SQL selection conditions
To specify the selection conditions in an SQL query, you can use......
Creating help pages
A help system includes several pages......
Image control in a window
This help page presents the characteristics of an Image control found in a window...
ExecuteUpdateUI (Function)
Immediately executes the "Request for refreshing the display" event of the window, page, internal window, internal page, control template or supercontrol. This function is kept for backward compatibility.
ExecuteUpdateUIParent (Function)
Immediately executes the "Request for refreshing the display" event of the parent. This function is kept for backward compatibility.
Using the Google Maps service
The Google Maps service is an Internet mapping software proposed by Google......
Camera/Video functions (prefix syntax)
Natif Informix Connector for WINDEV and WEBDEV
WINDEV and WEBDEV propose an optional Native Connector to Informix (also called Native Access......
<Source>.LockFile (Function)
Locks a data file and restricts the access to this data file for all other sites or applications.
Appendix 3: Configuration file
Bloque entièrement ou partiellement un fichier externe....
RequestRefreshUI
Requests the execution of the "Request for refreshing the display" event (and gives back control without waiting for the execution of the event).
HLockFile (Function)
Locks a data file and restricts the access to this data file for all other sites or applications.
<Window>.EdCreateNote (Function)
Creates a Repositionable Note control.