ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

3-tier architecture
The development in "3-tier" architecture is now simplified......
Managing menu options in MDI windows
The MDI windows must respect some constraints specific to the MDI applications......
WEBDEV styles
The WEBDEV styles are advanced styles, easier to use than the CSS styles......
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......
Camera functions
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)....
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)....
HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
NoteCreate (Function)
Creates a Repositionable Note control in the curernt window through programming.
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......
SQL selection conditions
To specify the selection conditions in an SQL query, you can use......
ExecuteUpdateUIParent (Function)
Immediately executes the "Request for refreshing the display" event of the parent. This function is kept for backward compatibility.
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.
Using the Google Maps service
The Google Maps service is an Internet mapping software proposed by Google......
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.
Camera/Video functions (prefix syntax)
<Window>.EdCreateNote (Function)
Creates a Repositionable Note control.