ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage...
3-tier architecture
The development in "3-tier" architecture is now simplified...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
Principle of remote check
WEBDEV proposes several methods for deploying a dynamic site...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
<Chart>.TimeLevelMask (Function)
Defines the display mask for a level of time scale in a chart.
<Chart>.TimeLevelMax (Function)
Defines the number of levels to display in the time scale of a chart as well as the maximum level.
<emailSessionIMAP variable>.ChangeStatus (Function)
Changes the status of an email on a messaging server.
<EmailOutlookSession variable>.GetAll (Function)
Retrieves all the emails found on an Outlook server.
<Page>.Display (Function)
Displays a web page in the user's browser....
<Array>.Sort (Function)
Sorts a WLanguage array.
<Window>.Open (Function)
Opens a modal WINDEV or WINDEV Mobile window.
<Source>.DescribeTrigger (Function)
Adds or modifies a trigger on an HFSQL data file.
<Source>.LockFile (Function)
Locks a data file and restricts the access to this data file for all other sites or applications.
<Source>.ChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
<Source>.DeleteTrigger (Function)
Deletes a trigger.
<Source>.StatNbDuplicates (Function)
Returns the number of duplicates for a given key item.
<Source>.StatNbRecRange (Function)
Returns an estimate regarding the number of entries for a given key item in a given interval...
<Source>.StatNbRec (Function)
Returns the number of entries for a given key item.
<Source>.LogInfo (Function)
Adds comments to the log when saving the operation.
<Source>.LogRecreate (Function)
Used to re-create an empty log.
<Source>.LogRestart (Function)
Restarts the logging process on a file.
<Source>.LogStop (Function)
Stops the log process of a file.
<Source>.Password (Function)
Defines the password used to create or open a data file.
Size (Property)
The Size property is used to determine and change the size of an element.
Reset (Function)
Reinitializes: all the controls found in the current window or page (including the groups...
ClipboardFormat (Function)
Identifies the format of information found in the clipboard.
SemaphoreCreate (Function)
Creates a semaphore.
SemaphoreStart (Function)
Locks the current thread until the semaphore is opened (which means until a "free" spot becomes...
SemaphoreDestroy (Function)
Explicitly destroys a semaphore.