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, ...
RegistryCreateKey (Function)
Creates a key in the Windows registry.
BitwiseAND (Function)
Returns the result of the bitwise AND between two values.
BitwiseNOT (Function)
Returns the result of the bitwise logical NOT operation of a value.
BitwiseOR (Function)
Returns the result of the (bitwise) logical OR between two values.
BitwiseXOR (Function)
Returns the result of the bitwise exclusive OR operation performed between two values.
HClose (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical...
HImportXML (Function)
Imports an XML file into an HFSQL Classic or Client/Server data file (data file described...
HOpen (Function)
Opens a data file.
HRetrieveItem (Function)
Returns the content of an item found in the current record (in the data file, view, query, ...).
grLegend (Function)
Indicates the presence and position of legend in a chart.
HToItem (Function)
Assigns the specified value to an item of the current record.
HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking...
HUnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead...
zipAddFileList (Function)
Adds a list of files (of any type) into an archive in ZIP, CAB, WDZ or 7z format and compresses it.
zipAddDirectory (Function)
Adds all the files found in a directory and in its subdirectories into an archive and compresses them.
zipChangePath (Function)
Modifies the stored path of a file in an archive (in ZIP, WDZ or 7z format).
zipNbPartNeeded (Function)
Returns the number of parts of a given size required to split a single-part archive.
zipDeleteFile (Function)
Deletes a file from an archive.
zipDeleteAll (Function)
Deletes all files from an archive.
zipFileSize (Function)
Returns the size of one of the files found in the archive (in CAB, RAR, WDZ, ZIP, 7z, TAR or TGZ...
Table controls in "Server + AJAX" mode
The Table controls can be 100% AJAX......
Manipulating Diagram Editor controls programmatically
In WINDEV and WEBDEV, you can handle Diagram Editor controls programmatically......
gStoredValueEnable (Function)
Allows (or not) retrieving the value defined by gStoredValue in a List Box or a Combo Box control.
<redisConnection>.PipelineAdd (Function)
Adds a Redis command in a pipeline.
<redisConnection>.ExecuteCommand (Function)
Executes a command on a Redis server and retrieves the result.