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, ...
DateToWeekNumber (Function)
Returns the week number within the year that corresponds to the specified date.
DateToDay (Function)
Returns the day that corresponds to a given date.
StatusBarAddCell (Function)
Adds a new cell to the status bar of the current window.
HErrorStatusModification (Function)
Returns the status of a record during a modification conflict.
Managing the emails with the POP3/SMTP protocols
The POP3 and SMTP protocols are protocols for email management recognized by all Internet Service...
EmailReadPreviousHeader (Function)
Reads the header of the email found before the current email according to the protocol used (POP3...
XMLExecuteXPath (Function)
Executes an XPATH query: in an XML document. in an xmlDocument variable....
The Diagram Editor control
The Diagram Editor control allows users to create and edit diagrams in your applications...
<pdfDocument variable>.AddWatermark (Function)
Adds a watermark to all the pages of an existing PDF file.
<Connection variable>.Transaction (Function)
Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates...
<Connection variable>.TransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files...
<Connection variable>.TransactionEnd (Function)
Validates the current transaction: the modifications performed on the data file since the start...
OKCancel (Function)
Displays a message in a standard dialog box that proposes "OK" and "Cancel" and returns the user's...
Functions for managing Dates and Times (prefix syntax)
List of functions for managing dates and times...
WindowFromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items...
<xmlDocument variable>.Save (Function)
Saves an XML document in a file.
Date (Property)
The Date property is used to: Retrieve the date from a DateTime variable. Modify the date...
HFSQL Client/Server: Setting up the server
Returns the list of OLE DB providers and/or Native Connectors installed on the current computer....
SCM: History search
History search allows you to perform an advanced search in the history of operations performed...
SCM: Renaming or changing a computer
During the development phase, you may have to work on different computers......
PopupDisplay (Function)
Displays a popup in a page with a DDW effect (Dim Disabled Windows).
Responsive Web Design: Managing slices
In the WEBDEV editor, different resolutions are represented via slices......
WinEdDo (Function)
Runs an action (defined programmatically) and enables Undo/Redo operations on this action....
XMLSave (Function)
Saves an XML document in a file.