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, ...
Maximize (Function)
Displays a WINDEV window in its maximum size.
WinRedraw (Function)
Immediately redraws the window controls for which a graphic update is required.
NextIndex (Function)
Returns the number of the next row displayed in the current Table control.
DateSys (Function)
Returns or modifies the system date (current date defined on the current computer).
Max (Function)
Returns the greatest value passed as parameter.
Timer (Function)
Periodically and automatically calls a WLanguage procedure.
ThreadSendSignal (Function)
The current thread sends a signal to the specified thread in order to unlock it.
HRecordToXML (Function)
Retrieves the structure and the value of the current record and exports them into a character...
HSeek (Function)
Positions on the first record of the data file whose value for a specific item is greater...
EmailSend (Function)
Sends an email via the SMTP protocol while controlling the "buffer" of the email.
EmailSetTimeOut (Function)
Changes the value of the "timeout" for connecting to the SMTP, POP3 and IMAP messaging servers.
HChangeRplDir (Function)
Modifies the location for the description of subscriber replica (RPL file).
Constants for managing errors and exceptions
List of constants used by the functions for managing errors and exceptions....
HListProvider (Function)
Returns the list of OLE DB providers and/or Native Connectors installed on the current computer....
HMode (Function)
Changes the mode and the method for locking data files.
Easter (Function)
Returns the date of Easter for the specified year according to the western Christian calendar.
DateTimeLocalToUTC (Function)
Converts a local date and time (time zone, summer time, winter time) to UTC.
DateTimeUTCToLocal (Function)
Converts a UTC date and time to local time (time zone, summer time, winter time).
grSourceCategoryLabel (Function)
Defines the source of the category labels.
grSourceSeries (Function)
Defines the source of a series.
grAutoRefreshSeries (Function)
Identifies or defines whether a series is refreshed whenever the chart is drawn.
<Diagram editor>.StartModification (Function)
Indicates the start of a series of actions performed in a Diagram Editor control in a single event...
<Diagram editor>.EndModification (Function)
Indicates the end of a series of actions performed in a Diagram Editor control in a single event...
HTMLToPDF (Function)
Converts an HTML string or buffer to a buffer containing a PDF document.
<Diagram variable>.Load (Function)
Loads a diagram into a Diagram variable from a ".wddiag" file, a memo or a binary buffer.