ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

OutlookStartSession (Function)
Allows you to access data handled by the Outlook messaging software (emails, contacts, groups of contacts, tasks, appointments and folders).
MandatoryInputMessage (Property)
The MandatoryInputMessage property is used to identify and set the message that will be displayed if the control is left empty (when the MandatoryInput property is enabled).
<Source>.PrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
<Source>.ReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
PageEndStick (Property)
The PageEndStick property is used to: Determine the page footer should be right below the last block. Change the page footer block options....
nWDSetCallbackNext
Set the "callback" called when using the WDKEY and RETURNWDKEY keywords for the next window to open (in C, Pascal and Visual Basic only)......
Extended (Property)
Extended is used to: Find out whether a Font variable is extended. Extend (or not) a Font variable. This property is kept for backward compatibility....
Large (Property)
Large is used to: Find out whether a Font variable is enlarged. Enlarge (or not) a Font variable. This property is kept for backward compatibility....
EmailReadLastHeader (Function)
Reads the header of last incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
NetGetFile (Function)
Retrieves an existing file from an FTP server (File Transfer Protocol) powered by WINDEV. This function is kept for backward compatibility....
HTTPTimeOut (Function)
Sets the timeout for WLanguage functions that use the HTTP protocol (HTTPRequest, SOAPExecute, DotNetExecute, J2EEExecute, etc.).
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
<Table>.CellSelectOccurrence (Function)
Returns the number of selected cells found in a Table control. This function is kept for backward compatibility. It is recommended to use TableSelectCount.
EmailStartOutlookSession (Function)
Allows you to access data handled by the Outlook messaging software (emails, contacts, groups of contacts, tasks, appointments and folders).
WLanguage procedure called by SCPSendFile
WLanguage procedure ("callback") called by SCPSendFile when transferring files to a remote host using the Secure Copy Protocol (SCP).
iCloudKeyValueListKey (Function)
Lists the keys contained in an Apple iCloud-based container of "key-value" pairs.
Termination (Property)
The Property Termination is used to define the Procedure WLanguage executed when moving to the next/previous step or at the end of the guided tour....
WDAdminHF: Managing the server
During the connection to the remote HFSQL administrator, you must specify the HFSQL server that will be taken into account......
Sequence diagram
A sequence diagram represents the chronological order of messages sent and received by a set of objects......
ComboClose (Function)
Closes the drop-down list in a Combo Box control (simple or multi-column Combo Box control).
List Box, ListView and Combo Box control functions
List of functions for managing List Box, ListView and Combo Box controls...
Content (Property)
The Content property is used to read or write the whole content of a control: List Box populated programmatically, Combo Box populated programmatically, Spreadsheet....
The Text control: Input or display masks
WINDEV, WEBDEV and WINDEV Mobile propose two types of masks......
PropertyExist (Function)
Used to find out whether a property exists on a control or on a class instance.
How to create an SQL query with a calculation formula?
This help page explains how to create a query with a calculation formula with the query editor....