ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

The Splitter control
The Splitter control is used to divide a window into several distinct areas...
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword......
Null (Property)
The Null property is used to: Assign NULL to the item for the current record. Find out whether the item is associated with the NULL value for the current record. Define the default value of an item when the item is described through programming....
ThreadWaitSignal (Function)
Locks the current thread until it receives a signal from another thread.
SSL: Secure transactions with WEBDEV
When using an Internet application, the data circulating between the computer of the Web user and the Web server is not protected......
WEBDEV Image Editor control: Features
The WEBDEV Image Editor control includes many features, accessible via several ribbons at the top and bottom of the control......
Size (Example)
Usage example of the Size property
1. Creating pages
WEBDEV Tutorial: My first WEBDEV website Lesson 1 - Creating pages - 10 min
Various WEBDEV constants
Various WEBDEV constants...
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
Report based on a data file
A report based on a data file is used to print the records coming from a single data file (HFSQL Classic or Client/Server, accessed via a Native Access, ......
Warning 18: Loop without potential end
fSplit (Function)
Splits a file into several files.
Compile (Example)
Usage example of the Compile function
EnumControl (Function)
Returns the name of Nth control found in the specified element.
HImportXML (Function)
Imports an XML file into an HFSQL Classic or Client/Server data file (data file described in the data model editor or declared by HDeclare, HDeclareExternal or HDescribeFile)....
Events associated with the Map control
WINDEV, WINDEV Mobile and WEBDEV manage the following events by default (order of appearance in the code editor)...
Positioning table
Positioning the elements in a page is simplified by the use of a positioning table (HTML table)......
grDestinationImage (Function)
Defines an Image variable as destination of a chart.
ProjectInfo (Function)
Returns specific information about the project currently run.
ChangeCharset (Function)
Retrieves and/or changes the character set used: by all the screen fonts. by all the operations performed on the character strings (functions and/or operators)....
EmailSendMessage (Example)
Usage example of the EmailSendMessage function
The "Internal report" control
The "Internal report" controls are used to print several reports (secondary reports) in a single report (main report) without programming......
Screen,Get (External language)
Retrieves the value in a control or in a variable.
LOOP statement
The statement block is repeated endlessly...
HOpenConnection (Function)
Opens a connection to a specific database.