ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Composite keys
A composite key is a key item containing several other items......
Property Description (Type of variable)
The Property Description type is used to get information about a property.
PopupDisplayPage (Function)
Displays a WEBDEV page as a popup in the current page with a DDW (Dim Disabled Windows) effect.
HOpenConnection (Example)
Usage example of the HOpenConnection function
TestCheckNull (Function)
Checks whether an expression is Null in assertive programming and in automated test mode.
TestCheckNotNull (Function)
Checks whether an expression is not Null in assertive programming and in automated test mode.
TestCheckDifferent (Function)
Checks whether the specified expressions are different in assertive programming and in automated test mode.
Extra (Property)
The Extra property is used to: Get additional information about a control, window, or page. Edit additional information of a control, window or page. In browser code, you can only get additional information of a control or page....
Navigation map
The site map path is used to implement the structure and the sequence of pages in your site......
HDFS functions
The following functions are used to manage files on a HDFS system......
WDZip: Creating or modifying an archive
This help page explains how to......
Border (Type of variable)
The Border type is used to handle a border through programming...
Pyramid charts
Pyramid charts allow you to view data in descending order......
MenuClone (Function)
Clones a menu or a menu option as well as the associated code.
diffCreate (Function)
Compares two buffers and creates a buffer containing the differences between these two buffers.
AnimationPrepare (Function)
Prepares the animation on a control, a group of controls or a window.
StartVisibleRange (Property)
The StartVisibleRange property is used to: get and change the first visible date or time in a Scheduler or TimeLine control. change the first visible time in a TimeLine control....
EndVisibleRange (Property)
The EndVisibleRange property is used to: find out and modify the last visible date or time in a Scheduler control or in a TimeLine control. modify the last visible time in a TimeLine control....
zipFilter (Function)
Returns the list of archive formats supported by the current platform, in the format expected by the filter of fSelect.
FilterWithBounds (Property)
The FilterWithBounds property is used to determine if bounds have been specified for the filter implemented by HFilter on an HFSQL data file, view or query.
KeyExpression (Property)
The KeyExpression property is used to set the different components of a composite key.
HugeFile (Property)
The HugeFile property is used to configure the maximum size of a data file.
NbKeyItem (Property)
The NbKeyItem property is used to get the total number of key items (including composite keys) in a record of: a file described in the data model editor, a file described through programming, an HFSQL view, a query....
xlsNbRow (Function)
Returns the number of rows found in an XLS file.
EncryptAsymmetricEnveloped (Function)
Performs an asymmetric encryption of an envelope.