ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Dynamic instantiation of a .NET object
A .NET object can be dynamically associated with a .NET class, we talk of dynamic instantiation of object....
Burning a CD/DVD
Several WLanguage functions are used to burn the CDs or DVDs......
Handling a TreeView control at runtime
When the TreeView control is in edit, the user can expand or collapse the different levels of the tree structure by clicking the treeview elements....
14. PHP generation in practice
Salesforce functions (prefix syntax)
List of Salesforce functions (prefix syntax)...
The Internal Window control
The "Internal Window" control is used to include a window (and its code) in a control of another window......
AJAX programming
The diagram below presents the use of "programmed AJAX" in a WEBDEV site......
External language: Programming in C#
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
Thumbnail (Property)
The Thumbnail property can be used on: the items of an HFSQL data file. For more details, see Thumbnail property on items. the Thumbnail controls (WEBDEV only). For more details, see Thumbnail property on Thumbnail controls....
Break in a Table control
A break in a Table control is used to group the data corresponding to one or more arguments......
VisibleOutsideWindow (Property)
The VisibleOutsideWindow property is used to: determine if a button is visible even if its position (X,Y) is outside the border of the window (entirely or partially). modify the visibility of an "off-window" button....
The "Window position preview" pane
The "Window position preview" pane is used to view and/or modify the opening position of the windows currently modified (according to the screen resolution used)......
Num1stDayOfTheWeek (Property)
The Num1stDayOfTheWeek property gets and sets the 1st day of the week displayed in: a Calendar control. an Organizer control. a Scheduler control. an edit control in Date format with Calendar....
StoreTheValue (Property)
The StoreTheValue property is used to: Find out whether a control keeps its value between two application starts via the persistence. Modify a control so that it keeps (or not) its value between two application starts via the persistence....
How to populate a Table control programmatically?
This help page presents the different methods that can be used to populate a Table control programmatically....
VisibleInExportAndPrint (Property)
The VisibleInExportAndPrint property is used to: Find out whether a column of a Table or TreeView Table control is visible for export and printing. Modify the visibility of a column in a Table or TreeView Table control for export and printing....
TitleColor (Property)
The TitleColor property is used to: get the text color of a column title in a Table or TreeView Table control. set the text color of the title of one or all columns in a Table or TreeView Table control....
HTMLEdit (Property)
The HTMLEdit property is used to: find out whether a Word Processing control is displayed in optimized mode for HTML editing, modify a Word Processing control to display it (or not) in optimized mode for HTML editing....
Range Area chart
The Range Area chart is used to show a variation between a high and a low value......
DefaultFilePath (Property)
The DefaultFilePath property gets and sets the full file name (path and file name) suggested by default when saving a document in a Word Processing or HTML Editor control via the "Save as" option.
Editing the CSS style sheet
WEBDEV gives you the ability to manage all the CSS styles used in a project......
NbItem (Property)
The NbItem property is used to get the total number of items (including composite keys) in a record of: a file described in the data model editor, a file described programmatically, an HFSQL view, a query....
Key and referential integrity
In an analysis, the "Key" items are also used to manage the consistency of data (called referential integrity)......
Y (Property)
The Y property is used to: Find out the Y-coordinate of a control or window (position on Y-axis). Modify the Y-coordinate of a control or window....
HCancelDeclaration (Function)
Used to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....