ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Mechanism of specific exceptions
A process of specific exception is used to process a risky code (which means a code that could trigger an exception)...
<Source>.Track (Function)
Starts tracking write actions (addition, modification or deletion) performed on a file found in an HFSQL server.
The different states of a Button control in a window
In WINDEV or WINDEV Mobile applications, Button controls can have multiple states......
Information 2103: 'Double' does not exist anymore: the reals are coded on 8 bytes
<Image>.Occurrence (Function)
Returns the total number of images taken into account by the scroll.
ImageOccurrence (Function)
Returns the total number of images taken into account by the scroll.
Looper controls populated programmatically: Operations in WLanguage
Here is an overview of how to handle Looper controls populated programmatically in WLanguage....
Managing a Text token Edit control
...Interfaces that use token controls are common. A Token control contains variable amounts of information in a limited area....
Handling List Box controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle List Box controls....
DndSource (Property)
The DndSource property is used to determine and change a control's drag-and-drop behavior....
Handling a Multiline Zone control programmatically
...A Multiline Zone control can be handled programmatically using the control name....
"Preset controls" pane
The "Preset controls" pane proposes several preset controls that can be included in the current window or in the current page by "Drag and Drop"......
Characteristics of a toolbar
The main characteristics of a "Toolbar" control are configured in the "Details" tab and in the "UI" tab of the description window of control......
Manipulating controls in a page
The different operations that can be performed on the page controls are as follows......
PageToFile (Function)
Automatically updates: the value of the items in a data file with the value of the controls in the page. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
<Page>.ToFile (Function)
Automatically initializes: the value of the items in a data file with the value of the controls in the page. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
Information 2102: 'Long' does not exist anymore: the integers are coded on 4 bytes
Error 1009: The member of the class is private
Error 809: The * character cannot be used as mandatory parameter in a function
Error 106: Redefinition of a global variable
Specific features of the applications for iPhone/iPad
Filter (Property)
The Filter property is used to identify and change the filter applied to records in: Table controls based on a data file, browsing TreeView Table controls, browsing List Box controls, Combo Box controls based on a data file, browsing Looper controls....
Anchor of overlaid controls (in a page)
WEBDEV allows you to define overlayable controls......
Handling controls in a window
The different operations that can be performed on the window controls are as follows......
Reset (Function)
Reinitializes: all the controls found in the current window or page (including the groups of controls, the supercontrols and the internal windows). the controls found in a group of controls, a supercontrol, an internal window or an internal page....
ControlGrayed (Function)
Grays a control or a group of controls. An animation can be set on the controls during this operation.
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