ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Looper>.CollapseExpand (Function)
On a given row of a Looper control:
  • collapses a break (if it is expanded),
  • expands a break (if it is collapsed).
The Linear Looper control
A Linear Looper control is used to display a set of controls in a horizontal scrolling list...
LooperCollapse (Function)
Collapses a break that was expanded beforehand in a Looper control.
Report based on a Looper control
A report based on a Looper control is used to directly print the information displayed in the control...
Linear Looper control properties
Merges the specified cells in an Excel document.
<Looper>.Expand (Function)
Expands a break in the Looper control on a given row.
'Image gallery' Looper control
The "Image gallery" Looper control is used to manage the display of a set of images without programming...
LooperAddInProgress (Function)
Gets or sets the display mode of the internal loading window used when additional elements are loaded in an Infinite Looper control.
LooperCollapseAll (Function)
Collapses all expanded breaks in a Looper control.
<Looper>.ExpandAll (Function)
Expands all breaks in a Looper control with break.
Looper control functions
List of functions for managing Looper controls
Display different content for each row
In a Looper control, a different content can be assigned to the Table, Chart, List Box and TreeView controls...
FOR EACH/FOR ALL statement (loop through controls)
The statement FOR EACH is used to perform different types of browse on the controls (List Box, Table or Looper controls)...
LooperExpand (Function)
Expands a break in the Looper control on a given row.
FAA: Increase the height of the lines in the Table or RepeatString fields.
In Table, TreeView Table and Looper controls, the user can resize the height of rows, in read-only or in edit...
Looper control populated programmatically
A Looper control populated programmatically is directly linked to lists stored in memory...
LooperAddIWBeginning (Function)
Adds a row consisting of an internal window at the beginning of an Infinite Looper control. The row is inserted before the first row in the Looper control. The scrollbar of the Looper control remains at the same position.
LooperExpandAll (Function)
Expands all breaks in a Looper control with break.
Looper control functions (prefix syntax)
List of Looper control functions (prefix syntax)
<Looper>.RefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
<Looper>.Collapse (Function)
Collapses a break that was expanded beforehand in a Looper control.
The Looper control
A Looper control is used to repeat the controls found in a specific area...
Infinite Table and Looper controls
There are two methods to populate Table and Looper controls programmatically...
<Looper>.AddInProgress (Function)
Gets or sets the display mode of the internal loading window used when additional elements are loaded in an Infinite Looper control.
LooperRefreshVisible (Function)
Changes or returns the visibility status of the refresh bar in a Looper control.
LooperCollapseExpand (Function)
On a given row of a Looper control:
  • collapses a break (if it is expanded),
  • expands a break (if it is collapsed).
Looper control based on a table
This type of Looper control uses data from a table or query...
<Looper>.AddIWBeginning (Function)
Adds a row consisting of an internal window at the beginning of an Infinite Looper control. The row is inserted before the first row in the Looper control. The scrollbar of the Looper control remains at the same position.
<Looper>.CollapseAll (Function)
Collapses all expanded breaks in a Looper control.
dbgInfo (Function)
Returns a debug information.
GanttLink (Type of variable)
The GanttLink type is used to define the advanced characteristics of a link between two tasks of a Gantt chart.
DynamicSiteDisplay (Function)
Starts a dynamic WEBDEV site from a static page or or from a dynamic WEBDEV page.
grLabelFont (Function)
Modifies the font used for the category labels of a chart.
grCategoryLabel (Function)
Initializes the label of a data category (or section) in a chart.
grCreateFont (Function)
grCreateFont is kept for backward compatibility.
AlbumSave (Function)
Saves an image, a photo or a video in the photo album of the mobile device.
ExtractString (Function)
Allows you to: extract a substring from a string based on a specified string separator. search for substrings in a string based on a specified string separator....
Creating an executable: WINDEV Framework
Each WINDEV function is associated with a WINDEV DLL......
Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback")....
Native PostgreSQL Connector: Programming with SQL functions
You can use SQL functions to handle the PostgreSQL database......
aiImageResult (Variable type)
The aiImageResult type is used to retrieve the result of AIDetect.
Image detection management constants
Calculates the width (in millimeters) of the text to print, according to the specified font....
Managing breakpoints
During a project test in the editor, breakpoints are used to automatically start the debugger from a given line......
Query editor
The query editor is used to automatically create queries on the data files......
SocketConnect (Function)
Connects a client computer to a given socket.
Constants for external files
List of constants used by the functions for managing external files....
WEBDEV license agreement
WEBDEV license agreement...
Keyboard Variable (Using physical keyboards on Android)
The Keyboard variable makes it possible to retrieve the parameters of the events of a physical keyboard......
Recycle code windows
By default, a single code window is opened per ......