ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Captcha>.Verify (Function)
Checks whether the value typed by the user corresponds to the string displayed in a Captcha control.
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
Multiline Zone control events
The following events appear by default in the WINDEV and WINDEV Mobile code editor:...
OKCancelAsynchronous (Function)
Displays a message in a standard non-blocking dialog box with the answers "OK" and "Cancel" and calls a WLanguage procedure with the user's response....
CaptchaVerify (Function)
Checks whether the value typed by the user corresponds to the string displayed in a Captcha control.
Animation of Mobile windows
In the mobile applications, the different screens of the application are displayed via a small animation: display from the right and the top, ... WINDEV Mobile allows you to configure this display mode of your windows in your mobile applications....
Compilation statement: IF ExecutionTarget
The <IF ExecutionTarget> compile statement allows you to compile or not compile a WLanguage code depending on the execution target.
Spacing out a selection of controls
To create modern interfaces, you need to increase spacing between the controls in your windows......
Error 809: The * character cannot be used as mandatory parameter in a function
End-user UI management functions
SystemBarColor (Property)
The SystemBarColor property is used to get or change the system bar color in full-screen windows on mobile devices.
HeightHalfExpanded (Property)
The HeightHalfExpanded property gets and sets the "half-expanded" height of the bottom sliding window associated with the current window.
<Code Editor>.Uncomment (Function)
Uncomments the current selection in the Code Editor control. "//" characters at the beginning of the current line are removed....
<Window>.Iconize (Function)
Minimizes a WINDEV window.
Manipulating Calendar controls programmatically (prefix syntax)
WINDEV, WEBDEV and WINDEV Mobile allow you to manipulate a Calendar control through programming......
dPen (Function)
Declares the default color and style for the lines, rectangles, circles, ... found: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
Open (Function)
Opens a modal WINDEV window.