ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

WLanguage properties of Internal Window controls
List of WLanguage properties of Internal Window controls
Changing the window content with a swipe gesture
The mobile devices propose several features available via finger movements...
Custom properties (WLanguage)
A custom property is a code element with two events...
Events associated with internal windows
List of events associated with internal windows
MyInternalWindow (Reserved word)
MyInternalWindow is used to handle the current internal window.
TraceEnd (Function)
Closes the trace window if this window was opened or stops saving the trace information in a text file.
Custom-Notes
The custom-notes allow you to write down any ideas you want to remember, notes you must not forget, ......
Trace (Function)
Displays the requested information (content of a control, for example) in a window opened next to the current window.
Filters in Table controls based on a data file
WINDEV, WEBDEV and WINDEV Mobile include multiple methods to filter the records displayed in a Table control based on a data file......
DDE errors
When a DDE function fails (returns False for example), ErrorInfo allows you to find out the number of the corresponding error]......
MDL file (kept for backward compatibility): Pattern description
The MDL file is the file used to generate a RAD window......
MovableByBackground (Property)
The MovableByBackground property is used to: find out whether a window can be moved by the background, allow (or not) a window to be moved by the background....
5. Unit tests
Unit tests (also called automated tests) are used to test windows, procedures and classes in an application at different levels of development......
DelayBeforeClosing (Function)
Limits the display duration of a window or dialog box. If no user action is performed, when the specified amount of time is reached: for a window, the code of a window button will be run. for a dialog box, the dialog box is automatically closed....
8. Smart controls
Ouvre une fenêtre de type popup en précisant sa position d'ouverture et attend sa fermeture....
WLanguage procedure called by OpenAsynchronous
WLanguage procedure ("callback") called by OpenAsynchronous after the window is closed.
2. Examples provided with WINDEV
The examples provided with WINDEV are intended to help you learn the features of WINDEV....
Drawing charts in an Image control
WINDEV and WEBDEV propose several functions for creating and handling charts......
Managing Bluetooth Low Energy devices
The Bluetooth LE standard (for Low Energy) is used to manage devices with low energy consumption......
ScreenshotAllowed (Property)
The ScreenshotAllowed property is used to: Determine whether it is possible to take screenshots of a window, Allow or prevent taking screenshots of a window....
Single Page App
A "Single Page App" is a Web application (Internet or Intranet) whose all pages are grouped in a single page......
Checking out an element
To work on a project element found in the Source Code Manager, you must check out the element before it can be modified......
Project description: Compilation tab
The project description window allows you to configure various elements of your project......
<Window>.ToFile (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. 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 window controls are automatically updated with the values of these controls. This function is also available for WEBDEV pages....
TwainToPDF (Function)
Allows you to: save the document coming from the Twain device in a PDF file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in PDF format (in a buffer)....
TwainToGIF (Function)
Allows you to: save the document coming from the Twain device in a GIF file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in GIF format (in a buffer)....
TwainToJPEG (Function)
Allows you to: save the document coming from the Twain device in a JPEG file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in JPEG format (in a buffer)....
WLanguage procedure called by OpenPopupAsynchronous
WLanguage procedure ("callback") called by OpenPopupAsynchronous after the popup window is closed.
TwainToTIFF (Function)
Allows you to: save the document coming from the Twain device in a TIFF file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in TIFF format (in a buffer)....