ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

ScreenSize (Function)
Returns the size (in inches) of the diagonal of the screen on the device where the application is run.
Parallel Tasks constants
The following constants are used by the functions for managing parallel tasks: ......
mqttSession (Type of variable)
The mqttSession type is used to define the parameters for connecting to the MQTT broker.
HPrevious (Function)
Positions on the previous file record according to a browse item.
HRestorePosition (Function)
Restores the context of a previously saved file (HSavePosition): current record, filter, pointers.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
Combo Box and List Box controls: Automatic features (AAF)
The List Box and Combo Box controls can benefit from several AAFs......
Property Description (Type of variable)
The Property Description type is used to get information about a property.
TraceBuild (Function)
Displays a customizable message in the trace window opened in parallel with the current window.
Duration (Type of variable)
The Duration type enables you to easily handle the intervals of dates and times...
SQLCol (Function)
Retrieves the content of the specified column from the query result, for the current line.
Guided tour management constants
Service constants
List of constants used by the functions for managing services....
CreateShortcut (Function)
Creates a shortcut on the Windows desktop, in the "Start" menu of Windows or in a specific directory.
ThreadPriority (Function)
Returns or modifies the priority level of a thread.
MinZoom (Property)
The MinZoom property is used to get the minimum zoom value that can be used for the Camera control (for the camera in use).
DecryptAsymmetric (Function)
Decrypts a buffer with a private/public key algorithm with RSA encryption....
29. SEO in practice
WINDEV and OPC
OPC stands for "OLE for Process Control"......
ScreenType (Function)
Returns the type of screen on which the application is run: phone, tablet, computer or watch.
dHalo (Function)
Adds a halo effect on an image found in an Image variable].
WidgetRunApp (Function)
Starts the application to which a widget belongs.
Encode (Function)
Encodes a character string or a buffer. To decode the result, simply use Decode.
Memory area management functions
The following functions are used to handle the certificates:...
PopupDisplay (Function)
Displays a popup in a page with a DDW effect (Dim Disabled Windows).