ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

PDFClose (Function)
Closes the PDF file loaded in memory in a pdfDocument variable.
WebSocket functions (prefix syntax)
List of functions specific to WebSocket servers...
<xlsDocument variable>.RecalculateAll (Function)
Recalculates all formulas in an Excel (XLSX) document.
<Variable pdfDocument>Sign (Function)
Applies an approval signature to an existing PDF.
<Image variable>.DrawHalo (Function)
Adds a halo effect on an image found in an Image variable.
<Image variable>.DrawShadow (Function)
Adds a shadow effect on an image found in an Image variable.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
<Queue variable>.Dequeue (Function)
Removes an element from the queue.
MQTT functions
The following functions are used to manage MQTT clients...
JSONExecuteExternal (Function)
Calls an external server URL that returns data in JSON format (JavaScript Object Notation).
EventClose (Function)
Closes a synchronization event between several threads.
PDFOpen (Function)
Opens a PDF document and loads it in a pdfDocument variable.
WebSocketListConnectedUser (Function)
Lists the clients connected to the WebSocket server.
NbThumbnail (Property)
The NbThumbnail property is used to get the number of thumbnails generated for an item.
iDestination (Function)
Configures the print destination.
Dynamic Automation object
A dynamic automation object is an automation object allocated upon request, during the program execution...
<Image>.Last (Function)
Displays the last image for the scroll.
<Image>.StartScrolling (Function)
Starts cycling through images.
<Image>.ScrollingPosition (Function)
Returns the displayed image.
<Image>.Previous (Function)
Displays the previous image for the scroll.
<Image>.First (Function)
Displays the first image for the scroll.
<Image>.Occurrence (Function)
Returns the total number of images taken into account by the scroll.
<Image>.Next (Function)
Displays the next image for the scroll.
Browser management functions
List of functions for managing browsers...