ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators......
BTStatus (Function)
Returns the current Bluetooth activation status on the device or asks to be notified when the activation status changes.
grHMAddData (Function)
Adds a data into a Heatmap chart.
dTransferToImage (Function)
Creates an image from a buffer of pixels encoded in a specific format. This function is an advanced function. This function is mainly used to handle the images returned by external APIs via Image variables....
grHMDeleteColor (Function)
Deletes the colors specified by grHMColor from a Heatmap chart.
ModbusSendRawFrame (Function)
Sends a raw frame to a Modbus slave. This enables communication with devices that do not strictly comply with the Modbus standard.
ModificationDurationAPT (Property)
The ModificationDurationAPT property is used to determine and specify if the user can modify the duration of an appointment in a Scheduler or Organizer control.
TestError (Function)
Provokes: an assertion during the test of element or project (Go mode). an error in automated test mode....
dCopyImage (Example)
Usage example of the dCopyImage function
XMLAddAttribute (Function)
Adds an attribute into an XML document.
Constants used by the functions for managing the HFSQL Cluster
Reinitializes the content of an Organization Chart control from its data source (HFSQL data file for example)....
zipDeleteFile (Function)
Deletes a file from an archive.
CookieWrite (Example)
Usage example of the CookieWrite function
CookieRead (Example)
Usage example of the CookieRead function
Looper control linked to a data file
A Looper control can be used to display the content of a data file or query......
Clipboard (Function)
Retrieves the text or image found in the system clipboard.
PopupClose (Function)
Hides a popup displayed in the page via PopupDisplay.
Deserialize (Function)
Deserializes a buffer or a character string containing the data from a class, structure, array (including an associative array), queue, stack, list or advanced variable, as well as their subelements.
System constants
List of constants used by the system functions....