ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

CertificateExtract (Function)
Extracts a certificate from a signature buffer or from a print duplicate.
<Image>.VerticalSymmetry (Function)
Flips an image contained in an Image control with respect to a vertical axis (symmetry with respect to a vertical axis).
<fbSession variable>.GetUserInformation (Function)
Gets the Facebook information of the connected user.
DocSelect (Function)
Selects a fragment in a Word Processing control.
<Thread>.RequestStop (Function)
Sends a stop request to a thread.
<Connection variable>.InfoTask (Function)
Returns the characteristics of a scheduled task in a hScheduledTask variable].
<Image>.StartDrawing (Function)
Indicates that the drawing functions that will be used are intended for the specified Image control.
<Image>.PixelOpacity (Function)
Identifies the opacity of a pixel in an image (in an Image control) with an Alpha channel.
<redisConnection>.PipelineAdd (Function)
Adds a Redis command in a pipeline.
ParallelTaskRequestCancellation (Function)
Requests the cancellation of a parallel task.
<Image>.DrawRectangleGradient (Function)
Draws a rectangle in an Image control.
<mqttSession variable>.Subscribe (Function)
Used to subscribe to a MQTT notification.
<Image>.Rotation (Function)
Rotates an Image control.
<mqttSession variable>.UnsubscribeAll (Function)
Allows you to unsubscribe from all the existing subscriptions.
<WBAdminAuth variable>.Disconnect (Function)
Deletes a connection from a WEBDEV Application Server.
<WDPic variable>.Rotation (Function)
Rotates a WDPic image.
ModbusReadRegister (Function)
Reads one or more registers from a Modbus slave, starting at a specific address.
<Image>.HorizontalSymmetry (Function)
Flips an image in an Image control with respect to a horizontal axis (symmetry with respect to a horizontal axis).
<Document variable>.Replace (Function)
Finds all the instances of a character string and replaces them with another string in a Document variable.
ModbusDisconnect (Function)
Closes the Modbus session.
HClearSchedulingHistory (Function)
Clears the execution history of scheduled operations on an HFSQL server.
PVTInfoXY (Function)
Returns the values of headers corresponding to a position in a Pivot Table control in pixels.
<redisConnection>.ExecuteCommand (Function)
Executes a command on a Redis server and retrieves the result.
BeaconDetectPrecise (Function)
Used to find the Beacons near the device.
<Source>.RecordToString (Function)
Converts the content of the current record to string (in a table, HFSQL view, query, etc.).