ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Image>.EndDrawing (Function)
Deletes all the drawings made since the last call to dStartDrawing.
<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.
<Image>.DrawRectangleGradient (Function)
Draws a rectangle in an Image control.
CertificateExtract (Function)
Extracts a certificate from a signature buffer or from a print duplicate.
GglRequest (Function)
Sends a communication request (HTTP request) to a Google service.
ModbusReadRegister (Function)
Reads one or more registers from a Modbus slave, starting at a specific address.
GglDelete (Function)
Deletes data from the Google server.
<Image>.HorizontalSymmetry (Function)
Flips an image in an Image control with respect to a horizontal axis (symmetry with respect to a horizontal axis).
ModbusDisconnect (Function)
Closes the Modbus session.
HClearSchedulingHistory (Function)
Clears the execution history of scheduled operations on an HFSQL server.
ModbusWriteRegister (Function)
Writes one or more registers (16-bit values) to a Modbus slave, starting at a specific address.
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.).
Reading bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to create applications for reading bar codes......
DocPrint (Function)
Prints a document in "docx" format.
DocToHTML (Function)
Converts a Word Processing document into an HTML file.
iCalendarToAppointment (Function)
Lists the appointments described in a character string in iCalendar format.
DocEndModification (Function)
Signals the end of grouping for a set of operations in a single event (management of "undo/redo")....
<Map>.ModifyMarker (Function)
Modifies a marker displayed in a Map control.
zipOpenRAR (Function)
Opens an existing archive in RAR format.