ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Visible (Property)
The Visible property sets the visibility of an element.
iZoneHeight (Example)
Usage example of the iZoneHeight function
iReportPrintingStatus (Function)
Returns the status of the current print.
HCancelDeclaration (Example)
Usage example of the HCancelDeclaration function
HDeclareExternal (Example)
Usage example of the HDeclareExternal function
PDFExtractPage (Function)
Extracts a page from a PDF file in a variable of type Image.
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.
Position
The Position keyword can correspond to...
SortType (Property)
The SortType property is used to: Find out the sort direction defined for an item or for a component of a composite key. This item was defined in the data model editor or programmatically. Define the sort direction for an item or for a component of a composite key (when describing the item through programming)....
ModbusReadBit (Function)
Reads one or more bits from a Modbus slave, starting at a specific address.
ModbusReadRegister (Function)
Reads one or more registers from a Modbus slave, starting at a specific address.
fDriveInfo (Function)
Returns information about a drive.
grPointType (Function)
Modifies the shape of point for a specific category or value found in a Line, Area, Scatter and Radar chart.
Update (Property)
The Update property specifies the updates to be made.
"Long press" optional event
The optional event "Long press/Open context menu" is run during a long press on the controls of a window......
BurnerVolumeName (Function)
Allows you to find out or modify the name of the CD or DVD to burn.
MapAddItinerary (Function)
Adds an itinerary onto a Map control.
gFontUnderlined (Function)
Builds a sequence of characters to specify whether or not the text that follows the call to this function is underlined.
How to color a control with focus?
This help page explains how to highlight the control where the input is performed....
grStartAngle (Function)
Sets the starting angle of the first section in the following types of chart: Pie, Semi-circular or Donut. Sunburst. Radial bar chart....
25. Performing a process on several successive pages
Performing a process on several successive pages...
Describing a problem to the Free Technical Support
Managing the required input in WEBDEV
To prevent users from leaving a control empty, you can set it as a required field......