ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

MatMultiply (Function)
Multiplies two matrices.
HeightInPixel (Property)
The HeightInPixel property is used to get the height in pixels of a control in a report.
QuickActionPin (Function)
Generates a request to pin a quick action.
Handling Ribbon controls programmatically
WINDEV allows you to programmatically handle Ribbon controls, as well as their tabs and groups....
SensorEnd (Function)
Indicates the end of the use of the sensor functions.
grAddTimeData (Function)
Adds data at a precise moment in a time chart.
LooperCount (Function)
Returns the number of rows in a Looper control.
Easter (Function)
Returns the date of Easter for the specified year according to the western Christian calendar.
Error 30: An exception process cannot be declared inside another exception process...
MatAdd (Function)
Adds two matrices of same dimensions (same number of rows and same number of columns).
StatVariance (Function)
Calculates the variance for a series of values.
XMLFind (Function)
Performs a search in an XML document.
fReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).
HCreateSubscriberReplica (Function)
Creates the description file of a subscriber replica.
HOnError (Function)
Customizes the management of HFSQL errors.
EmailOpenMail (Function)
Opens the default messaging software: of Web user on the browser computer. of the user on the current Windows computer. on the phone....
StringCompare (Function)
Compares two strings character by character: according to the sequence of ASCII characters. according to the alphabetical order....
The HTML control
The HTML control displays HTML pages or HTML code......
FBStartSession (Function)
Used to authenticate and log in to Faceboook.
ServiceWait (Function)
Pauses the current service during the specified duration.
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL data files.