ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

AJAX programming via AJAX functions (Legacy)
The diagram below presents the use of "programmed AJAX" in a WEBDEV website...
AJAX: Direct procedure calls
Starting with version 2024, it is no longer necessary to use AJAXExecute and AJAXExecuteAsynchronous to make AJAX calls...
AJAX: Overview
The AJAX technology is available in native mode in WEBDEV and in the PHP sites developed with WEBDEV...
AJAXCallInProgress (Function)
Used to determine if the request being processed is an AJAX request.
TableDisplay (Function)
Refreshes a Table or TeeeView Table control from a given position: for a field linked...
Compile (Function)
Dynamically compiles an Procedure whose source code is provided (dynamic compilation).
TableInsert (Function)
Inserts a row into: a Table control, a TreeView Table control, a table displayed in a Combo...
HAdd (Function)
Adds: the record found in memory into the table (query or view). the record found in a Record...
HCreationIfNotFound (Function)
Performs the following operations: If the table doesn't exist, create an empty table (file...
Color (Property)
The Color property is used to get or change the font color for: a Font variable. a text...
BTIsVisible (Function)
Used to find out whether a Bluetooth radio is visible.
TimestampUTC (Property)
The TimestampUTC property is used to: Find out whether a timestamp item will use UTC time...
CalculatedDefaultValue (Property)
The CalculatedDefaultValue property is used to: Find out the SQL expression that defines...
PersistedCalculatedItem (Property)
The PersistedCalculatedItem property is used to: Find out whether the value of a calculated...
Left (Function)
Extracts the left part (i.e., the first characters) from a string or buffer.
fListDirectory (Function)
Lists the subdirectories of a given directory and returns the full paths of listed subdirectories.
iImageWidth (Function)
Calculates the width of the image to print (in millimeters).
iImageHeight (Function)
Calculates the height of the image to print (in millimeters).
HSetTransaction (Function)
Enables or disables the management of transactions for one or more files.
DescribedName (Property)
The DescribedName property is used to handle the logical name of HFSQL data files (ignoring...
Length (Function)
Returns: the length of a string, i.e., the number of characters in the string (including spaces...
iPageHeight (Function)
Calculates the height of printable page (in millimeters) while taking the top or bottom margins...