ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ...
Max (Function)
Returns the greatest value passed as parameter.
<ANSI string>.ToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HBuildKeyValueANSI (Function)
Whatever the platform used, the data stored in HFSQL data files is in ANSI format.
StringToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
LocalStorageGet (Function)
Retrieves a value from the local storage.
Val (Function)
Returns the numeric value of a character string.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
<Array>.Min (Function)
Returns the lowest value in the array.
Min (Function)
Returns the lowest value.
Data persistence
The data persistence is used to store the value typed by the user...
<Array>.Max (Function)
Returns the greatest value in the array.
Notification (Type of variable)
The Notification type is used to handle the local notifications or the push notifications.
WINDEV and OPC
OPC stands for "OLE for Process Control"......
Looper controls populated programmatically: Operations in WLanguage
Here is an overview of how to handle Looper controls populated programmatically in WLanguage....
ProgressBar (Function)
Displays a progress bar in the status bar of current window.
Handling List Box controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle List Box controls....
Random (Function)
Returns a random number.
Chart control: "General" tab
In all the editors (window, page or report), the "General" tab of the Chart control description...
SSLActive (Function)
Used to enable or disable the secure SSL mode.
StoredItem (Property)
The StoredItem property is used to: Find out the stored item or the stored variable of a Table,...
The SOAP structure
To pass parameters to a procedure run on a SOAP server, WINDEV is using the following structure......
Image control properties
The Image controls include properties that can be handled in WLanguage both in the windows...
Managing the SNMP protocol
SNMP (Simple Network Management Protocol) is the standard protocol for managing the network...
Gesture variable
The Gesture variable is used to retrieve the gesture parameters (swipe)......
hbScanParameter (Type of variable)
The hbScanParameter type is used to define the parameters for iterating over the records...
Link control properties
The Link control is available in a page and in a report......
Rating control properties
The Rating control can be used in a window as well as in a page....
Looper control properties
You can manipulate Looper controls in a window or page using the following WLanguage properties......
Tiff (Type of variable)
The Tiff type is used to define the advanced characteristics of a TIFF image.
BottomIndent (Property)
The BottomIndent property gets and sets the space at the bottom of the text (bottom margin)...
Event (Type of variable)
The Event type is used to define all the advanced characteristics of an event: birthday, saint's...
Option Description (Type of variable)
An Option Description variable is used to handle the characteristics of a combination option...
Managing the Euro
Since January 1 2002, the Euro becomes the only currency in most European countries......
Flexbox example: ratios to distribute available space among controls
In a flexbox container, you can define ratios for the different controls so that they take...
sComputeCrc16 (Function)
Checks a character string before and after transmission between WINDEV applications...
LDAPRenameAttribute (Function)
Renames an attribute.