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.
DDEEvent (Function)
Associates a WLanguage procedure with a DDE event: when the DDE event occurs, the associated...
SQLNext (Function)
Positions on the next row of the query result.
SQLPrevious (Function)
Positions on the previous row of the query result.
SQLLast (Function)
Sets the position on the last row of the query result.
The Context Menu control (WEBDEV)
Context menus are often used in websites......
VisibleEndUser (Property)
The VisibleEndUser property is used to: Find out whether an item is visible or not to the end...
gglEvent (Type of variable)
The gglEvent type is used to describe and modify an event of a calendar...
Image with automatic sequence (WEBDEV)
...Image controls with automatic sequence are used to view a series of images located in one...
Window with arrow (iPad)
The principle of windows with arrow is straightforward......
OpenMobileWindow (Function)
Opens a window in a mobile application.
RequestUpdateUI (Function)
Requests the execution of the "Request for refreshing the display" event (and gives back control...
WEBDEV administrator: Installed Webservices
The "Webservices" tab gives information about the dynamic WEBDEV Webservices installed...
HTTPSend (Function)
Sends an HTTP request and waits for the response from the HTTP server.
MapPolyline (Type of variable)
The MapPolyline type is used to define the characteristics of a line composed of several segments...
MapCircle (Type of variable)
The MapCircle type is used to define the characteristics of a circle to be drawn on the map...
MapImage (Type of variable)
The MapImage type is used to define the characteristics of an image to be drawn on the map...
RequestRefreshUI
Requests the execution of the "Request for refreshing the display" event (and gives back control...
Inserting an image or video into a help page
It can be useful to use images or videos in help pages to explain the actions to be done, indicate...
Operations performed on collaboration diagrams
The following paragraphs explain......
Automatic documentation of procedures and methods
To simplify the maintenance or the use of existing code by other developers, WINDEV proposes...
Multiline strings
To type character strings over several lines in the code editor...
Open (Function)
Opens a modal WINDEV window.
The "Line" charts
In the line charts, the data is interpreted as successive y coordinates of points......
HCreateMasterReplica (Function)
Creates the description file of a Master Replica (logged replication or universal replication).
Step 2: Creating print fonts
This step allows you to define and choose the different fonts that will be used in the printed...