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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Polygon2D variable>.Perimeter (Function)
Calculates the perimeter of a polygon defined using 2D coordinates.
<emailPOP3Session variable>.NbMessage (Function)
Returns the number of incoming messages on the email server (POP3 protocol only).
<emailPOP3Session variable>.StartSession (Function)
Starts a POP3 session.
<EmailPOP3Session variable>.GetAll (Function)
Retrieves all the emails found on a POP3 server.
<emailPOP3Session variable>.CloseSession (Function)
Closes a POP3 session.
<Polygon2D variable>.Cover (Function)
Determines if geometry A (of type 2D polygon) covers geometry B.
Using the Salesforce service
Salesforce is a very popular CRM software......
<Linestring2D variable>.AddPoint (Function)
Adds a new point to a 2D linestring.
<Polygon2D variable>.IsValid (Function)
Checks whether the specified 2D polygon is valid according to the OGC rules.
The planes (in a window or in a report)
The planes are used to group the window controls......
Managing the programming errors
The security mechanism of WLanguage is enabled when a programming error occurs in an application......
List of reserved words
Looper control populated programmatically
A Looper control populated programmatically is directly linked to lists stored in memory......
How to create and run an SQL query through programming?
This help page explains how to create and run an SQL query through programming....
Choosing the action associated with the link
You can associate an action with the link regardless of the type of link......
Pinned area in a page: fixed area on the screen
A fixed area in a page is a page section that remains visible even if the Web user moves the browser scrollbar......
Before calling the Free Technical Support
The operations to perform before calling the Technical Support......
Dynamic instantiation of object
An object can be dynamically associated with a class, we talk of dynamic instantiation of object......
WDAPI: Using the APIs in a WINDEV application
The two most interesting features of WDAPI are......
Reverse code modeling
The reverse code modeling allows you to view in a graph......
StoredValue (Property)
The StoredValue property gets and sets the stored value of an element.
Aligning elements in a List Box or Combo Box control
There are different methods to align the elements in a List Box or Combo Box control......
Movable (Property)
The Movable property is used to define if an element can be moved.
Constant
The constants are language elements whose value is fixed once and for all...
Markdown (Property)
The Property Markdown allows: for control s a window to manage the "Markdown support" option (present in the "Detail" tab of the description window of the control). for the Static control of an report: determine if a Static control of a report is of type Markdown. set the type of a Static control in a report to Markdown....