ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

<xmlNode variable>.ValidNode (Function)
Validates an XML node, its children and its attributes from its description in the XSD schema linked to the XML document.
Managing the emails with the POP3/SMTP protocols
The POP3 and SMTP protocols are protocols for email management recognized by all Internet Service Providers......
Conditions for updating an application automatically (Live update)
Whenever the application is modified on the development computer (modifications of windows, code, analysis, ......
2. Analysis in practice
REST Webservices: Automatic deserialization of request
In a REST Webservice, an entry point can have several types......
Handling an element of a TreeView control programmatically
This help page explains how to handle the elements of a TreeView control either directly or via the WLanguage functions......
Move (Function)
Allows you to: move an element in a one-dimensional WLanguage array or in an advanced array property (array of gglCalendar events, etc.). The other array elements are moved accordingly. swap two elements in a one-dimensional WLanguage array or in an advanced array property (array of gglCalendar events, etc.)....
Encode (Function)
Encodes a character string or a buffer. To decode the result, simply use Decode.
Developing an application for iPhone/iPad
The development of an iPhone/iPad application is performed in 2 steps:...
<Window>.FromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
<Page>.FromSource (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
<Source>.CancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
SourceToPage (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
NbItem (Property)
The NbItem property is used to get the total number of items (including composite keys) in a record of: a file described in the data model editor, a file described programmatically, an HFSQL view, a query....
Binding an OLE control to an item
An OLE control can be bound to an item in a data file, query, etc....
HCancelDeclaration (Function)
Used to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
WindowFromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
<Source>.ToWindows (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
Developing applications for iPhone/iPad
To develop a WINDEV Mobile application for iPhone/iPad, you need:...
Overview of external languages
Optional connection information
When defining the connections in the data model editor or when defining the connections through programming, you have the ability to specifier the optional connection information......
Managing the HFSQL contexts in the windows and in the reports
An HFSQL context contains information relative to the data used......
8. Windows in practice
Discover the main actions that can be performed on the windows....
SQL : ORDER BY clause: Organizing the result of a query
The ORDER BY clause is used to sort the records selected by an SQL query......
Distributing an external component
Once the component has been created, tested and generated, it can be distributed to other developers......
Compilation options (HLP format)