ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Use Facebook authentication (prefix syntax)
Facebook is the world's most popular social network. It is commonly used by companies to reach their customers......
HDataSourceKnown (Function)
Determines if a data source has been initialized.
inAppCheckSubscription (Function)
When starting the iOS application, checks whether the In-App subscriptions have been renewed.
Style sheet
A style sheet ("......
The Thumbnail control
The Thumbnail control is used to automatically manage the display of images in thumbnail format......
<xlsDocument variable>.Save (Function)
Saves an XLS document.
FBStopSession (Function)
Closes the Facebook session opened with FBStartSession.
Phone functions (prefix syntax)
The phone functions are as follows:...
inAppListProductInfo (Function)
Retrieves, from the store, information about the "In-App" products associated with the application.
Managing bar codes
The use of bar codes to identify and manage products has become essential......
14. Controls in practice
Constants for managing appointments
Lists of constants used to manage the appointments...
ThreadPersistent (Function)
Makes a thread persistent.
BCCalculateControlCharacter (Function)
Returns the check code of a bar code.
EmailExpunge (Function)
Destroys all the deleted emails marked as deleted ("Deleted" status) from the current folder of IMAP session.
ParallelTaskConfigure (Function)
Modifies the parameters of parallel tasks.
hdfsDelete (Function)
Deletes a file or directory from a Hadoop server.
hdfsRename (Function)
Renames a file or a directory found on a Hadoop server.
hdfsCopyFrom (Function)
Copies a file found on a Hadoop server to the local computer.
hdfsCopyTo (Function)
Copies a file located on the local machine to a Hadoop server.
hdfsOpenConnection (Function)
Opens a connection to a Hadoop server.
hdfsCloseConnection (Function)
Closes a connection to a Hadoop server.
MongoAdd (Function)
Adds one or more documents into a collection of MongoDB database.