ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HListConnection (Function)
Returns the list of connections currently described in the application:
  • connections described in the data model editor (for the main analysis and, if necessary, additional analyses).
  • connections described by programming (with functions HDescribeConnection or HOpenConnection).
<Source>.ChangeConnection (Function)
Dynamically changes the connection associated with a data file.
SQLConnect (Function)
Connects the current application to a database that must be interrogated via SQL.
SQLChangeConnection (Function)
Modifies the current connection.
HDescribeConnection (Function)
Describes a new connection to an external database.
<Connection variable>.OpenConnection (Function)
Opens a connection to a specific database.
HConnect (Function)
Redefines one or more connection parameters via Native Connector (Access, SQL Server, MySQL or Oracle) or via an OLE DB access on a specific table or set of tables.
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...
<Connection variable>.CloseConnection (Function)
Closes a connection to a database.
SQLConnectWS (Function)
Connects the current application to a database that will be queried by SQL through a web service proxy (SOAP).
HListFile (Function)
Returns the list of files:
  • current analysis.
  • analyses in progress (projects with multiple analyses).
  • a specific analysis recognized by the HFSQL engine.
  • available on a connection via a Native Connector or an OLE DB driver.
  • for a group of files defined in the data model editor.
HOpenConnection (Function)
Opens a connection to a specific database.
HChangeConnection (Function)
Dynamically changes the connection associated with a data file.
<Connection variable>.TransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
Installing and starting WDTRAD
HPass (Function)
Defines the password used to create or open a data file.
The user version of query editor (Reports & Queries)
A query is used to interrogate a database in order to view, insert, modify or delete data......
WINDEV Mobile concepts
User Groupware: Configuring the application
Once the User Groupware is configured, the configuration of users and accesses is performed at runtime, by connecting with a "supervisor" account......
HCancelBackup (Function)
Cancels a current backup.
HDeleteScheduledBackup (Function)
Deletes a scheduled backup from an HFSQL Client/Server server....
The OLE control
The OLE control is used to handle an OLE object......
Modifying an external component
An external component created and generated by WINDEV, WEBDEV or WINDEV Mobile can be modified at any time......
<Source>.ChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
8. 10 tips for better interfaces...
Application triggers
...A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ...) on a record of a data file....
hbWrite (Function)
Writes cells (values of items) to one or more rows (records) in an HBase table.
User Groupware: Configuring the site
Once the User Groupware is configured, the configuration of users and accesses is performed at runtime, by connecting with a "supervisor" account......
HChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
Display (External language)
Displays a value in a control or assigns a value in a variable.
DisplayLongText (External language)
Displays a long text in a text control in Pascal and in C.
Beep (External language)
Used to emit a beep on the speaker of the computer.
Confirm (External language)
Displays a dialog box that includes a logo, a message, the "Yes", "No" and "Cancel" buttons ans returns the button validated by the user.
Error (External language)
Displays a dialog box containing an error logo and the message passed in parameter.
Space (External language)
Fills the content of WdString with space characters on the right.
Execute (External language)
Runs the code of a control or the code of a procedure in WLanguage.
Window (External language)
Returns the number of windows opened at a given time.
Close (External language)
Closes the current window and restores the context that existed before the window opening.