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.
Component and SCM
WINDEV, WEBDEV and WINDEV Mobile allow you to easily create and publish components......
11. External component
fFileExist (Function)
Checks the existence of an external file.
HListTask (Function)
Lists the scheduled tasks of an HFSQL Client/Server server for a given connection....
OLE DB: Required configuration
To handle a database via OLE DB, the following elements must be installed on the development computer and on the deployment computer......
Managing HFSQL Client/Server files
The HFSQL Control Center allows you to fully manage HFSQL Client/Server data files......
Port (Property)
The Port property is used to identify and change a server connection port.
SaaSIsConnected (Function)
Defines whether the connection to the SaaS web service is still established.
HModifyScheduledOptimization (Function)
Modifies a scheduled optimization task on the HFSQL server defined by the connection.
sshSession (Type of variable)
The sshSession type is used to define the characteristics of a connection to an SSH server.
memcachedConnection (Type of variable)
The memcachedConnection type is used to define the characteristics of a connection to a Memcached server.
WLanguage procedure called by WebSocketClientConnect
WLanguage procedure ("callback") called by WebSocketClientConnect when the connection to the server is established.
<Connection variable>.ModifyScheduledOptimization (Function)
Modifies a scheduled optimization task on the HFSQL server defined by the connection.
DDERetrieve (Function)
Retrieves a data sent by a program (the recipient of the connection for the specified object).
WLanguage procedure called by WebSocketClientConnectSSL
WLanguage procedure ("callback") called by WebSocketClientConnectSSL when the connection to the server is established.
<Connection variable>.TransactionList (Function)
Returns the list of current or interrupted transactions on the server for the specified connection.
MobileNetworkConnectionInfo (Function)
Returns information regarding the current connection to data on the mobile network.
2. Projects in practice
Discover the main operations that can be performed on a project....
API (Function)
Runs a function found in an external DLL.
Data source (Type of variable)
A Data source variable is used to describe a temporary data source (query, view, alias, ...)
4. HFSQL Classic
HFSQL Classic is the database format......
Maintaining the files of Control Centers
When using a database, you may have to perform maintenance operations on the data files......
HListScheduledOptimization (Function)
Lists the scheduled optimization tasks of HFSQL Client/Server data files for a connection....
Automated tests on an executable
WINDEV proposes to run the different project tests directly on the corresponding executable......
CallDLL32 (Function)
Runs a function found in an external DLL.