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.
Materialized view
11. Internal components in practice
Internal components in practice...
<gglConnection variable>.Disconnect (Function)
Disconnects the user from the Google services used. During the next re-connection, the authorizations linked to the Google services will be asked again.
GglDisconnect (Function)
Disconnects the user from the Google services used. During the next re-connection, the authorizations linked to the Google services will be asked again.
fReadLineRegularExpression (Function)
Reads a line in an external file, gets sections of this line according to a regular expression and assigns them to a variable.
Error 1022: The access to the method of the class is restricted by a protected inheritance
SysDirExternalStorage (Function)
Returns the path of the directory that will be used to store files in the external storage space of the Android device.
SysCacheExternalStorage (Function)
Returns the path of directory that will be used to store the data in cache on the external storage space of application.
<DiskFile variable>.ReadLineRegularExpression (Function)
Reads a line in an external file, gets sections of this line according to a regular expression and assigns them to a variable.
Overview of external languages
Creating a Pivot Table control
To create a Pivot Table control......
3-tier architecture
The development in "3-tier" architecture is now simplified......
Including JavaScript files or a Web resource
WEBDEV allows you to include Javascript files or external resources in a WEBDEV project......
Functions for handling directories and external files
List of functions for handling external files...
StringRetrieve (Function)
Retrieves a character string in a format external to PC Soft (character string that is the result of a Windows API for example).
Changing an application to 64-bit
WINDEV allows you to develop 64-bit applications......
I work as a developer: How to manage my tasks and my schedule?
The Control Centers in WINDEV, WEBDEV and WINDEV Mobile include many tools to help developers manage their schedules and the different associated tasks......
ScriptDisplay (Function)
Calls an external script or page (.php, .asp, .mhtml or.mht) and returns the result page in the current browser window.
<picLayer variable>.Straighten (Function)
Transforms an image by applying perspective correction.
<Image>.Straighten (Function)
Transforms an image by applying perspective correction.
dStraighten (Function)
Transforms an image by applying perspective correction.
ScreenCastInProgress (Property)
The ScreenCastInProgress property is used to determine if the video played in a Multimedia control is being played on an external device (compatible with Air Play).
<Image variable>.Straighten (Function)
Transforms an image by applying perspective correction.
Developing a SaaS site
A SaaS site is developed as a standard WEBDEV site. Some additional operations must be performed......
WEBDEV Application Server remote control functions (prefix syntax)
The following functions are used to manage users and connections on a WEBDEV Application Server, using prefix syntax: