ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

PVTCalculateUpdate (Function)
Updates some of the data found in a Pivot Table control from a given date.
ImageWidth (Property)
The ImageWidth property gets and sets the width of the image section displayed in an Image control or in the background of a Chart control.
EmailStatus (Function)
Returns the status of an email sent via an SMTP session started in asynchronous mode.
grSeriesLabel (Function)
Initializes the label of a data series in a chart.
HOnServerCall (Function)
Customizes the management of message display on the client computer and the management of disconnection from a client computer.
grType (Function)
Identifies or modifies the type of chart.
ChangeSourcePage (Function)
Dynamically changes the page displayed in an Internal Page control
Properties associated with the rows of a TreeView control
The rows of TreeView controls in a window or page can be manipulated using different WLanguage properties......
HFreeQuery (Function)
Releases query resources (following use of HExecuteQuery or HExecuteSQLQuery functions).
Typecasting of parameters
The description of the parameter type is optional......
xlsComment (Variable type)
The xlsComment type is used to defined all the advanced characteristics of a comment in a cell of an XLS file or Spreadsheet control.
TableRefreshVisible (Function)
Modifies or returns the visibility status of refresh bar in a Table or TreeView Table control.
Overview of OOP (Object Oriented Programming)
The object-oriented programming (called "OOP") is a programming paradigm in which the programs are organized as sets of objects......
Creating a service with WINDEV
A service is a specific type of application intended to be run without any user intervention......
Management errors specific to Native Connectors
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......
Thread execution
At runtime, an application runs in a main thread......
Assisted HFSQL error handling
WINDEV, WEBDEV and WINDEV Mobile include a module for assisted management of HFSQL errors......
saasPricing (Type of variable)
The saasPricing type is used to define the advanced characteristics of a SaaS pricing.
Native SQLite Connector
WINDEV and WEBDEV propose a Native Connector to SQLite. This Native Connector allows you to access an SQLite database from a WLanguage program without using an external driver....