ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Data Source (Variable type)
A Data Source variable is used to describe a temporary data source (query, view, alias, etc.).
<Source>.DataSourceKnown (Function)
Determines if a data source has been initialized.
MySource (Reserved word)
MySource is used to handle the current data source (file, view or query) associated with a report or with a table based on a data file...
HDataSourceKnown (Function)
Determines if a data source has been initialized.
SQLListSource (Function)
Lists the data sources declared on a local site.
Managing context menus in a WINDEV or WINDEV Mobile application
A context menu can be opened by the user via a right mouse click......
Cos (Function)
Calculates the cosine of an angle.
CoTan (Function)
Calculates the cotangent of an angle.
Tangent (Function)
Calculates the tangent of an angle.
Random (Function)
Returns a random number.
Declaring the functions of the Windows API
Syntax for declaring the functions of the Windows API...
<Image>.DrawArc (Function)
Draws a circle arc or an ellipse arc in an Image control.
DnD constants
List of constants used by the functions for managing the Drag and Drop....
NumToString (Function)
Converts a numeric value (integer, real or currency) to a string according to a specified format.
8. If you are already familiar with WINDEV
Certificate functions (prefix syntax)
The following functions are used to handle Windows certificates, using prefix syntax:
Certificate management functions
The following functions are used to handle the certificates:...
<Image variable>.DrawArc (Function)
Draws a circle arc or an ellipse arc in an Image variable.
HCreateMovableReplica (Function)
Creates a movable replication.
<Image>.DrawSlice (Function)
Draws a circle or an ellipse section in an Image control.
Phone constants (Android / iOS)
<WDPic variable>.DrawArc (Function)
Draws a circle arc or an ellipse arc in a WDPic variable.
<Image variable>.DrawSlice (Function)
Draws a section of a circle or an ellipse in an Image variable.
sysNotification (Type of variable)
The sysNotification type is used to define all the advanced characteristics of an interactive system notification.
<picLayer variable>.DrawSlice (Function)
Draws a section of a circle or an ellipse in a picLayer variable.
GanttLink (Type of variable)
The GanttLink type is used to define the advanced characteristics of a link between two tasks of a Gantt chart.
The HTML control
The HTML control displays HTML pages or HTML code......
hBackupDescription (Type of variable)
The hBackupDescription type is used to programmatically describe an HFSQL Client/Server backup....
<picLayer variable>.DrawArc (Function)
Draws a circle arc or an ellipse arc in a picLayer variable.
rssEntry (Type of variable)
The rssEntry type is used to handle a RSS stream entry...