ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Declaring a procedure/a function
The different syntaxes for declaring a procedure...
Calling a procedure/a function
Syntax for calling a local or global procedure.
Procedure/Function
A procedure is used to associate an identifier with a statement block...
Parameters of a procedure/function
You have the ability to pass parameters to a procedure.
Global procedure/function
A global procedure can be used in all the processes or events of the project.
Local procedure
Two types of procedures are available...
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes.
Typecasting of parameters
The description of the parameter type is optional...
MyParameters (Reserved word)
The MyParameters keyword is used to handle the parameters passed to a WLanguage procedure...
Parameters of a procedure with a variable number of parameters
When the procedure uses a variable number of parameters, you must be able to handle the different parameters passed to the function in the code of the procedure.
Passing parameters
The parameters can be passed to a procedure...
MCITrack (Function)
Returns the current track of a media file previously opened (MCIOpen).
grSeriesSecondaryAxis (Function)
Defines whether a series will be drawn on the secondary axis.
RegistryListKey (Function)
Lists the subkeys of a registry key.
MQTTPublish (Function)
Publishes a message on the MQTT broker.
ProfilerStart (Function)
Starts "collecting information" for the performance profiler.
StringRetrieve (Function)
Retrieves a character string in a format external to PC Soft (character string that is the result...
MCIHeight (Function)
Returns the height (in pixels) of a media file used to display images.
tapiCallIsOver (Function)
Used to find out whether the incoming or outgoing call is ended.
OutlookDefaultProfile (Function)
Retrieves the default profile defined in Outlook.
PageUse (Function)
Displays a WEBDEV page in the user's browser and closes all page contexts currently open...
ComponentLoadAll (Function)
Recursively loads in memory all the external components used in the project.
LuhnCalculate (Function)
Calculates the next Luhn check digit for a given sequence.
AppleSignIn (Function)
Used to implement authentication via "Sign In with Apple" on devices running on iOS 13 and higher.
gpwAddUser (Function)
Adds a user to the User Groupware database.
KanbanAddList (Function)
Adds a new list to a Kanban control.
GeometryOverlap (Function)
Determines whether two geometries overlap.
TableEnumColumn (Function)
Returns the name of a column found in a Table or Treeview Table control.
grImageSize (Function)
Defines the size of the image containing the chart.
SpreadsheetListComment (Function)
Lists all the comments on the current worksheet of a Spreadsheet control.
HManageTask (Function)
Enables or disables a scheduled task on an HFSQL Client/Server server....
VideoSetDriver (Function)
Connects the "Camera" control to a specific driver for video capture.
QuickActionList (Function)
Lists the application's quick actions....
RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
tapiStopCallDetection (Function)
Stops the specified call detection that was started by tapiListen.
DashMode (Function)
Opens or closes the Dashboard control edit mode.