ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Calling a procedure/a function
Syntax for calling a local or global procedure.
Declaring a procedure/a function
The different syntaxes for declaring a procedure...
Global procedure/function
A global procedure can be used in all the processes or events of the project.
Parameters of a procedure/function
You have the ability to pass parameters to a procedure.
Passing parameters
The parameters can be passed to a 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.
Local procedure
Two types of procedures are available...
Typecasting of parameters
The description of the parameter type is optional...
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes.
WinOutYPos (Function)
Returns the vertical position of the upper-left corner of a window in relation to the upper-left...
UnicodeToAnsi (Function)
Converts: a UNICODE string to ANSI (Windows). a buffer containing a UNICODE string...
MessTranslate (Function)
Retrieves a message found in the code of a program in the current language.
ArraySeek (Function)
Searches for the index of an element in a WLanguage array.
WinOutXPos (Function)
Returns the horizontal position of the upper-left corner of a window in relation to the upper-left...
Val (Function)
Returns the numeric value of a character string.
LoadError (Function)
Loads the file containing the error messages in the desired language into memory.
Nation (Function)
Defines or identifies the display language (captions, messages, ...) used for the windows, pages,...
ArrayAdd (Function)
Adds an element in last position: of a one-dimensional WLanguage array. of an advanced array...
WinOutWidth (Function)
Returns the full width of a window (including the border).
MatchRegularExpression (Function)
Checks whether a character string matches a specific format and retrieves the different substrings...
WinOutHeight (Function)
Returns the full height of the window (including the border, menu bar and title).
WeekNumber (Function)
Returns the week number within the year that corresponds to the specified date (this date...
ChangeSeparator (Function)
Changes the value of the separators (decimal separator or thousand separator) used in the numeric...
WinStatus (Function)
Identifies or modifies the window status.
ListSelectPlus (Function)
Selects one or more elements in a List Box, ListView or Combo Box control.
StatSum (Function)
Calculates the sum for a series of values.
TreeCopyItem (Function)
Copies an element (leaf or node) into a TreeView control.
VideoListDriver (Function)
Lists the video capture drivers installed on the current computer.
ListSelectCount (Function)
Returns the number of elements selected in a List Box, ListView or Combo Box control.
StatVariance (Function)
Calculates the variance for a series of values.
TreeAdd (Function)
Adds a "leaf" element (and all necessary nodes) into a TreeView control.
ListSelectMinus (Function)
Deselects an element in a List Box, ListView or Combo Box control.
StatVarianceP (Function)
Calculates the variance for a full series of values.
TreeInfoXY (Function)
Returns the TreeView element found at a given position.