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.
SysWinHandle (Function)
Returns the handle of a window identified by its title.
fCreate (Function)
Creates an external file.
SendMessage (Function)
Sends a Windows message to a control or to a window.
URLDecode (Function)
Decodes an encoded URL (which means with characters in %xx format).
SysWinTitle (Function)
Returns the title of the window.
fEncrypt (Function)
Encrypts a file in binary or ASCII format.
Timer (Function)
Periodically and automatically calls a WLanguage procedure.
PostMessage (Function)
Sends a Windows message to a control or to a window.
SysValidHandle (Function)
Checks the validity of a window handle.
fCopyFile (Function)
Copies one or more files (regardless of their attributes).
TimerSys (Function)
Periodically and automatically calls a WLanguage procedure.
SysIconAdd (Function)
Adds a system tray icon (in the lower-right corner of the screen).
fCompare (Function)
Compares the content of two files bit by bit.
SysIconModify (Function)
Modifies the icon file and/or the hover text of the icon in the taskbar (lower-right corner...
fCompress (Function)
Compresses a file.
SysIconDelete (Function)
Deletes an icon from the taskbar (next to the clock).
fLongPath (Function)
Returns the full long path of a file or directory.
SysIconize (Function)
Used to find out whether a window is minimized.
fShortPath (Function)
Returns the full short path of a file or directory.
SysInstance (Function)
Returns the instance of a module.
fLoadText (Function)
Loads the content of a text file into any text control or text variable (string variable, edit...
SysReleaseDC (Function)
Frees the current DC (Device Context) retrieved by SysGetDC.
fLock (Function)
Entirely or partially locks an external file.
SysErrorMode (Function)
Modifies the display mode of errors.
fAttribute (Function)
Returns or modifies the attributes of a file.