ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Advanced management of class instances
The advanced management of instances is used to choose the mode for taking reference. This choice has a direct impact on the release of class objects: depending on the reference selected, the "Destructor" will not be called at the same time.....
WHelp (Function)
Displays a file or a help page in HLP or CHM format.
VisibleRange (Property)
The VisibleRange property gets and sets the width of the Range Slider control track.
WLanguage procedure called by fWatchDirectory
WLanguage procedure ("callback") called by fWatchDirectory when a change is made to the watched directory.
PVTToExcel (Function)
Creates an Excel file with data from a Pivot Table control.
PageWriteCustomHTTPCode (Function)
Specifies the custom HTTP code that will be returned to the client after the server code of the page is executed.
Use (External language)
Opens the specified window by closing all the windows opened beforehand.
Manipulating Action Bars programmatically
Action Bars can be manipulated programmatically. To do so, use the variable corresponding to the Action Bar in the code....
NumberPage (Property)
The NumberPage property is used to get: the number of pages in a "multi-page" image file. This image is displayed in an Image control or in the background of a Chart control. the number of pages in a PDF file displayed in an Image control. the number of pages found in a PDF file displayed in a PDF Reader control. the number of pages found in a DOCX file displayed in a Word Processing control....
WinSize (Function)
WinSize: returns or modifies the window display mode (maximized, minimized or normal), modifies the window height and/or width, moves the window and modifies a window's height and/or width....
WLanguage procedure called by fTrackFile
WLanguage procedure ("callback") called by fTrackFile when a change is made to the tracked file.
fResourceDir (Function)
Returns the path of the read-only resources of the application.
MultimediaPlay (Function)
Plays a media file in a Multimedia control.
Multi-touch in an Image control
One of the most common applications of the multi-touch feature is used to handle images......
ToastDisplay (Function)
Displays a "Toast" message.
Table,Display (External language)
Refreshes the Table control.
TableFilteredColumn (Function)
Returns the list of columns filtered by the user in a Table or TreeView Table control.
TableFormulaAdd (Function)
Adds a calculated row to a Table control by providing custom calculation procedures.
LooperAddIW (Function)
Adds a row as an internal window at the end of a Looper control populated programmatically.
Modbus
Modbus is a "field" (industrial and/or restricted environments) communication protocol created in 1979......
TableDeleteAll (Function)
Deletes all rows from: a Table control populated programmatically, a TreeView Table control populated programmatically, a table displayed in a Combo Box control....