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Version: 2026

XMLExtractDocument (Function)
Creates a new XML document from an existing XML document.
DeleteAll (Function)
Deletes all the elements: from a one-dimensional or two-dimensional WLanguage array. from an associative array. from an advanced array property (array of gglCalendar events, etc.). from a WLanguage queue. from a WLanguage stack. from a WLanguage list....
Use (Function)
Opens a WINDEV window and closes all the other windows that were opened beforehand.
HExtractMemo (Function)
Extracts the content of a binary memo item from an HFSQL file, a query or an HFSQL view to a physical file (on disk).
LooperAdd (Function)
Adds a row at the end of a Looper control.
OpenAsynchronous (Function)
Opens a window whose result will be retrieved via a WLanguage procedure ("callback").
InitialValue (Property)
The InitialValue property is used to get the initial value of a control in a window or page.
dSaveImagePNG (Function)
Saves an image: in a PNG file. in memory....
Deserialize (Function)
Deserializes a buffer or a character string containing the data from a class, structure, array (including an associative array), queue, stack, list or advanced variable, as well as their subelements.
SQLGetCol (Function)
Retrieves the content of the specified column from the query result, for the current line.
SeekByProcedure (Function)
Seeks an element in a one-dimensional array by using a comparison procedure.
SwapLine (Function)
Used to swap two rows in a two-dimensional array or in an advanced array property.
ImageLast (Function)
Displays the last image for the scroll.
XMLRestorePosition (Function)
Restores the previously saved context of an XML document.
7. Debugger
WINDEV Tutorial - WLanguage basics Lesson 7 - Debugger - 30 min
dCopyImage (Example)
Usage example of the dCopyImage function
ListInsert (Function)
Inserts an element into a List Box, ListView or Combo Box control populated programmatically.
DateTimeByDefault (Function)
Used to define the default value of Date, Time and DateTime variables.
gImage (Function)
Builds a sequence of characters containing an image.
DecimalToSexagesimal (Function)
Returns the sexagesimal angle (in base 60) corresponding to a decimal angle.
Runtime error management functions
List of functions for managing runtime errors...
XMLResult (Function)
Returns the result of a calculation XPath query.
EventCreate (Function)
Creates an event.
MapMode (Property)
The MapMode property determines and changes how the map is displayed in the Map control.
Height (Property)
The Height property is used to get and change the height: of a control or block in a report. of a control (in a window), window, row of a Table, List Box or ListView control, option of a Radio Button or Check Box control, break header or footer of a Table or Looper control. of a control (in a page), break header or footer in a Table or Looper control. The control can be overlayable or not. of a break cell in a Table or Looper control....