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Version: 2026

The Scrollbar control
The Scrollbar control is used to scroll objects (text, captions, etc.
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed......
Gantt functions (prefix syntax)
The following WLanguage functions are used to manage Gantt charts......
PDFReaderSeekFirst (Function)
Initializes the search for a text in a PDF file displayed by the PDF Reader control and positions on the first occurrence found (from the current page).
InternalPagePopup (Property)
The InternalPagePopup property is used to get and modify the name of the internal page used to customize the content of marker popups in a Map control.
KanbanInfoXY (Function)
For a given position (coordinates of a point) in a Kanban control, returns one of the following: the number of the card at that position, the number of the list at that position...
dTextMarkdown (Function)
Draws Markdown text: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable]....
<Element>.RequestRefreshUI (Function)
Requests the execution of the "Request for refreshing the display" event of the specified element (and gives back control without waiting for the execution of the event).
SourceWindow (Property)
The SourceWindow property is used to get the source of an internal window (i.e. the internal window displayed by the Internal Window control).
dFont (Function)
Declares the font to be used by the dText function: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
TokenListSeparator (Property)
The TokenListSeparator property retrieves or modifies the separators that trigger the creation of new tokens when entering information in a "Text token" Edit control.
dArc (Function)
Draws an arc of circle or an arc of ellipse: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
<Gantt chart>.AddLink (Function)
Creates an "End to Start" link between two tasks displayed in a Gantt Chart column found in a Table or TreeView Table control.
SchedulerBackgroundColor (Function)
Sets a background color for a time period in a Scheduler control (time period corresponding to lunch time, a public holiday, etc.).
PageLayout (Property)
The PageLayout gets and sets the layout of the current diagram in the Diagram Editor control. The layout of the diagram is defined in a variable of type diagLayout.
<PDF Reader>.SeekFirst (Function)
Initializes the search for a text in a PDF file displayed by the PDF Reader control and positions on the first occurrence found (from the current page).
GanttAddLink (Function)
Creates an "End to Start" link between two tasks displayed in a Gantt Chart column found in a Table or TreeView Table control.
CodeEditorComment (Function)
Comments the current selection in the Code Editor control. "//" characters are inserted at the beginning of the current line....
InitialVisible (Property)
The InitialVisible property is used to determine if: a control was visible during the first display of the associated window or page. a window was visible during its first display....
TreeView data-bound Table control based on a table
A TreeView Table control can be linked to a table or a query......
dSlice (Function)
Draws a circle section or an ellipse section: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
IndentLineDetails (Property)
The IndentLineDetails property is used to get or change the value of the left indent of the internal window that shows the details of a row of a Table control.
InvalidInputMessage (Property)
The InvalidInputMessage property gets and sets the message that will be displayed if the control contains invalid data (input mask or value out of bounds).
RequestRefreshUIElement (Function)
Requests the execution of the "Request for refreshing the display" event of the specified element (and gives back control without waiting for the execution of the event).
InternalWindowPopup (Property)
The InternalWindowPopup property is used to get and modify the name of the internal window used to customize the content of marker popups in a Map control.