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Version: 2026

Declaring the functions of the Windows API
Syntax for declaring the functions of the Windows API
Instance (Function)
Returns the "system handle" (HINSTANCE) of the current program.
Value of constants for the Windows 32-bit API
Value of constants for the Windows 32-bit API
CallDLL32 (Function)
Runs a function found in an external DLL.
API (Function)
Runs a function found in an external DLL.
FolderModeImage (Property)
The FolderModeImage property is used to get and change the display mode of the folder image in TreeView and TreeView Table controls.
Minimized (Property)
The Minimized property is used to: find out whether a repositionable note is minimized, minimize or restore a repositionable note....
UseMode (Property)
The UseMode property is used to determine or change how the PDF Reader control reacts to mouse input. The mouse is used to select text in the document or to move within the document pages.
DisplayModeAutoWhenLoading (Property)
The DisplayModeAutoWhenLoading property is used to determine and change the display mode when loading a PDF document.
Body (Property)
The Body property is used to identify and modify the HTML body of an HTML Display control or an HTML Editor control.
HorizontalAlignment (Property)
The HorizontalAlignment property gets and changes the horizontal alignment of a control.
VerticalAlignment (Property)
The VerticalAlignment property gets and changes the vertical alignment of a control.
sComputeCrc16 (Function)
Checks a character string before and after transmission between WINDEV applications and WEBDEVsites.
VisibleRange (Property)
The VisibleRange property gets and sets the width of the Range Slider control track.
AutomaticallyMinimized (Property)
The AutomaticallyMinimized property is used to: Find out the timeout before the Repositionable Note control is automatically minimized. Define the timeout before the Repositionable Note control is automatically minimized....
FocusColor (Property)
The FocusColor property gets and sets the color used to highlight input fields in a PDF form (displayed in a PDF Reader control). This new property is available from WINDEV Suite SaaS 2025 Update 3....
ControlColor (Property)
The ControlColor property allows you to get the background color of controls in a PDF form displayed in a PDF Reader control. This new property is available from WINDEV Suite SaaS 2025 Update 3....
DndTarget (Property)
The DndTarget property determines and changes how a control behaves in a drag-and-drop operation.
BarVisible (Property)
The BarVisible property manages the selection bar on a column of a Table or TreeView Table control.
DndSource (Property)
The DndSource property is used to determine and change a control's drag-and-drop behavior....
AutomaticLink (Property)
The AutomaticLink property is used to: determine if the automatic link detection mode is enabled, enable or disable the automatic link detection mode....
ValuePerStar (Property)
The ValuePerStar property gets and sets the value of a star in a Rating control.
MarginHeight (Property)
The MarginHeight property is used to: Find out the vertical margin between the widgets found in a Dashboard control. Modify the vertical margin between the widgets found in a Dashboard control....
SourcePage (Property)
The SourcePage is used to identify the source of an internal page (i.e. the internal page displayed by an Internal Page control).
DisplayFormattingMarks (Property)
The DisplayFormattingMarks property is used to: Determine if formatting marks are shown or hidden in a Word Processing control. Show or hide formatting marks in a Word Processing control....
PaneVisible (Property)
The PaneVisible property is used to: determine if the pane of the Image Editor control is visible, show or hide the pane of the Image Editor control....
Dialog box functions
List of functions for managing dialog boxes...
Autofill (Property)
The Autofill property indicates the type of information to be automatically entered in an Edit control.