ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

NullIfEmpty (Property)
The NullIfEmpty property is used to: Find out whether the value returned by the control is NULL if its content is empty. Configure the value returned by the control if its content is empty....
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....
LibraryPanelVisible (Property)
The LibrayPanelVisible property is used to: determine if the "Library" panel is displayed in a Diagram Editor control. show or hide the "Library" panel in a Diagram Editor control....
6. Internal window
Internal windows...
AnchorRateRight (Property)
The AnchorRateRight property is used to: Find out the anchor rate when a control moves on the horizontal axis. Modify the anchor rate when a control moves on the horizontal axis....
ListPosition (Function)
Displays a List Box or ListView control from a specified element or returns the index of the first element displayed in a List Box control (if the scrollbar was used).
PageBorderVisible (Property)
The PageBorderVisible property is used to: determine if the page borders are displayed in a Diagram Editor control. show or hide the page borders in a Diagram Editor control....
ChangeSkinTemplate (Function)
Dynamically changes the theme: of all windows found in the current application, of the windows found in the WINDEV components used by the application, of a specific window found in the project....
Error 1054: 'Ancestor' cannot be used outside the code of a class
Checks whether an expression is not Null in assertive programming and in automated test mode....
DayWidth (Property)
The DayWidth property is used to determine and change the width of days: in a Scheduler control where the days are displayed by columns and the resources in rows. in a Gantt Chart column....
FormattingMarksColor (Property)
The FormattingMarksColor property is used to: get the color of the formatting marks in a Word Processing control. change the color of the formatting marks in a Word Processing control....
<List Box>.Position (Function)
Displays a List Box (or a ListView) control from a specified element or returns the index of the first element displayed in a List Box control (if the scrollbar was used).
WLanguage procedure called by HashCheckString
The ZoomWithFinger property is used to: determine if an Image or Camera control supports pinch zoom. enable or disable pinch zoom in an Image or Camera control....
NbLabel (Property)
The NbLabel property is used to: Find out the number of labels printed across the page width. Modify the number of labels printed across the page width....
ModifierPanelVisible (Property)
The ModifierPanelVisible property is used to: determine if the "Modifier" panel is displayed in a Diagram Editor control. show or hide the "Modifier" panel in a Diagram Editor control....
MarginWidth (Property)
The MarginWidth property is used to: Find out the horizontal margin between the widgets found in a Dashboard control. Modify the horizontal margin between the widgets found in a Dashboard control....
Extension (Property)
The Extension property is used to: get the extension of a table defined in the data model editor or programmatically. define the extension of a file (when the file is described through programming only)....
Control animations
WINDEV and WINDEV Mobile allow you to animate the controls found in a window......
1. Communication with WINDEV Mobile
WINDEV Mobile includes several communication functions for different fields....
Error 810: * can only be used for a parameter with a default value
Error 809: The * character cannot be used as mandatory parameter in a function
Constants used by the functions for managing Dockable Panel controls
How to create an SQL query to filter records?
This help page explains how to create an SQL query to filter records....