ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Connection variable>.RSDeleteConfig (Function)
Deletes a replication between two HFSQL servers.
iPageHeight (Function)
Calculates the height of printable page (in millimeters) while taking the top or bottom margins into account.
HDeleteLink (Function)
Deletes an integrity rule between two data files on the server.
Link Description (Type of variable)
A Link Description variable is used to describe a link between two data files through programming.
ArrowStart (Function)
Sets the position of the source end of an arrow in a "Shape" control.
HAddLink (Function)
Adds an integrity rule between two data files on the server.
ArrowEnd (Function)
Sets the position of the target end of an arrow in a "Shape" control.
ArrayUnionAll (Function)
Returns an array corresponding to the union of two arrays (without deleting duplicates).
Creating index keywords
Index keywords allow users to easily find a help page......
Managing breakpoints
During a project test in the editor, breakpoints are used to automatically start the debugger from a given line......
<Image>.DrawRectangleGradient (Function)
Draws a rectangle in an Image control.
CommonLength (Function)
Returns the number of common characters between two strings (from the beginning or from the end of the string).
ActionDeclareUndo (Function)
Declares how to cancel an action that was added by ActionDo. This function MUST be called when running the procedure supplied to ActionDo.
SNMPOIDAccess (Function)
Returns the authorized access modes of a specific OID.
Error 120: Redefinition of the structure
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
<Connection variable>.AddLink (Function)
Adds an integrity rule between two files on the server.
<Array>.Intersect (Function)
Returns an array corresponding to the intersection of two arrays.
<Array>.Union (Function)
Returns an array corresponding to the union of two arrays.
Tiff (Type of variable)
The Tiff type is used to define the advanced characteristics of a TIFF image.
<Image>.Resize (Function)
Resizes an image in an Image control.
<Image>.InvertColor (Function)
Inverts the colors in an Image control.
14. Managing the "Back" button in practice
<Image>.Rotation (Function)
Rotates an Image control.
AttachPointAdd (Function)
Defines an attach point for one of the two extremities of a Wire control.