ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

<Polygon2D variable>.ConvexHull (Function)
Calculates the convex hull of the specified 2D polygon.
Window control search functions
WINDEV allows the user to perform a search among all the texts found in a window or in a control......
MemPrevious (Function)
Positions on the element found before the current element of a memory zone and returns the value of this element.
My Preset controls
It is not uncommon for developers to recreate the same controls, with the same style and (almost) the same code in the same project, without using a template or an Internal Window control......
Report viewer: "Preview" tab
The report viewer allows end users to view reports before printing them......
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items......
ERR_NO_APPLICATION
<TreeView>.Select (Function)
Returns the full path of the selected element in a TreeView control.
FlexAlignSelf (Property)
The Property FlexAlignSelf allows you to know and modify the alignment and vertical anchoring of the field in the row of the Flexbox field ( Property corresponding CSS "align-self").
Android permission management
Android applications require permissions to provide certain features that may require access to sensitive data or sensitive device functionalities......
ERR_BAD_ACTION
<Image variable>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
<Image>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
Transfer (Function)
Copies a block of bytes or a fixed-length string from a memory address into another one.
<WDPic variable>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
<picLayer variable>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.