ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

GeometryDistance (Function)
Calculates the distance between two geometries.
WDMap: Viewing records: special cases
This help page presents the special display cases in WDMap......
<Source>.ReadFirst (Function)
Sets the position on the first record according to a browse item.
<Source>.ReadNext (Function)
Sets the position on the next table record according to a browse item.
<Source>.Optimize (Function)
Used to handle the idle periods of a software (period without processes) to optimize the queries and the browses that will be run thereafter.
<PolygonGeo variable>.Overlap (Function)
Determines if a geographic polygon overlaps another geometry.
HFilterContains (Function)
Defines and enables a "Contains" filter on a table, view or query.
HFound (Function)
Checks whether the current record corresponds to the current filter or search.
<Source>.FilterContains (Function)
Defines and enables a "Contains" filter on a table, view or query.
<Polygon2D variable>.ConvexHull (Function)
Calculates the convex hull of the specified 2D polygon.
<Polygon2D variable>.Cover (Function)
Determines if geometry A (of type 2D polygon) covers geometry B.
WDMap: Adding, modifying and deleting the records of a data file
WDMap allows you to perform simple operations (addition, modification or deletion) on the records found in a data file......
<Source>.Found (Function)
Checks whether the current record corresponds to the current filter or search.
HReadNext (Function)
Sets the position on the next table record according to a browse item.
HOut (Function)
Used to find out whether the record on which you want to be positioned is located outside the table, filter, view or query.
<Source>.Out (Function)
Allows you to find out whether the record on which you want to be positioned is located outside the table, filter, view or query.
HOptimize (Function)
Used to handle the idle periods of a software (period without processes) to optimize the queries and the browses that will be run thereafter.
<Polygon2D variable>.Contain (Function)
Determines if geometry A (of type 2D polygon) contains geometry B.
<Polygon2D variable>.Difference (Function)
Returns a geometry representing the difference between a 2D polygon and another geometry.
WX file
The "Executable Name".WX file is used to manage some features directly, even if these features have not been included in the application. This file is found beside the executable....
5. Website test in practice
Starts recording a video via a Camera control in an Android or iOS application....
Specific features of the Express version
TimelineAddEvent(Function)
Adds an event into a TimeLine control.