ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
iParameterViewer (Function)
Configures the report viewer.
The Map control
The Map control allows you to display a map in order to geolocate, create a route, display points of interest (POI) and more....
List of reserved words
UI compilation errors
UI compilation errors indicate the possible problems detected in your interfaces whenever a window, a page or a report is saved or whenever the project is recompiled......
HModify (Function)
Modifies the specified record or the record found in memory in the data file (query or view).
ExceptionThrow (Function)
Artificially triggers the security mechanism of WLanguage by throwing an exception.
fRead (Example)
Usage example of the fRead function
Scheduler control: Customize appointments
In the Scheduler control, the appointment is displayed in a specific area......
Constant
The constants are language elements whose value is fixed once and for all...
HAdd (Function)
Adds: the record found in memory into the table (query or view). the record found in a Record variable into the table (query or view)....
HPrevious (Function)
Positions on the previous file record according to a browse item.
HNbRec (Function)
Returns the number of records in an HFSQL file, query or view: active records, deleted records, etc.
CoTan (Function)
Calculates the cotangent of an angle.
Tangent (Function)
Calculates the tangent of an angle.
iParameterPreview (Function)
Configures the print preview: display a message regarding the resources of current computer. display or not the ribbon panes (as well as the buttons found). the export options available in the mini preview window....
OKCancel (Function)
Displays a message in a standard dialog box that proposes "OK" and "Cancel" and returns the user's choice....