ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HPrevious (Function)
Positions on the previous file record according to a browse item.
Managing mutexes in threads
A mutex is used to limit the simultaneous execution of a code (procedure, line of code, etc.) to one thread at a given time....
ExecuteUpdateUI (Function)
Immediately executes the "Request for refreshing the display" event of the window, page, internal window, internal page, control template or supercontrol. This function is kept for backward compatibility.
Crosshair in a chart
In a Line chart, it may be difficult to read the value of axes for a point that is far from these axes......
SysDirExternalStorage (Function)
Returns the path of the directory that will be used to store files in the external storage space of the Android device.
Manipulating a Layout control programmatically
A Layout control can be......
Project image gallery
The project image gallery allows viewing all the images of a project in a single click......
ExecuteRefreshUI
Immediately executes the "Request for refreshing the display" event of the window, page, internal window, internal page, control template or supercontrol.
Class diagram
A class diagram describes the structure of a system via classes and the relationships among them......
gLinkActivate (Function)
Allows (or not) retrieving the value defined by gLink in a List Box or a Combo Box control. Function kept for compatibility. It is recommended to use gStoredValueEnable....
DnDCacheData (Function)
Indicates the type of data and the data to copy/move during Drag/Drop....
DateToString (Function)
Converts: a date to a string in the specified format. a date time to a string in the specified format....
ListSort (Function)
Sorts the elements in a List Box, ListView or Combo Box control populated programmatically.
HConvertX (Function)
Converts a numeric value into a binary string in order to perform a search on a numeric key.
HChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
Reports & Queries: Specific features
This help page presents the specific features of "Reports & Queries" (which means the user version of report editor) ......
Keyboard shortcut and hotkey
A control in a window or page can be associated with an alphanumeric character, a key or combination of keys ("keyboard shortcut"), etc....
Automatic management of exceptions
The management of exceptions can be customized by process......
Kanban control properties
In a window or page, you can use WLanguage properties to handle......
Creating an application using the RAD methodology
The RAD (Rapid Application Development) is a technology used to easily create a full application (or site)......
Calendar control properties
Several WLanguage properties can be used on the Calendar control found in a window or in a page......
Accessing a database via a web service
The database can be accessed via a web service......
HAlias (Function)
Creates a logical alias of a data file (or query) or cancels all existing aliases.
WDMap: Viewing the records found in a data file
WDMap is used to view the records found in a data file......
HReadLast (Function)
Sets the position on the last record of a data file according to a browse item.