ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

EmailCloseSession (Function)
Closes an email management session depending on the selected mode (SMTP/POP3, IMAP, MS Exchange or Lotus Notes)....
11. Controls in practice
Discover the main characteristics of the controls...
Refreshing the page data
In a dynamic WEBDEV site, the page data is refreshed during a user action......
USING IN (Critical section)
The statement USING ... IN makes it possible to automatically perform initialization and ending operations on critical sections.
AS/400: Development method
The Native AS/400 Connector simplifies access to AS/400 data from your WINDEV and WEBDEV applications......
The requested action cannot been performed: the page was not synchronized
How to create an SQL query to count?
This help page explains how to create a count query with the query editor....
<Image variable>.SaveBMP (Function)
Saves an image contained in an Image variable: in a file in BMP format. in memory....
<Image variable>.SaveGIF (Function)
Saves an image found in an Image variable: in a file in GIF format. in memory....
<Chart>.StartAngle (Function)
Sets the starting angle of the first section in the following types of chart: Pie, Semi-circular or Donut. Sunburst. Radial Bar chart....
Custom title bar with menus and controls
There is a new trend in UI design: application menus in the title bar!...
Appendix 1: WEBDEV vocabulary
Bloque entièrement ou partiellement un fichier externe....
AppointmentModify (Function)
Modifies the current appointment: in a Lotus Notes or Outlook calendar. in the calendar found on a mobile device (Android/iOS)....
Handling an iFrame control through programming
WEBDEV allows you to handle an iFrame control by programming......
The OLE control
The OLE control is used to handle an OLE object......
Control Centers: Working in offline mode
When working on a laptop computer or on an offline computer, you may want to continue working with the data found in the Control Centers (schedule management, quality management, etc....
Enumeration (Type of variable)
An enumeration is a set of values......
Combination (Type of variable)
A combination is a set of options.
Modifying the query content
The queries are used to easily select the records coming from one or more files, matching one or more selection criteria, ......
Thumbnail (Property)
The Thumbnail property can be used on: the items of an HFSQL data file. For more details, see Thumbnail property on items. the Thumbnail controls (WEBDEV only). For more details, see Thumbnail property on Thumbnail controls....
<Source>.CancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
NbItem (Property)
The NbItem property is used to get the total number of items (including composite keys) in a record of: a file described in the data model editor, a file described programmatically, an HFSQL view, a query....
Binding an OLE control to an item
An OLE control can be bound to an item in a data file, query, etc....
CollapsedImage (Property)
The CollapsedImage property is used to: find out and/or modify the default image associated with a collapsed row in a TreeView Table control. find out and/or modify the default image associated with a collapsed row in a TreeView control. find out and/or modify the image associated with a specific collapsed row in a TreeView Table control. find out and modify the image in a collapsed row of a TreeView item in a "TreeView table" type report....
CriticalSection
The CriticalSection keyword can correspond to: the CriticalSection function, which makes it possible to enable a named or on-variable critical section in the statement USING ... IN. the CriticalSection variable, which makes it possible to define critical sections to limit the simultaneous execution of a code (procedure, line of code, etc.) to one thread at a given moment in an application....