ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HLockRecNum (Function)
Locks a record and restricts the access to this record for all the other applications.
Managing menu options in MDI windows
The MDI windows must respect some constraints specific to the MDI applications......
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
Creating a WINDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective......
Camera functions
Creating an executable: Managing manifests
When running an executable, Windows Vista (and later) performs several checks regarding the rights of the current user via the UAC mechanism (User Account Control)......
Link functions (prefix syntax)
Link functions are used to link the interface with the data files (and vice versa)....
<Source>.UnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
<Source>.UnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
Link functions
Link functions are used to link the interface with the tables and vice versa. These functions are as follows:...
Password (Property)
The property Password property can be used: on the edit controls (or on the text table columns) to find out whether the control is a "Password" control or to modify the "Password" type of the control. on the connections (HFSQL Client/Server, OLE DB, etc.) to define the password of the user who uses the connection....
Domotic functions
List of functions for managing domotics...
3-tier architecture
The development in "3-tier" architecture is now simplified......
HFSQL Client/Server: Backing up databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis......
The "dynamic" Tab control
The "Dynamic tab" Tab control is used to display several windows in the same window......
Class inheritance
The hierarchical organization in class and sub-class has allowed to create the notion of inheritance......
WinEdSaveNote (Function)
Exports the repositionable notes created by the user into a file.
WDInst: configuring the interface of setup program
By default, WDInst (the setup editor) proposes a standard setup program (the wallpaper corresponds to a gradient shade of blue and no slide is displayed......
NoteCreate (Function)
Creates a Repositionable Note control in the curernt window through programming.