ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Creating help pages
A help system includes several pages......
Second (Property)
The Second property is used to: Retrieve the number of seconds from a Time, DateTime or Duration variable. Modify the number of seconds in a Time, DateTime or Duration variable. Retrieve the seconds or the number of seconds from a Date item (in "Date and Time" or "Duration" format) Modify the seconds or the number of seconds in a Date item (in "Date and Time" or "Duration" format)...
SourceFile (Property)
The SourceFile property is used to set the characteristics of a link.
Managing menu options in MDI windows
The MDI windows must respect some constraints specific to the MDI applications......
Class inheritance
The hierarchical organization in class and sub-class has allowed to create the notion of inheritance......
LinkedFile (Property)
The LinkedFile property is used to set the characteristics of a link.
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......
WEBDEV styles
The WEBDEV styles are advanced styles, easier to use than the CSS styles......
3-tier architecture
The development in "3-tier" architecture is now simplified......
Events associated with the controls of a report
The events associated with the controls of a report are as follows......
Camera functions
Creating a WINDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective......
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
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)....
Properties available in Java
WINDEV allows you to generate a Java application without even knowing the Java language......
HUnlockRecNum (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)....
TableDeleteChild (Function)
Deletes all child rows from a branch of the hierarchy.
NoteCreate (Function)
Creates a Repositionable Note control in the curernt window through programming.
Link functions
Link functions are used to link the interface with the data files (and vice versa). These functions are as follows:...
HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
Sub-query
A sub-query is a query whose result is used by another query......
SQL selection conditions
To specify the selection conditions in an SQL query, you can use......
WinEdSaveNote (Function)
Exports the repositionable notes created by the user into a file.