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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

DiagramEndModification (Function)
Indicates the end of a series of actions performed in a Diagram document in a single event ("undo/redo")....
<Document variable>.StartModification (Function)
Indicates the start of a series of actions performed on a Document variable in a single event ("undo/redo")....
<Document variable>.EndModification (Function)
Indicates the end of a series of actions performed in a Document variable in a single event ("undo/redo")....
DiagramStartModification (Function)
Indicates the start of a series of actions performed in a Diagram document in a single event ("undo/redo")....
<Spreadsheet>.StartModification (Function)
Indicates the start of a series of actions performed in a Spreadsheet control in a single event ("undo/redo")....
First page of the project in session mode
The first page of the project is the first page in Session mode opened in the Web user's browser when a WEBDEV site in session mode starts......
WDTrans: Overview
WDTrans is a tool for canceling transactions......
Warning 18: Loop without potential end
WDAPI: Converting a declaration of C function or structure
WDAPI is used to convert a declaration of C function or structure into a declaration of WLanguage function or structure......
Warning 36: No BREAK, RETURN or RESULT was detected in the code of the loop
Including the code
You want to include your code lines in a condition, in a structure, ......
Installing and using a Bitcoin Core server
WLanguage offers various functions for handle a Bitcoin Core server......
Menus and menu options: Tips & Tricks
This page presents some operations specific to the menus and to the menu options......
Mathematical SQL functions
The mathematical SQL functions that can be used on the queries written in SQL code are as follows......
Managing the synchronization
For each action performed in a page, the mechanism for page synchronization automatically checks the synchronization......
Managing the critical sections
Semaphores are used to limit the simultaneous execution of a code (procedure, line of code, etc....
Multi-database queries
A query (typed in SQL code) can operate on different databases......
WDMap: Overview
WDMap is a tool used to view and handle a data file while developing an application......