ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Creating a delete query
A delete query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating a query
Two methods can be used to create a query...
Items used in a select query
A query created in the query editor can contain several types of items...
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Create an insert query
An insert query (corresponding SQL statement...
Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files defined in the analysis...
Code history
The code history is used to...
Environment of the query editor
Creating a select query
A select query (corresponding SQL statement...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Select query description window
The description window of a select query includes several sections...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Example for creating a select query
This help page explains how to create two select queries...
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display...
Test of a query
The query editor allows you to run the test of query result...
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed in the result of the query.
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be...
grDestinationBMP (Function)
Defines a BitMap file as destination of a chart (BMP means BitMap).
DayOfMonthOrDayOfWeek (Property)
The DayOfMonthOrDayOfWeek property is used to set the execution of a scheduled task by specifying the day number of the week or the day number of the month.
HTransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
Importing a WEBDEV project into WINDEV
...WINDEV proposes a feature for importing WEBDEV sites or WEBDEV pages....
fWriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).
2. Variables
WINDEV Tutorial: WLanguage basics Lesson 2 - Variables - 20 min
6. Procedures
WINDEV Tutorial - WLanguage basics Lesson 6 - Procedures - 20 min
BitcoinCoreDateTimeLatestBlock( Function)
Returns the date and time when the last block was created.
HDescribeServerTrigger (Function)
Adds or modifies a server trigger.
Locking an application
WINDEV gives you the ability to lock your applications (after a specific duration for example)......
Libraries (.WDL file)
A library is a WDL file that contains all WINDEV or WEBDEV resources ......
MDIOpen (Function)
Opens and enables an MDI child window.
HState (Function)
Used to find out the state of a record.
WithSpace (Function)
Adds or deletes the spaces found on the right of a text item when reading it.
Enlarging a window
Modern UIs generally use larger windows and larger fonts in the different controls......
Y (Property)
The Y property is used to: Find out the Y-coordinate of a control or window (position on Y-axis). Modify the Y-coordinate of a control or window....
BitwiseXOR (Function)
Returns the result of the bitwise exclusive OR operation performed between two values.
3. Interface (UI)
WINDEV Mobile tutorial: My first Android/iOS application Lesson 3 - Interface (UI) - 30 min...
Handling a Radio Button control programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle Radio Button controls......
SchedulerReset (Function)
Populates the ScheduledTask and/or TriggerScheduledTask structures with the default values....
WDADMINEXE : Controlling the application remotely
The remote control of a WINDEV application allows the manager of an application used in network to manage the automatic or forced shutdown of the application for all the current users......
SEO of a WEBDEV site
In order for your site to get visitors, the Web users must be able to find it......
Properties associated with windows, pages and controls
List of properties associated with windows, pages and controls...
Management of Google documents
Google Docs and Google Spreadsheet are the online word processing and the online spreadsheet proposed by Google......
AppointmentAdd (Function)
Adds an appointment: in a Lotus Notes or Outlook calendar. in a calendar on a mobile device (Android or iOS)....