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...
Events associated with a Dashboard control
WINDEV and WINDEV Mobile manage the following events by default (order of appearance in the code editor)...
OrganizerDisplay (Function)
Reinitializes the content of an Organizer control from its data source (HFSQL data file for example).
The Bar Code control
The Bar Code control displays bar codes in your windows, pages or reports......
FinPeriodInterest (Example)
Usage example of the FinPeriodInterest function
Record (Type of variable)
The Record type is used to save the values of a record.
Infinite Progress Bar control
Progress bars provide useful information to the end user......
Count (Property)
The Count property returns the number of elements in a given set.
HCreateMasterReplica (Function)
Creates the description file of a Master Replica (logged replication or universal replication).
"Component.WDO" file
When generating the external component, two files are automatically created in the EXE directory of the current project......
7. Debugger
WINDEV Tutorial - WLanguage basics Lesson 7 - Debugger - 30 min
ListInsert (Function)
Inserts an element into a List Box, ListView or Combo Box control populated programmatically.
IWListInsert (Function)
Inserts a new internal window in the list of internal windows used by an Internal Window control.
UI audit: Detect obsolete features
The lifecycle of some projects span several years......
Managing main window menus
A main menu is necessarily associated with a window......
Visibility of the elements found in an external component
When creating an external component, you have he ability to define the elements of the external component that will be accessible (or not) by the user of the component......
Keywords (Property)
The Keywords property is used to get and modify the keywords associated with a page.
Error (Function)
Displays a custom error message in a system error window.
2. Searching and iterating over records
WINDEV Tutorial: WINDEV application: Managing data Lesson 2 - Searching and iterating over records - 30 min
Operations performed on activity diagrams
The following paragraphs explain......
FinDecreasingRedemption (Example)
Usage example of the FinDecreasingRedemption function
Break in a Looper control
A break in a Looper control is used to group the data corresponding to one or more arguments......
fEncrypt (Example)
Usage example of the fEncrypt function
FaxRestart (Function)
Restarts a fax in the spooler.
The Range Slider control
The Range Slider control is used to easily select an interval or a zoom......
Audits
The audits provide a set of features used to automatically improve the project quality and performances, and to follow the conditions in which it is implemented......