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...
Report based on a data file
A report based on a data file is used to print the records coming from a single data file (HFSQL Classic or Client/Server, accessed via a Native Access, ......
EnumElement (Function)
Used to enumerate the project elements: windows, pages, reports, queries, ...
Environment configuration
An environment configuration corresponds to a backup of the work environment in the editors of WINDEV, WEBDEV and WINDEV Mobile......
InTestMode (Function)
Indicates whether the application or the site is started: from the WINDEV or WEBDEV editor, from the executable or browser. from the WEBDEV administrator....
HCheckUnaltered (Function)
Checks whether one or all records in an unalterable data file have not been modified (with an hexadecimal editor for example).
Upload control events
The following processes are associated with the Upload control:...
<Source>.CheckUnaltered (Function)
Checks whether one or all records in an unalterable data file have not been modified (with an hexadecimal editor for example).
Events associated with Scrollbar controls
List of WLanguage events associated with Scrollbar controls...
Events associated with Sidebar controls
List of events associated with Sidebar controls...
Events associated with Slider controls
List of events associated with Slider controls in a window...
EndAutomatedProcedure (Function)
Stops the current or forthcoming execution of an automatic procedure (defined by the properties of the procedure in the code editor).
diagGroup (Type of variable)
The diagGroup type is used to define all the advanced characteristics of a group of shapes in a Diagram Editor control.
Mobile Image Editor control properties
You can manipulate Mobile Image Editor controls in a window using the following WLanguage properties......
Diagram Editor control properties
If the image is an image map, you can include "Clickable areas" in the image......
LineCursor (Property)
The LineCursor property gets and sets the number of the line where the cursor is located in a Code Editor control.
The Conference control
...The Conference control allows you to view and/or listen to video and/or sound in real time......
The "Analysis" pane
The "Analysis" pane lists......
Managing iconic fonts
Include special characters in your captions via the iconic fonts....
Configuring the setup program
Two tools can be used to create a setup program......
Running the test of a static project
The test of the entire project allows simulating the startup of the site......
7. HFSQL: files physically created
WDScript: use in interactive mode
In interactive mode, the WDScript editor is divided into several areas......
RunReportsAndQueries (Function)
Starts Reports and Queries and opens the WINDEV project corresponding to the current application.
Report based on a form
The report editor gives you the ability to print reports on pre-printed forms (image file or PDF file)......
Reports & Queries: Unsupported WLanguage functions
Some WLanguage functions are not available in Reports & Queries......