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...
Creating a service with WINDEV
A service is a specific type of application intended to be run without any user intervention......
ZOrder (Property)
The ZOrder property defines the Z-order of an element.
Synchronizing threads via events
Events can be used to synchronize the different threads of an application......
Monitoring robot: Configuring the robot parameters
From the monitor, you can change the configuration options......
CallDLL32 (Function)
Runs a function found in an external DLL.
Managing HBase databases
HBase is a non-relational (NoSQL) distributed database, based on columns and using non-structured storage for large tables......
InputMask (Type of variable)
The InputMask type is used to define all the advanced characteristics of a custom input mask.
MouseCursor (Property)
The MouseCursor property is used to identify and change the hover cursor defined for a control, window or page.
Opacity (Property)
The Opacity property is used to get and define the opacity percentage for a window, or for controls in a window or page.
TableModify (Function)
Modifies a row in: a Table control, a TreeView Table control, a table displayed in a Combo Box control....
Project Management Hub: Managing the schedule
The project contributors can manage their tasks directly from the schedule or from the task list......
Database parameters (Setup program)
The setup program creation wizard includes the setup of the database along with the application and suggests additional elements......
BackgroundImage (Property)
The BackgroundImage property is used to identify and modify the background color of an element: window, page, control or report.
Using offline sites
WEBDEV allows you to specify that a site or a set of pages can operate in off-line mode (without an Internet connection)....
Using the WINDEV windows from the Java source codes
WINDEV can be used to generate windows for a Java application......
Characteristics of the columns in a Table control in a window
The columns are used to display information in a Table control......
Handling a TreeView Table control programmatically
This page explains how to program TreeView Table controls......
Generating an Android application
The generation of a WINDEV Mobile application for Android groups all project elements (windows, code, etc....
Tips for developing a site for an iPhone or for a BlackBerry
WEBDEV allows you to develop sites for all types of devices......
Handling a Tab control through programming
WINDEV, WINDEV Mobile and WEBDEV allow you to handle a Tab control through programming......
2. WEBDEV administrator in practice
Changing sites from AWP to SEO-ready session mode
Word Processing constants
The following constants are used by the functions for managing the Word Processing control:...
WEBDEV administrator: General configuration
The "Configuration" tab is used to define the default connection options for the WEBDEV sites found on the server and managed by the administrator......
Structure of data files of user groupware