ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
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...
Select query description window
The description window of a select query includes several sections...
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...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Joins between the tables of a select query
When several tables are used in a query, the query editor automatically searches for the links between these tables described in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating an insert query
An insert query (corresponding SQL statement...
Items used in a select query
A query created in the query editor can contain several types of items...
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.
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a select query
A select query (corresponding SQL statement...
BurnerMediaType (Function)
Used to find out and modify the format of the CD or DVD to burn.
fLoadBuffer (Function)
Loads the content of an external file (text, image, ...) in a buffer variable.
How to open a page?
First project window
Link Description (Type of variable)
A Link Description variable is used to describe a link between two data files through programming.
eDefaultViewCurrency (Function)
Identifies or modifies the display currency used by default.
Automated tests of procedures and classes
The automated tests of procedure or class are used to test the different features proposed by the procedure or by the class......
Sub-modeling
In a flexible modeling, the "Application", "Process" and "Choice" elements can be used to enter in a "sub-modeling"......
Real Time Performance Profiler (RTPP)
The Real Time Performance Profiler (RTPP) is a tool that helps you identify what is slowing down your application......
Welcome to WINDEV, WEBDEV and WINDEV Mobile
The home page allows you to easily perform the operations for creating and opening projects......
dPolygon (Function)
Draws a polygon: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
dPixelColor (Function)
Identifies the color of a pixel: in an Image control. in an Image variable. in a picLayer variable. in a WDPic variable]....
HListProvider (Function)
Returns the list of OLE DB providers and/or Native Connectors installed on the current computer....
11. Table/Looper controls
Table/Looper controls can be used to display a set of information......
SysEnvironment (Function)
Returns the environment variables of the operating system for the current computer.
iPreview (Function)
Configures the print destination.
Different page layout methods
Tutorial - Anchors, zoning and layouts Different page layout methods - 30 min
10. Page templates
TableEnumColumn (Function)
Returns the name of a column found in a Table or Treeview Table control.
Provider (Property)
The Provider property is used to manage the type of a connection (HFSQL Client/Server, OLE DB, etc.)....
Report with parameters
When printing a report, you have the ability to pass parameters to this report......
BTIsVisible (Function)
Used to find out whether a Bluetooth radio is visible.
OrganizerChangeMode (Function)
Modifies the time range displayed by an Organizer control (Day/Week/Month)....
SchedulerAddAppointment (Function)
Adds a new appointment into a Scheduler control.
fRemoveDir (Function)
Deletes a directory from a disk.