ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

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...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Example for creating a select query
This help page explains how to create two select queries...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a 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...
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Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
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, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a query
Two methods can be used to create a query...
Creating a select query
A select query (corresponding SQL statement...
Test of a query
The query editor allows you to run the test of query result...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
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...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Items used in a select query
A query created in the query editor can contain several types of items...
Creating an insert query
An insert query (corresponding SQL statement...
Importing classes and sets of procedures (text file)
From version 23, you have the ability to import existing classes or sets of procedures in text format......
ContactAdd (Function)
Adds a contact: in a Lotus Notes or Outlook address book. into the list of contacts on the device (Android, iPhone or iPad, Universal Windows)....
HTransaction (Function)
Starts a transaction on the tables (HFSQL or accessed via a Native Connector) and creates the transaction table.
zipExtractFileList (Function)
Extracts and decompresses a list of files found in an archive to a physical location.
HRead (Function)
Reads a record in a file according to a given record number.
AnsiToUnicode (Function)
Converts: an ANSI string (Windows) to a UNICODE string. a buffer containing an ANSI string (Windows) to a buffer containing a UNICODE string....
Events associated with control templates
List of events associated with control templates...
Definition (Type of variable)
The Definition type is used to find out the characteristics of a type: simple type, advanced type, class, structure....
8. 10 tips for better interfaces...
HBackward (Function)
Moves backward several records from the current position in the data file, according to a specified item.
The Button control
The Button control allows the user or the Web user to run a specific action with a simple click......
Creating a skin template from an existing skin template
You can create a skin template from an existing skin template (provided by PC SOFT, for example)......
Android application: Using and sharing SQLite data
For the Android applications, the available databases are HFSQL (Classic and Client/Server) and SQLite....
Constants for WLanguage types
List of constants for managing WLanguage types....
Array (Type of variable)
An array is a structured type that is used to group a set of elements of the same type...
The Upload control
The Upload control is used to upload files on the Web server......
Action Bar of a window
Action Bars replace the title bar of a window and display different types of information......
Native xBase/FoxPro Connector
WINDEV and WEBDEV propose a Native xBase/FoxPro Connector (or Native xBase/FoxPro Access) module......