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...
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...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
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) ...
Creating a select query
A select query (corresponding SQL statement...
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...
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...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
SemaphoreCreate (Function)
Creates a semaphore.
fRead (Function)
Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content of an external file (ANSI or Unicode) and assigns it to a memory area....
fDate (Function)
Returns or modifies the different dates associated with a file or directory (date created, modified or accessed).
HSetReplication (Function)
Temporarily disables (or re-enables) the replication.
EmailReadLastHeader (Function)
Reads the header of last incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
EmailReadFirstHeader (Function)
Reads the header of the first incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
EmailReadPreviousHeader (Function)
Reads the header of the email found before the current email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
StringCompare (Function)
Compares two strings character by character: according to the sequence of ASCII characters. according to the alphabetical order....
The Multimedia control (WEBDEV)
...The Multimedia control is used to easily display a video in the browser....
WINDEV and OPC
OPC stands for "OLE for Process Control"......
The SilverLight control
The SilverLight control is used to display a SilverLight 2 animation in a WEBDEV page......
ProgressBarColor (Property)
The ProgressBarColor property is used to get and change the progress color in the following controls and elements: Progress Bar control, Progress Bar column, Progress Bar cell, infinite Progress Bar control....
Properties of a help page
The characteristics of a help page are used to define......
Page with parameters
fGraphicFilter (Function)
Returns the list of image formats supported by the current platform, in the format expected by the filter of fSelect.
grDraw (Function)
Draws a chart according to the specified parameters.
InfoBuild (Function)
Displays a custom message in a system information window.
LanguageDescribed (Property)
The LanguageDescribed property is used to set the language used to compare and sort Unicode items (Unicode Text item or Unicode Text Memo item).
Image (Type of variable)
The Image type is used to define the advanced characteristics of an image.
1. Application overview
WINDEV Mobile tutorial: Developing an Android and iOS application Lesson 1 - Application overview - 10 min
1. Project audits
WEBDEV Tutorial - Optimizing a WEBDEV project Lesson 1 - Project audits - 15 min
Handling ListView controls programmatically
WINDEV allows you to programmatically handle ListView controls......
Sitemap file for Google
To better analyze the content of the sites, the search engine of Google is using an XML file named "Sitemap" (if it is available)......
AppDetectUPDAvailable (Function)
Disables or customizes the automatic check for available updates.