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...
Filtering the headers and the content of a Pivot Table
By default, the entire data found in the data files is taken into account when calculating the content of a Pivot Table control......
OLEPaste (Function)
Pastes the content of Windows clipboard into an OLE control.
HDBDescribeFile (Function)
Describes a file in dBase3 format (most common format) through programming.
iEndReport (Function)
Forces the report print to stop.
iPageEnd (Function)
Forces the move to the next page during the report print.
dbgStartMemoryDiff (Function)
Starts a difference operation of the memory used by the application.
WinOutWidth (Function)
Returns the full width of a window (including the border).
HOut (Example)
Usage example of the HOut function
zipSplit (Example)
Usage example of the zipSplit function
SysIconAdd (Example)
Usage example of the SysIconAdd function
EmailSendMessage (Example)
Usage example of the EmailSendMessage function
Constants for managing tiles
HelpFile (Function)
Returns or modifies the name of the help file used by the context-sensitive help of a window.
The Signature control
The Signature control is a report control used to sign......
Merging differences (SCM)
WDAPI: Using the APIs in a WINDEV application
The two most interesting features of WDAPI are......
The "Window position preview" pane
The "Window position preview" pane is used to view and/or modify the opening position of the windows currently modified (according to the screen resolution used)......
How to access the help?
WINDEV, WEBDEV and WINDEV Mobile include several methods for accessing the help system at any time......
ImageMode (Property)
The ImageMode property is used to get and change the display mode of an image in an Image control, in the column of a table of type Image or in the background of a Chart control in a window.
Link control associated with an item containing an email address
In a database, the email address of customers, suppliers, ......
Clipping the window according to an image
An image can be used to easily define the shape of a window......
WDConver : Overview
WDConver is a tool used to convert data to an HFSQL Classic data file from......
Keyboard shortcut and hotkey
A control in a window or page can be associated with an alphanumeric character, a key or combination of keys ("keyboard shortcut"), etc....
Handling an automatic test
When an automated test is created, this test is in "construction" by default......
Column of type Attribute
WINDEV and WEBDEV allow you to use columns of type "Attribute" in Table controls......