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...
The Sliding Banner control
The Sliding Banner control is used to display several contents successively, either automatically, or further to an action performed by the Web user......
XMLFind (Function)
Performs a search in an XML document.
Handling report blocks
The different operations available on report blocks are as follows......
The Switch control
Switch controls (also called "Toggle controls") are now commonly used in interfaces......
The Internal Page control
The "Internal Page" control is used to include a page (and its code) in a control of another page......
VariableReset (Function)
Resets the variable to its initial value.
HForward (Example)
Usage example of the HForward function
zipFindFile (Example)
Usage example of the zipFindFile function
HSetPosition (Example)
Usage example of the HSetPosition function
iMargin (Function)
Defines the "logical" print margins.
ExeRun (Function)
Executes a program (an executable file, for example) from the current application.
CollapsedImage (Property)
The CollapsedImage property is used to: find out and/or modify the default image associated with a collapsed row in a TreeView Table control. find out and/or modify the default image associated with a collapsed row in a TreeView control. find out and/or modify the image associated with a specific collapsed row in a TreeView Table control. find out and modify the image in a collapsed row of a TreeView item in a "TreeView table" type report....
MDIWindowMenu (Function)
Modifies the layout of the MDI child windows.
AnimationSetParameter (Function)
Changes one of the animation parameters used for: an animated image (in an Image control), an animated text (in a Static control)....
zipInfoFile (Example)
Usage example of the zipInfoFile function
HDescribeItem (Example)
Usage example of the HDescribeItem function
Camera control in a mobile application
The Camera control is used to......
HReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
WINDEV, WEBDEV and WINDEV Mobile tools
The following tools are provided with WINDEV, WEBDEV and WINDEV Mobile...
fSelect (Example)
Usage example of the fSelect function
The HTML Display control
The HTML Display control displays a web page in an application......
fSeek (Example)
Usage example of the fSeek function
InitialVisible (Property)
The InitialVisible property is used to determine if: a control was visible during the first display of the associated window or page. a window was visible during its first display....
ExpandedImage (Property)
The ExpandedImage property is used to: find out and modify the default image associated with an expanded row in a TreeView Table control. find out and/or modify the default image associated with an expanded row in a TreeView control. find out and modify the image associated with a specific expanded row in a TreeView Table control. find out and modify the image associated with an expanded row in a treeview item of a "TreeView table" report....
EnumSubElement (Function)
Used to enumerate the sub-elements of a project element.