ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Deploying an application for iPhone/iPad
To be able to test and/or deploy the application on a device (iPhone or iPad), you must enroll in the iOS Developer Program....
Writing to the Free Technical Support
When you encounter a problem, try to isolate it and to reproduce it by using the minimum number of elements......
Commands of the external interface
HCancelDeclaration (Function)
Used to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
Executable: Project backup
At the end of the executable creation wizard, WINDEV proposes to automatically make a backup of the sources of your project......
<Source>.CancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
HFSQL Control Center: Open an analysis
The HFSQL Control Center allows you to fully manage an analysis......
Images, colors and tabs
To optimize the appearance of your screens, WINDEV, WEBDEV and WINDEV Mobile allows you to use images or colors in your tab controls......
Query based on query
Queries can be based on items from another query......
Context menu of TimeLine controls
By default, TimeLine controls contain a context menu....
ERR_NO_DLLEXE
Handling Sidebar controls programmatically
WINDEV and WINDEV Mobile allow you to handle Sidebar controls programmatically......
7. HFSQL: Physical files
Opens a system window to select a resource from: from the device file system, from the Cloud (Google Drive, Microsoft OneDrive, etc.) or from one of the content managers installed on the device....
<Source>.CreationIfNotFound (Function)
Performs the following operations: If the file does not exist, creates an empty data file (".FIC" file) with the index file and the memo file if necessary. The function is equivalent to HCreation. If the file exists, opens the file....
HCreationIfNotFound (Function)
Performs the following operations: If the file does not exist, creates an empty data file (".FIC" file) with the index file and the memo file if necessary. The function is equivalent to HCreation. If the file exists, opens the file....
WDSQL: Exporting and printing the result of an SQL query
The result of a select query can be......
Description of a Pivot Table control
The description window of a Pivot Table control is used to configure several elements of the control......
Accessing Lotus Notes
WINDEV and WINDEV allow you to easily access the data handled by Lotus Notes (Domino database)......
ERR_DISCONNECTED_TIMEOUT
Handling report blocks
The different operations available on report blocks are as follows......