ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Report based on a text file
In a report based on a text file, the information to print is read from a text file or is directly assigned in the report controls...
Translating a text file with WDTRAD
fBuildRelativePath (Function)
Returns the path to a file relative to a reference directory.
fWatchStopAll (Function)
Stops all current watch tasks of files and directories.
fSaveText (Function)
Creates and fills a text file with the content of a text control or text variable (string variable, edit control in a window, Static Text control in a report, ...).
HImportText (Function)
Imports a Text file into an HFSQL Classic or Client/Server data file. This data file must have been defined in the data model editor, or declared with HDeclare, HDeclareExternal or HDescribeFile).
fListResource (Function)
Lists the resources integrated to the application.
fWrite (Function)
Writes:
  • a character string to an external file.
  • a memory section.
fWatchFile (Function)
Starts watching a file.
<DiskFile variable>.Write (Function)
Writes:
  • a character string to an external file.
  • a memory section.
fAddBuffer (Function)
Adds the content of a buffer at the end of a file.
Handling the external files
WINDEV, WINDEV Mobile and WEBDEV propose several functions allowing you to manage the external files from your WINDEV/WINDEV Mobile applications or from your WEBDEV websites...
fWatchStop (Function)
Stops watching a file or directory.
fLoadText (Function)
Loads the contents of a text file into any text field or variable (string variable, window edit control, report label field, etc.).
fWatchDirectory (Function)
Detects changes made to the contents of a directory.
fLoadBuffer (Function)
Loads the content of an external file (text, image, ...) in a buffer variable.
fChangeExtension (Function)
Changes the extension of a file on disk.
fIsImage (Function)
Determines whether a file on disk or in a buffer corresponds to an image format recognized by WINDEV or WEBDEV.
How to read in a text or CSV file?
This help page explains how to read the content of a text or CSV file.
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
fAddText (Function)
Adds the content of a character string at the end of a file.
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file.
<Source>.ImportText (Function)
Imports a Text file into an HFSQL Classic or Client/Server data file. This data file must have been defined in the data model editor, or declared with HDeclare, HDeclareExternal or HDescribeFile).
fSaveBuffer (Function)
Creates and fills a text file with the content of a string or buffer variable.
fFind (Function)
Finds a character string or a buffer in a file opened by fOpen.
Print modes of a report
Several print modes are available for a report.
fExtractResource (Function)
Extracts a resource from the application into a physical device location.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
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...
Animating the windows of a WINDEV application
To give your applications an outstanding style and to impress the users when starting your applications, the windows can be animated when they are opened and/or closed......
Importing styles from a WordPress theme with WEBDEV
WordPress offers numerous templates to create original websites...
Modal windows
The window that opens another window is called parent window; the window opened by the parent window is called child window......
4. Dedicated server or shared server?
WEBDEV styles
The WEBDEV styles are advanced styles, easier to use than the CSS styles......
TableToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
The Cube control
The Cube control is a mobile layout control that automatically performs rotations around the different axes......
httpRequest (Type of variable)
The httpRequest type is used to retrieve the advanced characteristics of an HTTP/HTTPS request....
Writing an email
Writing an email in WLanguage consists in filling the email structure of WLanguage......
Quick search in the current code
When coding, developers often need to do a quick search in the current code...
Middle (Function)
Extracts: a substring from a string starting at a specified position. part of a buffer starting at a specified position....
Animation of controls
WINDEV and WINDEV Mobile allow you to animate the controls found in a window......
Query with parameters
The queries with parameters allow the user to easily select records according to his own requirements......
Reverse code modeling
The reverse code modeling allows you to view in a graph......
AppParameter (Function)
Returns information about the mechanism for automatic application update.
TimePicker (Function)
Opens the system time picker.
NoRightCharacter (Function)
Returns a string after removing the specified characters from the right side of the initial string.
Page-by-page deployment
You now have the ability to deploy site sections or individual pages......
Creating a WINDEV application for Linux
WINDEV allows you to create native 64-bit Linux executables. Their UI is developed with the window editor....
Handling a TreeView Table control programmatically
This page explains how to program TreeView Table controls......
Spreadsheet constants
The following constants are used by the functions for managing Spreadsheet controls:...
ReturnToCapture (Function)
Stops the current process and forces the input in the specified control, window or page.
Remote WEBDEV administrator: Managing the error messages
By default, when an error occurs in a dynamic WEBDEV site, an error message is displayed on the browser of the Web user....
AppChangeParameter (Function)
Changes an information in the mechanism for automatic application update.
8. Smart controls
Ouvre une fenêtre de type popup en précisant sa position d'ouverture et attend sa fermeture....