ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Translating a text file with WDTRAD
User Groupware functions
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...
fWatchStop (Function)
Stops watching a file or directory.
fBuildRelativePath (Function)
Returns the path to a file relative to a reference directory.
fIsImage (Function)
Determines whether a file on disk or in a buffer corresponds to an image format recognized by WINDEV or WEBDEV.
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...
fFind (Function)
Finds a character string or a buffer in a file opened by fOpen.
fWrite (Function)
Writes:
  • a character string to an external file.
  • a memory section.
fSaveBuffer (Function)
Creates and fills a text file with the content of a string or buffer variable.
fListResource (Function)
Lists the resources integrated to the application.
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
fAddBuffer (Function)
Adds the content of a buffer at the end of a file.
Print modes of a report
Several print modes are available for a report.
fLoadBuffer (Function)
Loads the content of an external file (text, image, ...) in a buffer variable.
fWatchFile (Function)
Starts watching a file.
fExtractResource (Function)
Extracts a resource from the application into a physical device location.
fAddText (Function)
Adds the content of a character string at the end of a file.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
How to read in a text or CSV file?
This help page explains how to read the content of a text or CSV file.
fChangeExtension (Function)
Changes the extension of a file on disk.
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file.
HImportText (Function)
Imports a Text file into an HFSQL Classic or Client/Server table. This table must have been defined in the data model editor, or declared with HDeclare, HDeclareExternal or HDescribeFile).
fWatchDirectory (Function)
Detects changes made to the contents of a directory.
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...
<Source>.ImportText (Function)
Imports a Text file into an HFSQL Classic or Client/Server table. This table must have been defined in the data model editor, or declared with HDeclare, HDeclareExternal or HDescribeFile).
<DiskFile variable>.Write (Function)
Writes:
  • a character string to an external file.
  • a memory section.
fWatchStopAll (Function)
Stops all current watch tasks of files and directories.
fLoadText (Function)
Loads the contents of a text file into any text field or variable (string variable, window edit control, report label field, etc.).
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, ...).
<Source>.ToPage (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
Help: Summary table
In a WINDEV application, users have multiple help features at their disposal: Tooltip. Status bar. Help window. Advanced tooltip. Help page. HLP file....
The Java Applet control
A Java Applet control allows you to easily include Java Applets in your WEBDEV sites......
Looper control based on a data file
This type of Looper control uses data from a data file or query......
SQLNext (Function)
Positions on the next row of the query result.
WDOptimizer: Canceling/Freeing records in transaction
WDOptimizer is used to......
Handling Image controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to handle an Image control through programming......
ImageNext (Function)
Displays the next image for the scroll.
<Image>.Next (Function)
Displays the next image for the scroll.
dText (Example)
Usage example of the dText function
InApplicationTestMode (Function)
Determines if there is an application test in progress.
Native Sybase Connector: Programming with HFSQL functions
To use a Sybase database with Native Connector, the structure of Sybase tables must be imported into the WINDEV or WEBDEV analysis......
Automatic index generation
The automatic index generation suggests index keywords based on the content of your help page......
Native Informix Connector: Programming with HFSQL functions
To use an Informix database with the Native Connector, import the structure of Informix tables into the WINDEV or WEBDEV analysis......
Types of recognized PCL printers
WINDEV and WEBDEV allow you to automatically print for a number of specific PCL printers......
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
The Text field: Edit control and display masks
WINDEV, WEBDEV and WINDEV Mobile propose two types of masks......
TwainToBMP (Function)
Allows you to perform one of the following actions: save the document coming from the Twain device in a Bitmap file (".BMP" extension). view the document coming from the Twain device in the user interface of the device. save the document coming from the Twain device directly in memory in Bitmap format (in a buffer)....