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.
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...
fWatchDirectory (Function)
Detects changes made to the contents of a directory.
<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).
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).
<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, ...).
ComponentList (Function)
Returns the list of external components (".WDK" files) used by the current WINDEV or WINDEV Mobile application or by the current WEBDEV site.
MongoDeleteAll (Function)
Deletes all the documents (corresponding to the specified filter) from a collection of a MongoDB database.
<mongoCollection variable>.DeleteAll (Function)
Deletes all the documents (corresponding to the specified filter) from a collection of a MongoDB database.
Filters in table fields linked to a table
To filter the records displayed in a Table control linked to a table, WINDEV, WEBDEV and WINDEV Mobile offer several options......
<Source>.Found (Function)
Checks whether the current record corresponds to the current filter or search.
FilteredItem (Property)
The FilteredItem property is used to identify the item that has a filter implemented by HFilter.
WLanguage procedure called by KanbanFilter
WLanguage procedure ("callback") called by KanbanFilter to set an advanced filter.
<Source>.ActivateFilter (Function)
Enables the filter that was previously created for the specified table (view or query).
FileToArray (Function)
Fills an array of classes or structures with the content of an HFSQL table or query.
Automated tests: Emulation functions
List of automated tests: Emulation functions...
Automatic error handling
Error handling can be customized for each process......
TwainToPDF (Function)
Allows you to: save the document coming from the Twain device in a PDF file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in PDF format (in a buffer)....
Compilation options
The compilation options allow you to define the help system generation settings......
Image properties (help system)
At any time, you can change the characteristics of an image inserted into a help page in the image properties......
nWDEvaluate: Evaluating the value of an element
Evaluating the value of an element......
TwainToGIF (Function)
Allows you to: save the document coming from the Twain device in a GIF file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in GIF format (in a buffer)....
TwainToJPEG (Function)
Allows you to: save the document coming from the Twain device in a JPEG file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in JPEG format (in a buffer)....
TwainToTIFF (Function)
Allows you to: save the document coming from the Twain device in a TIFF file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in TIFF format (in a buffer)....