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...
Debugging in Android
All developers appreciate the possibility to debug an application directly on the device......
Reserved WEBDEV Application Server - License Agreement
Reserved WEBDEV Application Server - License Agreement...
DisplayCurrency (Property)
The DisplayCurrency property is used to get and change the currency used when entering or displaying values in a "Currency + Euro" control.
xlsRecalculateAll (Function)
Recalculates all formulas in an Excel (XLSX) document.
ChangeCharset (Function)
Retrieves and/or changes the character set used: by all the screen fonts. by all the operations performed on the character strings (functions and/or operators)....
InitialTool (Property)
The InitialTool property is used to get or change the drawing tool selected by default in an Image Editor control.
Visibility of the elements found in an external component
When creating an external component, you have he ability to define the elements of the external component that will be accessible (or not) by the user of the component......
Flexbox example: ratios to distribute available space among controls
In a flexbox container, you can define ratios for the different controls so that they take up a given amount of space......
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators......
PageRateDDW (Function)
Allows you to find out and modify the rate of gray for the pages that use DDW (Dim disabled pages).
nfcTag (Type of variable)
The nfcTag type is used to define the advanced characteristics of an NFC tag (Near Field Communication).
EmailExpunge (Function)
Destroys all the deleted emails marked as deleted ("Deleted" status) from the current folder of IMAP session.
SysRemovableExternalStorage (Function)
Used to find out whether the external storage space corresponds to the movable memory (SD Card).
RandomCryptoBuffer (Function)
Returns a buffer to the specified size filled with random data, that can be used with the cryptographic technologies.
<Looper>.InfoXY (Function)
Used to find out the row or control located at specific position in the Looper control (X, Y).
<Image>.HorizontalSymmetry (Function)
Flips an image in an Image control with respect to a horizontal axis (symmetry with respect to a horizontal axis).
<Page>.Exist (Function)
Allows you to find out whether a page context exists on the server (which means whether the page was opened).
<emailIMAPSession variable>.Expunge (Function)
Destroys all the deleted emails marked as deleted ("Deleted" status) from the current folder of IMAP session.
BottomMargin (Property)
The BottomMargin property is used to: Find out the bottom margin of a report. Modify the bottom margin of a report....
RightMargin (Property)
The RightMargin property is used to: Find out the right margin of a report. Modify the right margin of a report....
TopMargin (Property)
The TopMargin property is used to: Find out the top margin of a report. Modify the top margin of a report....
Underline (Property)
The Underline property is used to: Find out whether a Font variable is underlined. Underline (or not) a Font variable....
Visible (Property)
The Visible property is used to: Find out whether an element is visible. Make an element visible or invisible....
VerticalOrientation (Property)
The VerticalOrientation property is used to: Find out the orientation of a ListView control. Modify the orientation of a ListView control....
ContextExist (Function)
Allows you to find out whether a page context exists on the server (which means whether the page was opened).