ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

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
User Groupware functions
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 sites...
Print modes of a report
Several print modes are available for a report.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
<DiskFile variable>.Write (Function)
Writes:
  • a character string to an external file.
  • a memory section.
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file.
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, ...).
fBuildRelativePath (Function)
Returns the path to a file relative to a reference directory.
fChangeExtension (Function)
Changes the extension of a file on disk.
fWatchStopAll (Function)
Stops all current watch tasks of files and directories.
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...
fWatchFile (Function)
Starts watching a file.
fExtractResource (Function)
Extracts a resource from the application into a physical device location.
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
fWatchStop (Function)
Stops watching a file or directory.
How to read in a text or CSV file?
This help page explains how to read the content of a text or CSV file.
Time management
For each element (windows, reports, ......
Size (Example)
Usage example of the Size property
Time (Property)
The Time property enables you to: Retrieve the time from a DateTime variable. Modify the time in a DateTime variable. Retrieve the time from in a Date item (in "Date and Time" format) Modify the time in a Date item ("Date and Time" format)....
Line (Property)
The Line property is used to define the line style used.
dFill (Function)
Colors an area: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
The Line control
A Line control is used to display a line in a page......
The "Line" charts
In the line charts, the data is interpreted as successive y coordinates of points......
fTime (Example)
Usage example of the fTime function
Debugging in Android
All developers appreciate the possibility to debug an application directly on the device......
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.
Reserved WEBDEV Application Server - License Agreement
Reserved WEBDEV Application Server - License Agreement...
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)....
<Looper>.InfoXY (Function)
Used to find out the row or control located at specific position in the Looper control (X, Y).
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.
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators......
<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....