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
fListResource (Function)
Lists the resources integrated to the application.
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).
<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).
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...
fBuildRelativePath (Function)
Returns the path to a file relative to a reference directory.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
fAddBuffer (Function)
Adds the content of a buffer at the end of a file.
fFind (Function)
Finds a character string or a buffer in a file opened by fOpen.
<DiskFile variable>.Write (Function)
Writes:
  • a character string to an external file.
  • a memory section.
fLoadText (Function)
Loads the contents of a text file into any text field or variable (string variable, window edit control, report label field, etc.).
How to read in a text or CSV file?
This help page explains how to read the content of a text or CSV file.
Print modes of a report
Several print modes are available for a report.
fAddText (Function)
Adds the content of a character string at the end of a file.
fWatchDirectory (Function)
Detects changes made to the contents of a directory.
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, ...).
fWrite (Function)
Writes:
  • a character string to an external file.
  • a memory section.
fExtractResource (Function)
Extracts a resource from the application into a physical device location.
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file.
fIsImage (Function)
Determines whether a file on disk or in a buffer corresponds to an image format recognized by WINDEV or WEBDEV.
fLoadBuffer (Function)
Loads the content of an external file (text, image, ...) in a buffer variable.
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
fWatchFile (Function)
Starts watching a file.
fSaveBuffer (Function)
Creates and fills a text file with the content of a string or buffer variable.
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...
26. Style sheets: to simplify the layout
dClear (Function)
Clears the content of an Image variable or Image control and fills it with the specified color.
HandleParentNext (Function)
Forces the parent of the next window to open.
Screen,Next (External language)
Returns the name of the next editable control.
SysIconDelete (Function)
Deletes an icon from the taskbar (next to the clock).
Dynamic Automation object
A dynamic automation object is an automation object allocated upon request, during the program execution...
XMLNext (Function)
Positions on the next element (tag or attribute).
Types of recognized PCL printers
WINDEV and WEBDEV allow you to automatically print for a number of specific PCL printers......
Merging differences (SCM)
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
Dynamic site: Persistent session
For a dynamic WEBDEV site, when starting the site (site called from a browser), a session representing the site is loaded in memory on the server......
Handling Organization Chart controls programmatically
NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of HFSQL data files and for all the other types of accesses (Native, OLE DB, ......
Storing files in Android
The file system on the devices running Android is divided into two main storage areas......
Constants for external files
List of constants used by the functions for managing external files....
PageFromSource (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)....
Selecting the files to install and the installer framework
The setup wizard allows you to: Select and configure the files to install. This step is very important. Specify the WINDEV framework used by the installer....
TableDisableFilter (Function)
Disables a user filter on a column or on all the columns found in a Table or TreeView Table control.
FileToScreen (Function)
Automatically updates the controls in a window or page with: the values of the bound items in the current record (loaded in memory) of the 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)....
GglFillCalendarByRequest (Function)
Fills a calendar that was retrieved beforehand: the events corresponding to the calendar are retrieved from a custom request.
<gglConnection variable>.FillCalendarByRequest (Function)
Fills a calendar that was retrieved beforehand: the events corresponding to the calendar are retrieved from a custom request.
<Table>.DisableFilter (Function)
Disables a user filter on a column or on all the columns found in a Table or TreeView Table control.
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
Filter (Function)
Returns an array containing the elements of a source array for which a procedure returns True.
ProcedureTrace (Property)
The ProcedureTrace property allows you to specify the name of the WLanguage procedure used to get the headers and data sent.