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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

How to populate a TreeView control using a data file?
By default, the TreeView control cannot automatically display the data coming from a data file......
HTTPAddFile (Function)
Adds a file to the HTTP form.
DateValid (Function)
Checks the validity of a date between January 01 0001 and December 31 9999.
Organizing the directories of a project
When creating a project, a directory specific to this project is automatically created......
15. Creating the executable in practice
Creating the executable in practice...
SaveParameter (Function)
Saves a persistent value in the registry or in another file specified by InitParameter.
Recompiling the project
The project compilation is a process used to......
DateTimeDifference (Function)
Calculates the difference between two dates and times.
iHLine (Function)
Prints a horizontal line at specified coordinates.
tapiDial (Function)
Dials a phone number for a voice line.
DateToDateInYear (Function)
Returns the number of the day in the year corresponding to a given date.
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc....
<Type Date>ToDayInYear (Function)
Returns the number of the day in the year corresponding to a given date.
PeriodSelection (Property)
The PeriodSelection property is used to determine and specify if the user can select a time period in an Scheduler or Organizer control.
Opening, closing and saving a query
The query editor allows you to easily handle the queries....
Nation (Function)
Defines or identifies the display language (captions, messages, ...) used for the windows, pages, reports and controls.
Thumbnail (Property)
The Thumbnail property is used to: get the value of an item thumbnail. This item was defined in the data model editor or through programming. get and change the image associated with a Thumbnail control....
fTrackFile (Function)
Triggers the tracking of a file.
<WDPic variable>.DrawPolyline (Function)
Draws a line composed of multiple segments.
<picLayer variable>.DrawPolyline (Function)
Draws a line composed of multiple segments.
<Source>.Add (Function)
Add: the record found in memory into the data file (query or view). the record found in a Record variable into the data file (query or view)....
<DiskFile variable>.Read (Function)
Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content of an external file (ANSI or Unicode) and assigns it to a memory area....
The "Column" charts
The data is interpreted as "columns" whose height is proportional to the value of data......
fUnlock (Function)
Entirely or partially unlocks an external file.
Functions for handling directories and external files (prefix syntax)
External file functions (prefix syntax)...