ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<emailOutlookSession variable>.CloseSession (Function)
Closes an Outlook session.
<DiskFile variable>.Close (Function)
Closes an external file.
<DiskFile variable>.WriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).
<DiskFile variable>.Write (Function)
Writes: a character string into an external file. a memory section....
<DiskFile variable>.Seek (Function)
Gets and sets current position in an external file.
<Image variable>.Straighten (Function)
Transforms an image by applying perspective correction.
<picLayer variable>.Straighten (Function)
Transforms an image by applying perspective correction.
UTF8Valid (Function)
Tests the validity of a string in UTF8 format.
<PDF reader>.Save (Function)
Saves the content of a PDF Reader to a file.
<emailSMTPSession variable>.CloseSession (Function)
Closes an SMTP session.
<emailIMAPSession variable>.CloseSession (Function)
Closes an IMAP session.
<emailNotesSession variable>.CloseSession (Function)
Closes a Notes session.
<DiskFile variable>.FileName (Function)
Returns the name of an external file currently open.
<List Box>.InfoXY (Function)
Returns the index of the row (or image) at a given position in a List Box or ListView control.
U.S.VerifyTaxNumber (Function)
Tests the validity of a US tax number.
<List Box>.MoveLine (Function)
Moves a row or swaps two rows in a List Box or Combo Box control.
<Buffer type>.DecryptAsymmetricEnvelopped (Function)
Performs the asymmetric encryption of an envelope that has been encrypted with EncrypteAsymmetricEnveloped.
<Buffer type>.DecryptAsymmetric (Function)
Decrypts a buffer with a private/public key algorithm with RSA encryption....
<Buffer type>.EncryptAsymmetricEnvelopped (Function)
Performs an asymmetric encryption of an envelope.
<DiskFile variable>.ChangeSize (Function)
Resizes an external file.
<Gantt chart>.DeleteTask (Function)
Removes a task from a Gantt Chart column in a Table or TreeView Table control.
<Gantt chart>.WorkingWeekDay (Function)
Indicates if a day of the week is a working day in a Gantt Chart column in a Table or TreeView Table control.
<Gantt chart>.ListLink (Function)
Lists the links in a Gantt Chart column in a Table or TreeView Table control.
<Gantt chart>.ListTask (Function)
Returns: the list of tasks between two given dates in a Gantt Chart column, all the tasks in a Gantt Chart column, a specific task (selected or hovered)....
<Gantt chart>.GetTask (Function)
Gets a task using its identifier in a Gantt Chart column in a Table or TreeView Table control.