ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
XMLResult (Function)
Returns the result of a calculation XPath query.
Cos (Function)
Calculates the cosine of an angle.
MatDeterminant (Function)
Calculates the determinant of a square matrix (the number of rows is equal to the number of columns).
KeyGetIdentifier (Function)
Retrieves the identifier that was used to generate an initial key.
TableFormulaAdd (Function)
Adds a calculated row to a Table control by providing custom calculation procedures.
Type aliases
A "type alias" is a redefinition of an existing type.
<Word Processing>.Seek (Function)
Finds a character string in an entire Word Processing control.
<Document variable>.Seek (Function)
Finds a character string in an entire Document variable.
HAdd (Example)
Usage example of the HAdd function
KeyGenerateInitialKey (Function)
Generates the initial key (unique license number) for the activation system of the application.
DocFind (Function)
Finds a character string:
  • in an entire Word Processing document.
  • in a fragment.
StatVariance (Function)
Calculates the variance for a series of values.
<Duration type>.ToString (Function)
Converts a duration to a character string in the specified format.
DurationToString (Function)
Converts a duration to a character string in the specified format.
StatCovariance (Function)
Calculates the covariance between two series of values.
StatAverageDeviation (Function)
Calculates the average deviation of values in relation to their arithmetic mean.
KeyCalcActivationKey (Function)
Calculates the activation key of application from the initial key.
StatVarianceP (Function)
Calculates the variance for a full series of values.
StatStandardDeviation (Function)
Calculates the standard deviation for a series of values.
XMLExecuteXPath (Function)
Executes an XPATH query:
  • in an XML document.
  • in an xmlDocument variable.
StatStandardDeviationP (Function)
Calculates the standard deviation for a full series of values.
WorksheetName (Property)
The WorksheetName property is used to get or change the name of the current worksheet in a Spreadsheet control.
StatCorrelation (Function)
Calculates the coefficient of correlation between two series of values.
KeyCompareKey (Function)
Compares an initial key with an activation key.
LooperBreakIndex (Function)
Returns the index of the break header and footer for a given break in a Looper control.
CurrentWorksheet (Property)
The CurrentWorksheet property gets and sets the current worksheet in a Spreadsheet control.
<Spreadsheet>.InsertWorksheet (Function)
Inserts a worksheet into a Spreadsheet control found in a window.
<Spreadsheet>.AddWorksheet (Function)
Adds a worksheet into a Spreadsheet control found in a window.
SpreadsheetAddWorksheet (Function)
Adds a worksheet into a Spreadsheet control found in a window.
SpreadsheetInsertWorksheet (Function)
Inserts a worksheet into a Spreadsheet control found in a window.
<Word Processing>.Insert (Function)
Inserts an object in a Word Processing control. The objects that can be used are:
  • an element,
  • a document,
  • a paragraph,
  • a text,
  • an image,
  • a fragment.
docElementImage (Variable type)
The docElementImage type is used to handle the characteristics of an Image element found in a docElement variable.
<Looper>.BreakIndex (Function)
Returns the index of the break header and footer for a given break in a Looper control.
<Document variable>.Insert (Function)
Inserts an object in a Document variable. The objects that can be used are:
  • an element,
  • a document,
  • a paragraph,
  • a text,
  • an image,
  • a fragment.
Extension procedure
By using extension procedures, you can add your own WLanguage procedures to different types of variables (string, date, color etc.)...
TableFormulaDeleteAll (Function)
Deletes all formulas added with TableFormulaAdd.
Multitask (Function)
MultiTask is used to:
  • define a timeout,
  • give control back to Windows,
  • give control back to Windows and to WLanguage.
API description (Variable type)
An API Description variable is used to describe an API, its parameters, its return value and its calling options programmatically.
DocInsert (Function)
Inserts an object into a Word Processing document or replaces the content of the current fragment. The objects that can be used are:
  • an element,
  • a document,
  • a paragraph,
  • a text,
  • an image,
  • a fragment.
Managing parallel tasks
The computers are becoming more and more powerful...
iXPos (Function)
Used to manage the horizontal position (X-coordinate) of print cursor in the page.
iYPos (Function)
Used to manage the vertical position (Y-coordinate) of print cursor in the page.
DnDCacheData (Function)
Indicates the type of data and the data to copy/move during Drag/Drop.
SpreadsheetMoveWorksheet (Function)
Moves a worksheet within a Spreadsheet control in a window.
WinForceDDW (Function)
Forces the DDW (Dim Disabled Windows) feature on a window even if this window is not accessible.
iAddAttachment (Function)
Adds an attachment in a PDF file generated by a PDF print export.
<Spreadsheet>.MoveWorksheet (Function)
Moves a worksheet within a Spreadsheet control in a window.
2026 new features brochure: WINDEV new features
What's new in WINDEV 2026 in the What's new 2026 brochure.
HashCheckFile (Function)
Checks the Hash of a file for a specific type of algorithm.
HashFile (Function)
Calculates the Hash of a file according to a specific algorithm.
WINDEV 2026: New WLanguage features
Version 2026 includes new and improved functions, properties and data types, ...
Stored procedures and queries (HFSQL Client/Server)
The stored procedures are used to simplify the development and the maintenance of your applications by factorizing the code...
2026 novelties brochure: WEBDEV novelties
WEBDEV 2026 new features in the 2026 New Features brochure.
WINDEV Mobile 2026: New WLanguage features
Version 2026 includes new and improved functions, properties and data types, ...
WINDEV Mobile new features brochure 2026
What's new in WINDEV Mobile 2026 is presented in the What's new 2026 brochure.
New products brochure 27: Common new products
New features in WINDEV/WEBDEV/WINDEV Mobile 27 presented in the New Features brochure.
2025 novelties brochure: Common novelties
What's new in WINDEV/WEBDEV/WINDEV Mobile 2025 in the What's new 2025 brochure.
2025 novelties brochure: Common novelties
What's new in WINDEV/WEBDEV/WINDEV Mobile 2025 in the What's new 2025 brochure.
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