ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

MaxThumbnailHeight (Property)
The MaxThumbnailHeight property is used to get and change the maximum height of a thumbnail of an Image item (binary memo).
FullName (Property)
The FullName property is used to find out the full name: of a control. of a window. of a menu option. of a table column....
Thread management functions
List of functions for managing threads...
Left (Function)
Extracts the left part (i.e., the first characters) from a string or buffer.
ControlContextMenu (Function)
Identifies the control on which the context menu was opened.
MatDeterminant (Function)
Calculates the determinant of a square matrix (the number of rows is equal to the number of columns).
ComboClose (Function)
Closes the drop-down list in a Combo Box control (simple or multi-column Combo Box control).
MatRead (Function)
Reads the value of a matrix element.
SQLSeek (Function)
Positions on the specified result row of the query.
SQLClose (Function)
Declares the end of the query execution and frees the memory resources allocated during the execution of the query.
HRetrieveRecord (Function)
Returns the content of the current record (in a file, a view or a query, ...).
ContactReset (Function)
Reinitializes: the Contact structure. a Contact variable....
Filter (Function)
Returns an array containing the elements of a source array for which a procedure returns True.
dModifyHue (Function)
Changes the hue of an image: in an Image control, in an Image variable....
XMLModify (Function)
Modifies the content of the current element found in the XML document.
XMLParent (Function)
Positions on the parent element of current element (tag or attribute).
HErrorPassword (Function)
After the execution of a read or write function in a data file, used to find out whether an error caused by a wrong password occurred on this data file.
iVLine (Function)
Prints a vertical line at specified coordinates.
XMLFirst (Function)
Positions on the first element (tag or attribute) in the current tree level.
zipOpenRAR (Function)
Opens an existing archive in RAR format.
DashSaveConfiguration (Function)
Saves the configuration of a Dashboard control in string format.
MatInvert (Function)
Calculates the inverse of a square matrix.
XMLDelete (Function)
Deletes the current element (as well as the entire branch) from an XML document.
XMLNext (Function)
Positionq on the next element (tag or attribute).
fListDirectory (Function)
Lists the subdirectories of a given directory and returns the full paths of listed subdirectories.