ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

MatNbColumn (Function)
Returns the number of columns found in a matrix.
ThreadSendSignal (Function)
The current thread sends a signal to the specified thread in order to unlock it.
MatWrite (Function)
Writes an element into a matrix.
MatError (Function)
Identifies the type of the last error caused by a Matxxx function (functions for matrix management).
MatExist (Function)
Checks the whether the matrix exists in memory.
ComboOpen (Function)
Expands the list of a Combo Box control (single-column or multi-column Combo Box).
ThreadMode (Function)
Changes the management mode of threads.
MatInvert (Function)
Calculates the inverse of a square matrix.
MatInvert (Example)
Usage example of the MatInvert function
MatRead (Function)
Reads the value of a matrix element.
MatReadColumn (Function)
Reads the value of all the elements found in a matrix column.
MatReadLine (Function)
Reads the value of all elements found in a matrix row.
ThreadWaitSignal (Function)
Locks the current thread until it receives a signal from another thread.
MatNbLine (Function)
Returns the number of rows found in a matrix.
LoadProcedure (Function)
LoadProcedure is kept for backward compatibility.
TreeSelectPlus (Function)
Selects an element in a TreeView control.
LoadWDL (Function)
Loads a library of WINDEV objects in memory (.WDL).
TreeSelect (Function)
Returns the full path of the selected element in a TreeView control.
TreeIdentifier (Function)
Returns the identifier associated with an element (node or leaf) in a TreeView control.
MatFloatMultiply (Function)
Multiplies each matrix element by a value.
sComputeCrc32 (Function)
Calculates the Cyclical Redundancy Check (CRC) of buffer.
Constants for sound management
List of constants used by the functions for sound management....
TreeCount (Function)
Returns the number of elements found in a branch of a TreeView control.
StatCorrelation (Function)
Calculates the coefficient of correlation between two series of values.
TreeModify (Function)
Modifies an element (node or leaf) in a TreeView control.