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  • Existence of a matrix in memory
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Stored procedures
Checks the existence of a matrix in memory.
Versions 25 and later
WEBDEV - Browser code This function is now available in browser code.
New in version 25
WEBDEV - Browser code This function is now available in browser code.
WEBDEV - Browser code This function is now available in browser code.
// Teste l'existence de la matrice
ResExiste = MatExist("MaMatrice")
Syntax
<Result> = MatExist(<Matrix>)
<Result>: Boolean
  • True if the matrix exists in memory,
  • False otherwise. To get the details of the error, use ErrorInfo with the errMessage constant.
<Matrix>: Character string
Name of the matrix to be tested, defined with function MatCreate.
Remarks

Existence of a matrix in memory

A matrix can be created:
A matrix can be deleted:
  • by the function MatDelete,
  • when closing the application.
Business / UI classification: Neutral code
Component: wd270mat.dll
Minimum version required
  • Version 9
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