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  • Matrix existence
  • Managing errors
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Stored procedures
Returns the number of rows found in a matrix. The number of matrix rows changes dynamically. It corresponds to the number of initialized rows. The number of rows can be modified by:
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Example
// Number of rows?
ResNbRows = MatNbLine("MyMatrix")
Syntax
<Result> = MatNbLine(<Matrix Name>)
<Result>: Integer
Number of rows found in the specified matrix.
<Matrix Name>: Character string (with quotes)
Name of matrix to use, defined by MatCreate.
Remarks

Matrix existence

The matrix existence is not checked. To check the matrix existence, use MatExist.

Managing errors

Caution: MatNbLine returns no error code. To find out whether errors have been generated when returning the number of rows, use MatError. To find out the error details, use ErrorInfo associated with the errMessage constant.
Business / GUI classification : Neutral code
Component : wd250mat.dll
See also
Minimum version required
  • Version 9
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