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  • Matrix existence
  • Managing errors
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Stored procedures
Returns the number of columns found in a matrix. The number of matrix columns changes dynamically. It corresponds to the number of initialized columns. The number of columns can be modified by:
Example
// Number of columns?
ResNbColumns = MatNbColumn("MyMatrix")
Syntax
<Result> = MatNbColumn(<Matrix>)
<Result>: Integer
Number of columns found in the specified matrix.
<Matrix>: Character string
Name of the matrix to be used, defined with MatCreate.
Remarks

Matrix existence

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

Managing errors

Caution: MatNbColumn returns no error code. To find out whether errors have been generated when returning the number of columns, use MatError. To get more details on the error, use ErrorInfo with the errMessage constant.
Business / UI classification: Neutral code
Component: wd290mat.dll
Minimum version required
  • Version 9
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Last update: 05/26/2022

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