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  • Existence of matrix
  • 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:
Versions 15 and later
Android This function is now available for Android applications.
New in version 15
Android This function is now available for Android applications.
Android This function is now available for Android applications.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 18 and later
Android Widget This function is now available in Android Widget mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Android Widget This function is now available in Android Widget mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Android Widget This function is now available in Android Widget 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.
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.
Example
// Number of columns?
ResNbColumns = MatNbColumn("MyMatrix")
Syntax
<Result> = MatNbColumn(<Matrix>)
<Result>: Integer
Number of columns found in the specified matrix.
<Matrix>: Character string (with quotes)
Name of the matrix to use, defined by MatCreate.
Remarks

Existence of matrix

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 find out the error details, use ErrorInfo with errMessage.
Business / UI classification : Neutral code
Component : wd250mat.dll
See also
Minimum version required
  • Version 9
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