PC SOFT

ONLINE HELP
FOR WINDEV, WEBDEV AND WINDEV MOBILE

Home | Sign in | English US
  • Existence of matrix
  • Managing errors
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadApple WatchUniversal Windows 10 AppWindows Mobile
Others
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 the Android applications.
New in version 15
Android This function is now available for the Android applications.
Android This function is now available for the Android applications.
Versions 17 and later
iPhone/iPad This function is now available for the iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for the iPhone/iPad applications.
iPhone/iPad This function is now available for the 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.
// Number of columns?
ResNbColumns = MatNbColumn("MyMatrix")
Syntax
<Result> = MatNbColumn(<Matrix Name>)
<Result>: Integer
Number of columns found in the specified matrix.
<Matrix Name>: Character string (with quotes)
Name of 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 associated with the errMessage constant.
Components
WINDEVWEBDEV - Server codeReports and Queries wd230mat.dll
Windows Mobile wp230mat.dll
Java wd230java.jar
Linux wd230mat.so
Android wd230android.jar
Minimum required version
  • Version 9
This page is also available for…
Comments
Click [Add] to post a comment