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  • Matrix existence
  • Managing errors
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Stored procedures
Reads the value of a matrix element.
Reminder: A matrix element is identified by its row and by its column.
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.
// Read the element (row 3, column 5)
ResRead = MatRead("MyMatrix", 3, 5)
Syntax
<Result> = MatRead(<Matrix Name> , <Element Row> , <Element Column>)
<Result>: Real
Value of element read.
<Matrix Name>: Character string
Name of matrix to read, defined by MatCreate.
<Element Row>: Integer
Number of the row for the element to read.
<Element Column>: Integer
Number of the column for the element to read.
Remarks

Matrix existence

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

Managing errors

Caution: MatRead returns no error code.
To find out whether errors have been generated when reading an element, 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
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