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What is the difference between ByRef and ByVal.
When to use ByRef and ByVal
- 5 Answers
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Answer / cybergh0st
Byval refers to the actual value of the variable. ByRef
refers to the location of where the value is stored.
Passing.
| Is This Answer Correct ? | 44 Yes | 2 No |
Answer / sagar mitra
ByRef refers to the location, ByVal refers to the actual value. Also, if you are passing parameters with "ByVal" then even if the parameter values are changed, the original argument values will remain intact. But if you pass using "ByRef" then if the parameter values are changed, then the original argument value is also modified
| Is This Answer Correct ? | 26 Yes | 1 No |
Answer / akshitha
Arguments r of 2 types-
byval & byref
byval-when a method is called using by value & an argument
is passed & if the value of that argument is modified within
that method,orginal argument is not modified
byref-when a method is called by reference & an argument is
passed & if the value of that argument is modified within
that method,original argument is modified
| Is This Answer Correct ? | 31 Yes | 12 No |
Answer / manjunathareddy
ByVal :- Byval is address the actual value of the variable.
Ex:- Function abc(Byval var)
var=var+1
End Function
Dim x:x=2
abc x
Msgbox x
In Above example 2 is the Actual value so it address the
actual value,the Result is 2.
ByRef:- ByRef is address the Location of the Stored variable.
Function abc(ByRef var)
var=var+1
End Function
Dim x:x=2
abc x
Msgbox x
In above example it 2 actual value but in byref it refers
the location of the stored variable the result is 3.
| Is This Answer Correct ? | 13 Yes | 1 No |
Answer / fgf
Small correction: we have to call the function
Function abc(ByRef var)
var=var+1
End Function
Dim x:x=2
Call abc(x)
Msgbox x
| Is This Answer Correct ? | 8 Yes | 1 No |
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