can I return two outputs in a method ?

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C#

C#4.0

I ~~wanna~~ want to return two outputs in a method ...is that possible ???

Posted 23-Jun-13 0:10am

eng.amir.ebrahimi

Updated 23-Jun-13 7:47am

Shahin Khorshidnia

v3

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Thomas Daniels · Answer 1 · 2013-06-23T01:01:00

Hi,

Instead of a KeyValuePair, you can also use a Tuple:
http://msdn.microsoft.com/en-us/library/dd268536.aspx[^]

C#

private Tuple<string,int> MyMethod()
    {
    ...
    return new Tuple<string,int>("hello", 666);
    }

C#

Tuple<string,int> x = MyMethod();
string str = x.Item1;
int i = x.Item2;

There's not only a Tuple with 2 elements: there're Tuples with 1, 2, 3, 4, 5, 6, 7 and 8 elements: http://msdn.microsoft.com/en-us/library/system.tuple.aspx[^]

Hope this helps.

OriginalGriff · Answer 2 · 2013-06-23T00:18:00

Not via a return statement - a method can only ever return a single object.

There are two ways to do what you want:
1) Return an object which contains the two (or more) values you need:

C#

private KeyValuePair<string, int> MyMethod()
    {
    ...
    return new KeyValuePair<string, int>("hello", 666);
    }

2) Add an out or ref parameter:

C#

private string MyMethod(out int iValue)
    {
    ...
    iValue = 666;
    return "hello";
    }

[edit]int parts of KeyValuePair declarations vanished... - OriginalGriff[/edit]

can I return two outputs in a method ?

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