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Generic List<> as a property

Posted on 2009-05-08
7
Medium Priority
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2,064 Views
Last Modified: 2012-05-06
I have a Type List<string>. How would I call the clear method on the List if it was a property.
This is how my property looks
List<string> _RecieveData = new List<string>();//Data Returned from the clock
        public List<string> RecieveData
        {
            get
            {
                return _RecieveData;
            }
            set
            {
                _RecieveData.Clear();
            }
        }

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Question by:u2envy1
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7 Comments
 
LVL 8

Assisted Solution

by:OBonio
OBonio earned 1000 total points
ID: 24334745

<object>.ReceiveData.Clear()

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Accepted Solution

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u2envy1 earned 0 total points
ID: 24334815
Thx.....
Are Generics Ref types or Value types ?
0
 
LVL 1

Expert Comment

by:Acumentality
ID: 24334822
If you want to use the setter to clear, you could use RecieveData = null; Your set method would then ignore the nulll (because you haven't used value). But I don't know why you would do it like that, that's just confusing.

RecieveData.clear() is more clear.
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Author Comment

by:u2envy1
ID: 24334881
If I assign another List<string> MyList = RecieveDate;
Then run  RecieveData.clear()
The MyList is also Cleared. Due to Reference types.
How do I not clear MyList when clearing RecieveDate ?
0
 
LVL 1

Expert Comment

by:Acumentality
ID: 24334918
They both refer to the same object. If you clear one, you clear both.
You'd have to create another list. If you want to copy the elements from recievedata to that list at the same time, use:
List<String> myList = new List<String>(RecieveData);

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LVL 75

Assisted Solution

by:käµfm³d 👽
käµfm³d   👽 earned 1000 total points
ID: 24334933
Have you tried changing your get to:
get
{
    return new List<string>(_RecieveData);
}

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Author Comment

by:u2envy1
ID: 24335021
Thanks this works......
get
{
    return new List<string>(_RecieveData);
}

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