KeyedCollection Exception

[SAL]

Can anyone help me with why, when the mouse is placed over my collection
object, it shows the following exception:

{"The generic type 'System.Collections.ObjectModel.Collection`1' was used
with the wrong number of generic arguments in assembly 'mscorlib,
Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089'.":"System.Collections.ObjectModel.Collection`1"}S

The code is so simple, which may be the why for the exception but I'm just
not getting it.

public class CCKeyedCollection : KeyedCollection<string, ICollectionItem>
{

protected override string GetKeyForItem(ICollectionItem item)
{
return item.Key();
}
}


public interface ICollectionItem
{
string Key();
}

What's weird is that the code seems to execute fine, no crashing or
anything. I wouldn't know about this exception had I not placed the mouse
pointer over the new collection object after construction.
VS2008 compiling for .NET 2.0 assembly for use in a cohorts program.
Please forgive me if this is just toooo elementary.

Thanks in advance,
S

 

[Colbert Zhou [MSFT]]

Hello SAL

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