Newbie Qn - Interfaces as parameters and members

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Hi all

I want to know if I can have interfaces as formal parameters in methods.

For instance, if I have something like this

public interface INameTranslator
{
string sToLocal(string sRemoteName);
string sToRemote(string sLocalName);
}

Can I do this..

public class CMyNameTranslator: INameTranslator
{
public string sToLocal(string sRemoteName)
{
return sRemoteName;
}
public string sToRemote(string sLocalName)
{
return sLocalName;
}
}

public class CFoo
{
public INameTranslator mNameTranslator;
CFoo(INameTranslator NameTranslator) //<<--- Is this legal /desirable
{
mNameTranslator = NameTranslator;
}
}

AND then somewhere else..

CMyNameTranslator NameTranslator = new CMyNameTranslator();
CFoo Foo = new CFoo(NameTranslator);
string sTemp = Foo.mNameTranslator.sToLocal("Bob"); // sTemp should be
"Bob"

Cheers

Steve

.