Properties in C#

gistfile1.cs

class Data {
    FileStream s;

    public string FileName { 
        set { s = new FileStream( value, FileMode.Create ); }
        get { return s.Name; }
    }
}

Data d = new Data();
d.FileName = "myFile.txt"; // calls set("myFile.txt");
string s = d.FileName; // calls get();