public static void ContravarianceDelegateExample()
{
var ta = new TriangleArea();
var contDlg = new ContraVerianceDelegate(DelegatesExamples.PassingRectArea);
contDlg(ta);
contDlg = new ContraVerianceDelegate(DelegatesExamples.PassingTriangleArea);
contDlg(ta);
}
public static void CoverianceDelegateExample()
{
var ra = new RectangleArea();
var ta = new TriangleArea();
var covDlg = new CoverianceDelegate(ra.GetRectArea);
covDlg();
covDlg = new CoverianceDelegate(ta.GetTrgArea);
covDlg();
}
public static void PassingTriangleArea(TriangleArea obj)
{
Console.WriteLine("TriangleArea object is passed to this method.");
}
