public static void DelegateCastTest1()
{
Cast_Func3 afunc = new CastSubObj().AddValue;
object obj = afunc;
Func <DelegateCast <CastSubObj>, CastSubObj> action2 = obj as Func <DelegateCast <CastSubObj>, CastSubObj>;
Func <DelegateCast <CastSubObj>, CastSubObj2> action3 = obj as Func <DelegateCast <CastSubObj>, CastSubObj2>;
var action4 = obj as Cast_Func2;
var action5 = obj as Action <DelegateCast <CastSubObj>, CastSubObj2>;
if (action2 != null)
{
throw new Exception();
}
if (action3 == null)
{
throw new Exception();
}
if (action4 == null)
{
throw new Exception();
}
if (action5 != null)
{
throw new Exception();
}
}
public static CastSubObj2 AddValue(this CastSubObj cast, DelegateCast <CastSubObj> arg)
{
Console.WriteLine(arg);
return(new CastSubObj2());
}