C#

public abstract class Vehicle
{
    abstract protected void SomeMethod();
}

public class Car : Vehicle
{
    protected override void SomeMethod()
    {
        throw new NotImplementedException();
    }
}

void Interface1.MyMethod()
{
throw new NotImplementedException();
}

Class1 class1 = new Class1();
Interface1 interface1 = (Interface1)class1;
interface1.MyMethod();

IInterface obj = Factory.GetSomeImplementation();

public interface Interface1
{
    // stuff
}
public interface Interface2 : Interface1
{
    void myMethod();
}

Mohammad Dayyan wrote:

I saw somewhere that obj1.Equals(obj2) is faster than obj1==obj2

Manas Bhardwaj wrote:

Leave alone the fast execution part

Manas Bhardwaj wrote:

do you know that these two statements may not give the same result always

Mohammad Dayyan wrote:

Do you have any examples ?

Mohammad Dayyan wrote:

I saw somewhere that obj1.Equals(obj2) is faster than obj1==obj2

pkruger wrote:

myCmd.Click += new System.EventHandler(cmdOK_Click);