C#

public class code : A, B
{

    void A.codeproject()
    {
    }
    void B.codeproject()
    {
    }
}

using System;

interface IA
{ 
<code>    // There is no code here. Just a "requirement" that you need
    // to implement a method called CodeProject().</code>
    void CodeProject();
}

interface IB
{
<code>    // IB also says that you are required to implement a method called CodeProject().</code>
    void CodeProject();
}

public class Code : IA, IB
{
<code>    // By inheriting from IA (or IB), what you are saying is that 
    // you are required to implement a method called CodeProject().
    // IA and IB just happen to have the same requirement.
    // Here it is.</code>
    public void CodeProject()
    {
        Console.WriteLine("This is the CodeProject() method.");
    }
}

class Program
{
    static void Main(string[] args)
    {
        Code c = new Code();
        c.CodeProject();
    }
}

<br />
this.listBox1.DataSource = null;<br />

<br />
this.listBox1.Items.Clear()<br />

dataminers wrote:

Convert.Int32(myVariable)

dataminers wrote:

Int32.Parse(myVariable)

dataminers wrote:

(int)myVariable