//Different versions of a For Loop
 
 //count from 1 to 5
 private void optCount5_CheckedChanged(object sender, EventArgs e)
        {

            
            
            for (short x = 1; x < 6 ; x++)
            {
                lbAnswer.Items.Add(x);

            }
            
        }
        //__________________________________________________________________________________________

        //count by 2's
        private void optCountBy2_CheckedChanged(object sender, EventArgs e)
        {

            Reset();

            for (int x = 2; x <= 30; x += 2)    //count from 2 to 30 by 2's
            {
                lbAnswer.Items.Add(x);

                ShowCode("Countby2.txt");
            }
        }

        //__________________________________________________________________________________________

        //count backwards
        private void optBack_CheckedChanged(object sender, EventArgs e)
        {

            Reset();
            //loop runs backwards as long as x > 0
            for (int x = 30; x > 0; x --)                //could also say x -= 1
            {
                lbAnswer.Items.Add(x);

                ShowCode("Backwards.txt");
            }



        }
        //_____________________________________________________________________________________
        
	//nested loop
        private void optNested_CheckedChanged(object sender, EventArgs e)
        {
            Reset();
            for (int x = 1; x<=5; x ++)
            {
                for (int y = 1; y < 4 ; y ++)
                {
                    lbAnswer.Items.Add("     InnerLoop");
                }
                lbAnswer.Items.Add("OutterLoop");
            }
            ShowCode("Nested.txt");
        }