Switching between Forms in C#

Hi All,
Have a quick question I suspect, I would like to know the correct method of switching between forms like you would in an installation wizard when you hit the next button. Is this the act of switching between forms of hiding or showing new panels?
The reason I ask is because I do not want to use a tabbed interface and want to keep the GUI as simple as possible for the user.  The code I have here more or less works for get from the intiall Form1 to Form 2 via a button press:

        private void button1_Click(object sender, EventArgs e)
        {
            Form2 temp = new Form2();
            temp.Region = this.Region;
            temp.Show();
            this.Hide();
        }

and to go back to Form1 from Form2 via another button press:

        private void button1_Click(object sender, EventArgs e)
        {
            Form1 temp1 = new Form1();
            temp1.Region = this.Region;
            temp1.Show();
            this.Hide();
        }


What i dont know is what is happening in the background and if this is just making 100's of threads and closing them etc..  hence, im looking for the correct procedure to be used when wanting to achieve the ability to switch between forms as described above.

Many Thanks,
Richard

Form 1 Button:
 
        private void button1_Click(object sender, EventArgs e)
        {
            Form2 temp = new Form2();
            temp.Region = this.Region;
            temp.Show();
            this.Hide();
        }
 
 
 
Form 2 Button:
        private void button1_Click(object sender, EventArgs e)
        {
            Form1 temp1 = new Form1();
            temp1.Region = this.Region;
            temp1.Show();
            this.Hide();
        }

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