CSHARP

C# open a new form

form2 F2 = new form2();
F2.Show();

start new form c#

    moreForm = new MoreForm();
    moreForm.Show();
    childForm.Close();

C# new form

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }

    private void btnReset_Click(object sender, EventArgs e)
    {
        Form1 NewForm = new Form1();           
        NewForm.Show();
        this.Dispose(false);
    }
}