private void button2_Click(object sender, EventArgs e)
{
this.Hide();
var fitterForm = new FitterForm();
fitterForm.ShowDialog();
this.Close();
}
private void Fitterbtn_Click(object sender, EventArgs e)
{
this.Hide();
FitterForm form = new FitterForm()
{
Location = this.Location,
StartPosition = FormStartPosition.Manual
};
form.FormClosing += delegate { this.Show(); };
form.Show();
}