private void button1_Click(object sender, EventArgs e)
        {
            if(radioButton1.Checked)
            {
                Form form2 = new formnimbuzz();
                form2.Show();

            }

            if (radioButton2.Checked)
            {
                Form form3 = new formgmail();
                form3.Show();
            }

            if (radioButton3.Checked)
            {
                Form form4 = new formnamed();
                form4.Show();
            }

            if (radioButton4.Checked)
            {
                Form form5 = new formfb();
                form5.Show();
            }

            this.Hide();
        }
 private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 {
     dbcon.SocketDisconnect();
     this.Hide();
     Form frmbck = new formnimbuzz();
     frmbck.ShowDialog();
 }