private void pictureBox1_Click(object sender, EventArgs e)
{
rehber from = new rehber();
from.Show();
this.Visible = false;
}
private void Form3_Load(object sender, EventArgs e)
{
timer1.Interval = 1000;
timer1.Start();
label1.Text = DateTime.Now.ToLongDateString();
label2.Text = DateTime.Now.ToLongTimeString();
rehber from = new rehber();
this.Visible = false;
}