private void btnaboutok_Click(object sender, EventArgs e)
{
this.Visible = false;
clogin a = new clogin();
a.ShowDialog();
this.Close();
}
private void btnqsnc_Click(object sender, EventArgs e)
{
this.Visible = false;
clogin b = new clogin();
b.ShowDialog();
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
this.Visible = false;
clogin k = new clogin();
k.ShowDialog();
this.Close();
}