private void btncontroller_Click(object sender, EventArgs e) { P1.Hide(); P2.Hide(); P5.Hide(); P4.Hide(); P3.Show(); P3.BringToFront(); lbltab.Text = "Controller Page"; btnConnecting.BackColor = Color.FromArgb(41, 39, 40); btnConnecting.ForeColor = Color.DimGray; btnsetting.BackColor = Color.FromArgb(41, 39, 40); btnsetting.ForeColor = Color.DimGray; btncontroller.BackColor = Color.FromArgb(41, 39, 70); btncontroller.ForeColor = Color.Aquamarine; btnstatus.BackColor = Color.FromArgb(41, 39, 40); btnstatus.ForeColor = Color.DimGray; btnhome.BackColor = Color.FromArgb(41, 39, 40); btnhome.ForeColor = Color.DimGray; }