Give permissions to access only one particular form open in C# See more: C#

if checked checkbox chksetting, then login admin access only setting form not click other button like frmmanual (name of check box chkSettings, chkmanual there are 2 check boxes & name of my form frmsetting, frmmanual, frmhome) in frmhome add button (btnmanual, btnsetting) when i click btnsetting then open setting form & then btnmanual not open form on button click c# windows application?

        private void btnSettings_Click(object sender, EventArgs e)
        {
            //frmSettings setting = new frmSettings();
            //this.Hide();
            //setting.ShowDialog();
            //this.Close();


            try
            {
                if (lblAuth.Text == "yes")
                {
                    var Setting = frmLogin.FormHome;
                    frmSettings setting = new frmSettings();
                    dal.change_screen(Setting, setting);
                    this.Hide();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "btnSettings_Click,frmHome", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }