private void frmUser_Load(object sender, EventArgs e)
        {
            frmMyPresence form = new frmMyPresence(us);

            form.MdiParent = this;
            form.Show();
        }
        private void myPresenceToolStripMenuItem_Click(object sender, EventArgs e)//Shows User Screen When MyPresence click
        {
            this.ActiveMdiChild.Close();
            frmMyPresence form = new frmMyPresence(us);

            form.MdiParent = this;
            form.Show();
        }