private void kiểmTraTốcĐộToolStripMenuItem_Click(object sender, EventArgs e) { frmTocDo f = new frmTocDo(); this.Hide(); f.Show(); }
private void tốcĐộToolStripMenuItem_Click(object sender, EventArgs e) { frmTocDo s = new frmTocDo(); this.Hide(); s.Show(); }