private void FrmMain_KeyDown(object sender, KeyEventArgs e) { if (_lock==false) { if (e.Control && e.KeyCode == Keys.Enter) btn_Start_Submit_Click(null, null); if (e.Control && e.KeyCode == Keys.PageUp) UcPictureBox1.btn_Xoaytrai_Click(null, null); if (e.Control && e.KeyCode == Keys.PageDown) UcPictureBox1.btn_xoayphai_Click(null, null); if (e.KeyCode == Keys.Escape) { new FrmFreeTime().ShowDialog(); Global.DbBpo.UpdateTimeFree(Global.StrToken, Global.FreeTime); } } }