private void pictureBox10_Click(object sender, EventArgs e)
{
Form tbt = new frmThongBao_Vdesign();
tbt.Show();
}
private void pcthoat_Click(object sender, EventArgs e)
{
frmThongBao_Vdesign tb = new frmThongBao_Vdesign(); //Khái báo form Thongbao
tb.Show(); //Hiển thị form Thongbao
}
