private void btnTrangChu_Click(object sender, EventArgs e)
{
Form frm = new FrmChinh();
frm.Show();
this.Hide();
}
private void button4_Click(object sender, EventArgs e)
{
DialogResult dialog = MessageBox.Show("Bạn có chắc muốn thoát?", "Thông báo", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
if (dialog == DialogResult.Yes)
{
this.Hide();
FrmChinh frm = new FrmChinh();
frm.Show();
//this.Close();
//Environment.Exit(1);
}
}