public static void HienThiTaiKhoan()
{
if (m_FrmTaiKhoan == null || m_FrmTaiKhoan.IsDisposed)
{
m_FrmTaiKhoan = new frmTaiKhoan();
m_FrmTaiKhoan.MdiParent = frmMain.ActiveForm;
m_FrmTaiKhoan.Show();
}
else
{
m_FrmTaiKhoan.Activate();
}
}
private void btnTaiKhoan_Click(object sender, EventArgs e)
{
if (fTK == null || fTK.IsDisposed)
{
fTK = new frmTaiKhoan();
fTK.MdiParent = this;
fTK.Show();
}
else
{
fTK.Activate();
}
}