public static MDIChildFormEmployees CreateOrSelectForm(Form mdiParent)
{
if (mdiForm == null)
{
mdiForm = new MDIChildFormEmployees();
}
mdiForm.MdiParent = mdiParent;
mdiForm.Show();
mdiForm.BringToFront();
return(mdiForm);
}
private void MDIChildFormEmployees_FormClosed(object sender, FormClosedEventArgs e)
{
mdiForm = null;
}
private void MiEmployees_Click(object sender, EventArgs e)
{
MDIChildFormEmployees.CreateOrSelectForm(this);
}