private void firmapodatciToolStripMenuItem_Click(object sender, EventArgs e)
{
if (firma == null)
{
firma = new Tvrtka();
firma.MdiParent = this;
firma.FormClosed += firma_FormClosed;
firma.Show();
firma.WindowState = FormWindowState.Maximized;
}
else
{
firma.Activate();
}
}
void firma_FormClosed(object sender, FormClosedEventArgs e)
{
firma = null;
//throw new NotImplementedException();
}