private void kupacToolStripMenuItem_Click(object sender, EventArgs e)
{
if (frmAdmKupac == null)
{
frmAdmKupac = new FrmAdmKupac();
frmAdmKupac.MdiParent = this;
frmAdmKupac.Show();
frmAdmKupac.Closed += frmAdmKupac_Closed;
}
else
{
frmAdmKupac.Focus();
}
}
private void frmAdmKupac_Closed(object sender, EventArgs e)
{
frmAdmKupac = null;
}