private void buttonPojazdy_Click(object sender, EventArgs e)
{
if (girdFormPojazdy == null)
{
girdFormPojazdy = new FormPojazdy();
girdFormPojazdy.MdiParent = this;
girdFormPojazdy.FormClosed += girdFormPojazdy_FormClosed;
girdFormPojazdy.Show();
}
else
{
girdFormPojazdy.Activate();
}
}
private void girdFormPojazdy_FormClosed(object sender, FormClosedEventArgs e)
{
girdFormPojazdy = null;
}