private void контролиToolStripMenuItem_Click(object sender, EventArgs e)
{
Controls k = new Controls(this);
this.Enabled = false;
k.Show();
}
private void pictureBox2_MouseUp(object sender, MouseEventArgs e)
{
ResourceManager rm = Resources.ResourceManager;
Image slika = (Image)rm.GetObject("kontroli_kopce");
pictureBox2.Image = slika;
Controls kontroli = new Controls(this);
this.Hide();
kontroli.Show();
}