private void المخازندToolStripMenuItem_Click(object sender, EventArgs e) { if (addInventory == null) { addInventory = new add_inventory(); addInventory.MdiParent = this; addInventory.FormClosed += new FormClosedEventHandler(addInventory_FormClosed); addInventory.Show(); } else { addInventory.Activate(); } }
private void button2_Click(object sender, EventArgs e) { add_inventory f34 = new add_inventory(); f34.Show(); }