Biskilog/BISKILOG POS PREMIUM/Delivery/DeliveryMain.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BiskLog_Point_Of_Sale.Delivery
{
    public partial class DeliveryMain : Form
    {
        Form Active;
        public DeliveryMain()
        {
            InitializeComponent();
        }
        public void LoadDeliveryManagement()
        {
            ordersActive.Visible = true;
            truckActive.Visible = false;
            bayActive.Visible = false;
            DeliveryManagement system = new DeliveryManagement(this);
            system.TopLevel = false;
            if (Active != null)
            {
                contentPanel.Controls.Remove(Active);
            }
            contentPanel.Controls.Add(system);
            Active = system;
            system.BringToFront();
            system.Show();
        }
        public void Loadingbay(string orderRef = null)
        {
            ordersActive.Visible = false;
            truckActive.Visible = false;
            bayActive.Visible = true;
            LoadingBay system = new LoadingBay(order:orderRef);
            system.TopLevel = false;
            if (Active != null)
            {
                contentPanel.Controls.Remove(Active);
            }
            contentPanel.Controls.Add(system);
            Active = system;
            system.BringToFront();
            system.Show();
        }
        public void LoadTruckManager()
        {
            ordersActive.Visible = false;
            truckActive.Visible = true;
            bayActive.Visible = false;
            TruckManagement system = new TruckManagement();
            system.TopLevel = false;
            if (Active != null)
            {
                contentPanel.Controls.Remove(Active);
            }
            contentPanel.Controls.Add(system);
            Active = system;
            system.BringToFront();
            system.Show();
        }
        private void DeliveryMain_Load(object sender, EventArgs e)
        {
            LoadDeliveryManagement();
        }

        private void Label2_Click(object sender, EventArgs e)
        {
            LoadTruckManager();
        }

        private void PanelBranch_Click(object sender, EventArgs e)
        {
            LoadDeliveryManagement();
        }

        private void DeliveryMain_SizeChanged(object sender, EventArgs e)
        {
            if (Active != null)
            {
                Active.WindowState = FormWindowState.Minimized;
                Active.WindowState = FormWindowState.Maximized;
            }
        }

        private void label4_Click(object sender, EventArgs e)
        {
            Loadingbay();
        }
    }
}