directions.cs

微软的行业应用解决方案示例

using System;
using System.Drawing;
using System.Windows.Forms;
using HardwareDistributor.Business;
using HardwareDistributor.Properties;

namespace HardwareDistributor.UI
{
	public partial class Directions : Form
    {
        #region Members

        private int _customerId;

        #endregion

        #region Contructors

        public Directions(int customerId)
		{
			InitializeComponent();

			// We are removing both the Control Box and the Minimize Box, so that we don't
			// have to handle these in our code. This is not necessary in Windows Mobile Standard,
			// but we are writing this code so that it works on all platforms without any changes
			// or any recompiling.
			this.ControlBox = false;
			this.MinimizeBox = false;

			_customerId = customerId;
        }

        #endregion

        #region Event Handlers

        /// <summary>
		/// Loading the directions dialog
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void Directions_Load(object sender, EventArgs e)
		{
			try
			{
                Customer customer = GetCustomerDetails(_customerId);

                DisplayMap( customer);

			}
			catch (Exception ex)
			{
				Cursor.Current = Cursors.Default;
				Application.DoEvents();

				Business.Services.LogErrors(ex);
                MessageBox.Show(Resources.MapLoadError, Resources.SystemError);
			}
		}

        /// <summary>
        /// Dismiss the directions dialog and go back to the deliveries page
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemDismiss_Click(object sender, EventArgs e)
        {
            this.Close();
        }


        /// Custom Handling for the back key
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BackKeyDown(object sender, KeyEventArgs e)
        {
            if ((e.KeyCode == System.Windows.Forms.Keys.Back))
            {
                // Back

                // if the back key is hit, close this dialog
                this.Close();
            }
        }

        #endregion

        #region Methods

        /// <summary>
        /// Get map fro map service and display in picture box
        /// </summary>
        /// <param name="customer"></param>
        private void DisplayMap(Customer customer)
        {
            Cursor.Current = Cursors.WaitCursor;
            Application.DoEvents();

            //get route map
            Bitmap routeMap = Business.Services.GetRouteMap(
                                            MapPictureBox.Height, 
                                            MapPictureBox.Width,
                                            customer.StreetAddress.Trim(),
                                            customer.City.Trim(), 
                                            customer.StateProvince.Trim());

            Application.DoEvents();

            if (null != routeMap)
            {
              this.MapPictureBox.Image = routeMap;
            }

            Cursor.Current = Cursors.Default;
            
        }

        /// <summary>
        /// Get customer details from DB
        /// </summary>
        /// <param name="_customerId"></param>
        /// <returns></returns>
        private Customer GetCustomerDetails(int _customerId)
        {
            Customer customer = null;
            //Iterate through Customer Collection
            foreach (Business.Customer _customerItem in Business.GlobalCache.Instance.Customers)
            {
                //User Customer object with a matching CustomerId
                if (_customerItem.CustomerId == _customerId)
                {
                    customer = _customerItem;
                    break;
                }
            }

            return customer;
        }

        #endregion

    }
}