notifyicon.cs

windowsmobile 短信接收

using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace NotifyClient
{
	
	public class NotifyIcon
	{
		//Declare click event
		public event System.EventHandler Click;

		private WindowSink windowSink;
		private int uID = 5000;

		//Constructor
		public NotifyIcon()
		{
			//Create instance of the MessageWindow subclass
			windowSink = new WindowSink(this);
			windowSink.uID = uID;
		}

		//Destructor
		~NotifyIcon()
		{
			Remove();			
		}


		public void Add(IntPtr hIcon)
		{
			TrayMessage(windowSink.Hwnd, NIM_ADD, (uint)uID, hIcon);
		}

		public void Remove()
		{
		
			TrayMessage(windowSink.Hwnd, NIM_DELETE, (uint)uID, IntPtr.Zero);
		}

		public void Modify(IntPtr hIcon)
		{
			
			TrayMessage(windowSink.Hwnd, NIM_MODIFY, (uint)uID, hIcon);

		}



		private void TrayMessage(IntPtr hwnd, int dwMessage, uint uID, IntPtr hIcon)
		{
			NOTIFYICONDATA notdata = new NOTIFYICONDATA();

			notdata.cbSize = 152;
			notdata.hIcon =  hIcon;
			notdata.hWnd = hwnd;
			notdata.uCallbackMessage = WM_NOTIFY_TRAY;
			notdata.uFlags = NIF_MESSAGE | NIF_ICON;
			notdata.uID = uID;

			int ret = Shell_NotifyIcon(dwMessage, ref notdata);
		} 

		#region API Declarations

		internal const int WM_LBUTTONDOWN = 0x0201;
		//User defined message
		internal const int WM_NOTIFY_TRAY = 0x0400 + 2001;

		internal const int NIM_ADD       =  0x00000000;
		internal const int NIM_MODIFY    =  0x00000001;
		internal const int NIM_DELETE    =  0x00000002;

		const int NIF_MESSAGE   =  0x00000001;
		const int NIF_ICON      =  0x00000002;


		internal struct NOTIFYICONDATA 
		{ 
			internal int cbSize;
			internal IntPtr hWnd; 
			internal uint uID; 
			internal uint uFlags; 
			internal uint uCallbackMessage; 
			internal IntPtr hIcon; 
			//internal char[] szTip = new char[64]; 
			//internal IntPtr szTip;
		}

		[DllImport("coredll.dll")]
		internal static extern int Shell_NotifyIcon(
			int dwMessage,ref NOTIFYICONDATA pnid);
		
		[DllImport("coredll.dll")]
		internal static extern int SetForegroundWindow(IntPtr hWnd);
		
		[DllImport("coredll.dll")]
		internal static extern int ShowWindow( 
			IntPtr hWnd, 
			int nCmdShow); 
		
		[DllImport("coredll.dll")]
		internal static extern IntPtr GetFocus();

		#endregion


		#region WindowSink

		internal class WindowSink : Microsoft.WindowsCE.Forms.MessageWindow
		{
			//Private members
			private int m_uID = 0;
			private NotifyIcon notifyIcon;

			//Constructor
			public WindowSink(NotifyIcon notIcon)
			{
				notifyIcon = notIcon;	
			}
			
			public int uID
			{
				set
				{
					m_uID = value;

				}	
			}

			protected override void WndProc(ref Microsoft.WindowsCE.Forms.Message msg)
			{
				 
				if (msg.Msg == WM_NOTIFY_TRAY)
				{
					if((int)msg.LParam == WM_LBUTTONDOWN)
					{
						if ((int)msg.WParam == m_uID)
						{
							//If somebody hooked, raise the event
							if (notifyIcon.Click != null)
								notifyIcon.Click(notifyIcon, null);
		
						}
					}	
				}
								
			}
		}
		#endregion

	}
}