windowsmessages.cs

该即时通讯系统系统能够实现像QQ一样的通讯功能

using System;
using System.Runtime;
using System.Runtime.InteropServices;

namespace LanMsg.Windows.Forms
{
	public class API
	{
		[DllImport("User32.dll", CharSet=CharSet.Auto)]
		public static extern int SendMessage(IntPtr hWnd, int message, IntPtr wParam, IntPtr lParam);
	}
	
	public class Messages
	{
		public const int WM_USER = 0x0400;
		public const int EM_GETOLEINTERFACE = WM_USER + 60;
	}
}