using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Windows.Forms;
using ryCommon;
using QuickMsg;
using System.Runtime.CompilerServices;
using System.Threading;

namespace ryConfig
{
    /// <summary>
    /// 流程软件通信类
    /// </summary>
    public class MsgManager
    {

        [DllImport("user32.dll", EntryPoint = "GetParent", SetLastError = true)]
        private static extern IntPtr GetParent(IntPtr hWnd);

        [DllImport("user32.dll", EntryPoint = "GetWindowThreadProcessId")]
        private static extern uint GetWindowThreadProcessId(IntPtr hWnd, ref uint lpdwProcessId);

        [DllImport("user32.dll", EntryPoint = "IsWindow")]
        private static extern bool IsWindow(IntPtr hWnd);
        private const int WM_COPYDATA = 0x004A;
        public struct COPYDATASTRUCT
        {
            public IntPtr dwData;
            public int cData;
            [MarshalAs(UnmanagedType.LPStr)]
            public string lpData;
        }
        [DllImport("User32.dll", EntryPoint = "SendMessage")]
        private static extern int SendMessage(IntPtr hwnd, int msg, long wParam, ref COPYDATASTRUCT IParam);
        /// <summary>
        /// 向指定句柄发送消息
        /// </summary>
        /// <param name="handle"></param>
        /// <param name="wParam"></param>
        /// <param name="str">要发送的文字内容</param>
        public static void SendMsg(IntPtr handle, long wParam, string str)
        {
            byte[] arr = System.Text.Encoding.Default.GetBytes(str);
            int len = arr.Length;
            COPYDATASTRUCT cdata;
            cdata.dwData = (IntPtr)100;
            cdata.lpData = str;
            cdata.cData = len + 1;
            SendMessage(handle, WM_COPYDATA, wParam, ref cdata);
        }
        /// <summary>
        /// 发送消息到文本编辑器
        /// </summary>
        /// <param name="wParam">附带信息</param>
        /// <param name="str">要发送的文字内容</param>
        public static void SendMsgToEditor(string str)
        {
            object mainHandle = QuickMsg.RyMemoryShare.ReadFromMemory(1024, typeof(Int64), "SmartEditor");
            if (mainHandle != null)
            {
                SendMsg((IntPtr)mainHandle.ToInt64(), 0, str);
            }
        }
        /// <summary>
        /// 发送消息到指定的内存ID窗口
        /// </summary>
        /// <param name="MemoryId">内存ID</param>
        /// <param name="wParam">附带信息标识</param>
        /// <param name="str">发送的内容</param>
        public static void SendMsg(string MemoryId, long wParam, string str)
        {
            if (MemoryId == null || MemoryId.Length == 0)
            {
                return;
            }
            else
            {
                object mainHandle = QuickMsg.RyMemoryShare.ReadFromMemory(1024, typeof(Int64), MemoryId);
                if (mainHandle != null && (long)mainHandle != 0)
                {
                    SendMsg((IntPtr)mainHandle.ToInt64(), wParam, str);
                }
            }
        }
        /// <summary>
        /// 获取消息字符串内容
        /// </summary>
        /// <param name="m"></param>
        /// <returns></returns>
        public static string GetMsg(Message m)
        {
            COPYDATASTRUCT cdata = new COPYDATASTRUCT();
            Type mytype = cdata.GetType();
            cdata = (COPYDATASTRUCT)m.GetLParam(mytype);
            return cdata.lpData;
        }
        /// <summary>
        /// 通知已打开的编辑器，显示界面
        /// </summary>
        public static void ShowEditorUI()
        {
            object mainHandle = QuickMsg.RyMemoryShare.ReadFromMemory(1024, typeof(Int64), "SmartEditor");
            if (mainHandle != null && (long)mainHandle != 0)
            {
                ryControls.Win32.SendMessage(new IntPtr((long)mainHandle), 17189, 100, 100);//让界面显示
                return;
            }
        }
    }
}