using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.InteropServices;
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namespace HotelPms.Share.Windows.Component
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{
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/// <summary>
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/// Û¯³êÄ¢éEBhEbZ[Wðí
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/// </summary>
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public static class RemovePeekMessage
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{
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#region è
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/// <summary>
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/// Y·éEBhEÉÄ`æªKvÆOSª»fµ½Æ«É|Xg³êébZ[W
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/// </summary>
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private const int WM_PAINT = 0xF;
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/// <summary>
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/// EBhEÌNCAgÌæÅ[U[ª}EXÌÚ®ðµ½Æ«É|Xg³êébZ[W
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/// </summary>
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private const int WM_MOUSEMOVE = 0x200;
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/// <summary>
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/// EBhEÌNCAgÌæÅ[U[ª}EX̶{^ðµ½Æ«É|Xg³êébZ[W
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/// </summary>
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private const int WM_LBUTTONDOWN = 0x201;
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/// <summary>
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/// EBhEÌNCAgÌæÅ[U[ª}EX̶{^𣵽ƫÉ|Xg³êébZ[W
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/// </summary>
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private const int WM_LBUTTONUP = 0x202;
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/// <summary>
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/// }EX|C^ªÌæOÉo½É|Xg³êébZ[W
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/// </summary>
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private const int WM_MOUSELEAVE = 0x2A3;
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private const int WM_KEYFIRST = 0x100;
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private const int WM_KEYLAST = 0x109;
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private const int WM_MOUSEFIRST = 0x200;
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private const int WM_MOUSELAST = 0x20D;
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#endregion
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#region \¢Ì
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/// <summary>
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/// MSG \¢Ì^
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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public struct MSG
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{
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/// <summary>
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/// EBhEnh
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/// </summary>
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public IntPtr hWnd;
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/// <summary>
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/// MessageID
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/// </summary>
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public int msg;
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/// <summary>
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/// WParamtB[hiMessageID²ÆÉá¤æ)
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/// </summary>
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public IntPtr wParam;
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/// <summary>
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/// LParamtB[hiMessageID²ÆÉá¤æ)
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/// </summary>
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public IntPtr lParam;
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/// <summary>
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/// Ô
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/// </summary>
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public int time;
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/// <summary>
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/// J[\ÊuiXN[ÀWj
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/// </summary>
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public POINTAPI pt;
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}
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/// <summary>
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/// POINTAPI\¢Ì
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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public struct POINTAPI
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{
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/// <summary>
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/// XÀW
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/// </summary>
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public int x;
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/// <summary>
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/// YÀW
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/// </summary>
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public int y;
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}
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#endregion
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#region ñ^
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/// <summary>
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/// wRemoveMsgÅpÂ\ÈIvV
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/// </summary>
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enum EPeekMessageOption
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{
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/// <summary>
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/// ãbZ[WðL
[©çíµÈ¢
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/// </summary>
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PM_NOREMOVE = 0,
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/// <summary>
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/// ãbZ[WðL
[©çí·é
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/// </summary>
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PM_REMOVE
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}
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#endregion
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#region DllImport
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/// <summary>
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/// XbhÌbZ[WL
[ÉbZ[Wª é©Ç¤©ð`FbNµ
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/// êÎAwè³ê½\¢ÌÉ»ÌbZ[Wði[µÜ·
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/// </summary>
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/// <param name="lpMsg"> bZ[Wîñði[·éAMSG \¢Ì^ÏÌ|C^ðwèµÜ·</param>
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/// <param name="hWnd">bZ[Wðæ¾·éEBhEÌnhðwèµÜ·BSÄÌêÍ NULL</param>
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/// <param name="wMsgFilterMin">bZ[WÌŬlðwèµAtB^OµÜ·BµÈ¢êÍ0</param>
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/// <param name="wMsgFilterMax">bZ[WÌÅålðwèµAtB^OµÜ·BµÈ¢êÍ0</param>
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/// <param name="wRemoveMsg">ãbZ[WðL
[ðí·é©Û©</param>
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/// <returns>bZ[Wðæ¾µ½Æ«Í 0 ÈOA澵ȩÁ½Æ«Í 0</returns>
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool PeekMessage(
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out MSG lpMsg,
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int hWnd,
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int wMsgFilterMin,
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int wMsgFilterMax,
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EPeekMessageOption wRemoveMsg
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);
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/// <summary>
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/// wè³ê½ MSG \¢Ì^ÏÉbZ[Wði[µÜ·
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/// </summary>
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/// <param name="lpMsg">bZ[Wîñði[·éAMSG \¢Ì^ÏÌ|C^ðwèµÜ·</param>
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/// <param name="hWnd">bZ[Wðæ¾·éEBhEÌnhðwèµÜ·BSÄÌêÍ NULL</param>
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/// <param name="wMsgFilterMin">bZ[WÌŬlðwèµAtB^OµÜ·BµÈ¢êÍ0</param>
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/// <param name="wMsgFilterMax">bZ[WÌÅålðwèµAtB^OµÜ·BµÈ¢êÍ0</param>
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/// <returns></returns>
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool GetMessage(
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out MSG lpMsg,
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int hWnd,
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int wMsgFilterMin,
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int wMsgFilterMax
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);
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/// <summary>
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/// wè³ê½EBhEbZ[WðEBhEvV[WÉfBXpb`µÜ·
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/// </summary>
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/// <param name="lpMsg">fBXpb`·ébZ[Wði[µ½ MSG \¢ÌÏÌ|C^ðwèµÜ·</param>
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/// <returns>EBhEvV[WÌßèl</returns>
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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private static extern IntPtr DispatchMessage(
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out MSG lpMsg
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);
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#endregion
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#region \bh
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/// <summary>
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/// Û¯³êÄ¢éEBhEbZ[WðíµÜ·B
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/// </summary>
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public static void Invoke()
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{
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//Console.WriteLine("y¦zRemovePeekMessage.Invoke():±Ì_ÌCxg·×ÄíÀsJn");
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MSG wm;
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while (PeekMessage(out wm, 0, WM_KEYFIRST, WM_KEYLAST, EPeekMessageOption.PM_REMOVE)) { }
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while (PeekMessage(out wm, 0, WM_MOUSEFIRST, WM_MOUSELAST, EPeekMessageOption.PM_REMOVE)) { }
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#if false
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System.Diagnostics.Debug.WriteLine("Invoke begin");
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MSG wm;
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while (true)
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{
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bool ret = PeekMessage(out wm, 0, 0, 0, EPeekMessageOption.PM_REMOVE);
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System.Diagnostics.Debug.WriteLine(wm.msg.ToString());
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System.Diagnostics.Debug.WriteLine(ret.ToString());
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if (!ret) { break; }
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switch (wm.msg)
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{
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case WM_LBUTTONUP:
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case WM_MOUSELEAVE:
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case WM_PAINT:
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System.Diagnostics.Debug.WriteLine(wm.msg.ToString());
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DispatchMessage(out wm);
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break;
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}
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}
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System.Diagnostics.Debug.WriteLine("Invoke end");
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#endif
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}
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#endregion
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}
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}
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