using System;
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namespace Microsoft.Win32
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{
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/// <summary>
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/// Util
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/// </summary>
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public static partial class Util
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{
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/// <summary>
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/// 获取有符号低16位整数
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/// </summary>
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/// <param name="lParam">句柄</param>
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/// <returns>有符号低16位整数</returns>
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public static int GET_X_LPARAM(IntPtr lParam)
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{
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return LOWORD(lParam);
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}
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/// <summary>
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/// 获取有符号高十六位整数
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/// </summary>
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/// <param name="lParam">句柄</param>
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/// <returns>有符号高十六位整数</returns>
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public static int GET_Y_LPARAM(IntPtr lParam)
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{
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return HIWORD(lParam);
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}
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/// <summary>
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/// 获取无符号高8位整数
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/// </summary>
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/// <param name="wValue">无符号16位整数</param>
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/// <returns>无符号高8位整数</returns>
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public static byte HIBYTE(ushort wValue)
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{
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return (byte)((wValue >> 0x8) & 0xff);
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}
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/// <summary>
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/// 获取无符号低8位整数
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/// </summary>
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/// <param name="wValue">无符号16位整数</param>
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/// <returns>无符号低8位整数</returns>
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public static byte LOBYTE(ushort wValue)
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{
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return (byte)(wValue & 0xff);
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}
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/// <summary>
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/// 获取无符号高16位整数
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/// </summary>
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/// <param name="dwValue">无符号32位整数</param>
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/// <returns>无符号高16位整数</returns>
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public static ushort HIWORD(uint dwValue)
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{
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return (ushort)((dwValue >> 0x10) & 0xffff);
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}
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/// <summary>
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/// 获取无符号低16位整数
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/// </summary>
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/// <param name="dwValue">无符号32位整数</param>
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/// <returns>无符号低16位整数</returns>
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public static ushort LOWORD(uint dwValue)
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{
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return (ushort)(dwValue & 0xffff);
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}
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/// <summary>
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/// 将两个无符号8位整数合并为一个无符号16位整数
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/// </summary>
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/// <param name="bLow">无符号低8位整数</param>
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/// <param name="bHigh">无符号高8位整数</param>
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/// <returns>无符号16位整数</returns>
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public static ushort MAKEWORD(byte bLow, byte bHigh)
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{
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return (ushort)((((ushort)bHigh) << 0x8) | ((ushort)(bLow & 0xff)));
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}
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/// <summary>
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/// 将两个无符号16位整数合并为一个无符号32位整数
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/// </summary>
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/// <param name="wLow">无符号低16位整数</param>
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/// <param name="wHigh">无符号高16位整数</param>
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/// <returns>无符号32位整数</returns>
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public static uint MAKELONG(ushort wLow, ushort wHigh)
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{
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return ((((uint)wHigh) << 0x10) | ((uint)(wLow & 0xffff)));
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}
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/// <summary>
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/// 将两个无符号16位整数合并为一个有符号32位整数
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/// </summary>
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/// <param name="wLow">无符号低16位整数</param>
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/// <param name="wHigh">无符号高16位整数</param>
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/// <returns>有符号32位整数</returns>
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public static int MAKELPARAM(ushort wLow, ushort wHigh)
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{
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return (int)MAKELONG(wLow, wHigh);
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}
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/// <summary>
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/// 将两个无符号16位整数合并为一个有符号32位整数
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/// </summary>
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/// <param name="wLow">无符号低16位整数</param>
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/// <param name="wHigh">无符号高16位整数</param>
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/// <returns>有符号32位整数</returns>
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public static int MAKEWPARAM(ushort wLow, ushort wHigh)
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{
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return (int)MAKELONG(wLow, wHigh);
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}
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/// <summary>
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/// 将两个无符号16位整数合并为一个有符号句柄
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/// </summary>
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/// <param name="wLow">无符号低16位整数</param>
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/// <param name="wHigh">无符号高16位整数</param>
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/// <returns>有符号句柄</returns>
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public static IntPtr MAKELRESULT(ushort wLow, ushort wHigh)
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{
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return (IntPtr)MAKELONG(wLow, wHigh);
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}
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/// <summary>
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/// 获取无符号高16位整数
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/// </summary>
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/// <param name="n">32位有符号整数</param>
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/// <returns>无符号高16位整数</returns>
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public static int HIWORD(int n)
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{
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return ((n >> 0x10) & 0xffff);
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}
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/// <summary>
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/// 获取无符号高16位整数
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/// </summary>
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/// <param name="n">句柄</param>
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/// <returns>无符号高16位整数</returns>
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public static int HIWORD(IntPtr n)
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{
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return HIWORD((int)((long)n));
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}
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/// <summary>
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/// 获取无符号低16位整数
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/// </summary>
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/// <param name="n">32位有符号整数</param>
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/// <returns>无符号低16位整数</returns>
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public static int LOWORD(int n)
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{
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return (n & 0xffff);
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}
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/// <summary>
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/// 获取无符号低16位整数
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/// </summary>
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/// <param name="n">句柄</param>
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/// <returns>无符号低16位整数</returns>
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public static int LOWORD(IntPtr n)
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{
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return LOWORD((int)((long)n));
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}
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/// <summary>
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/// 获取有符号高16位整数
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/// </summary>
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/// <param name="n">32位有符号整数</param>
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/// <returns>有符号高16位整数</returns>
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public static int SignedHIWORD(int n)
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{
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return (short)((n >> 0x10) & 0xffff);
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}
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/// <summary>
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/// 获取有符号高16位整数
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/// </summary>
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/// <param name="n">句柄</param>
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/// <returns>有符号高16位整数</returns>
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public static int SignedHIWORD(IntPtr n)
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{
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return SignedHIWORD((int)((long)n));
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}
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/// <summary>
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/// 获取有符号低16位整数
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/// </summary>
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/// <param name="n">32位有符号整数</param>
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/// <returns>有符号低16位整数</returns>
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public static int SignedLOWORD(int n)
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{
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return (short)(n & 0xffff);
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}
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/// <summary>
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/// 获取有符号低16位整数
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/// </summary>
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/// <param name="n">句柄</param>
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/// <returns>有符号低16位整数</returns>
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public static int SignedLOWORD(IntPtr n)
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{
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return SignedLOWORD((int)((long)n));
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}
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/// <summary>
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/// 将两个16位整数合并为一个32位整数
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/// </summary>
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/// <param name="low">低16位整数</param>
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/// <param name="high">高16为整数</param>
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/// <returns>32位整数</returns>
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public static int MAKELONG(int low, int high)
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{
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return ((high << 0x10) | (low & 0xffff));
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}
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/// <summary>
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/// 将两个16位整数合并为句柄
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/// </summary>
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/// <param name="low">低16位整数</param>
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/// <param name="high">高16为整数</param>
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/// <returns>LParam</returns>
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public static IntPtr MAKELPARAM(int low, int high)
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{
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return (IntPtr)((high << 0x10) | (low & 0xffff));
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}
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}
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}
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