mirror of
https://github.com/Ryujinx/Opentk.git
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cec48ab20a
For improved safety, we are now using managed memory buffers instead of stack allocations and pointers.
213 lines
8.8 KiB
C#
213 lines
8.8 KiB
C#
#region License
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//
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// HidProtocol.cs
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//
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// Author:
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// Stefanos A. <stapostol@gmail.com>
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//
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// Copyright (c) 2014 Stefanos Apostolopoulos
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Security;
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using System.Text;
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using OpenTK.Platform.Common;
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namespace OpenTK.Platform.Windows
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{
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class HidProtocol
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{
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const string lib = "hid.dll";
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetButtonCaps")]
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public static extern HidProtocolStatus GetButtonCaps(HidProtocolReportType hidProtocolReportType,
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IntPtr button_caps, ref ushort p, byte[] preparsed_data);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetButtonCaps")]
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public static extern HidProtocolStatus GetButtonCaps(HidProtocolReportType hidProtocolReportType,
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HidProtocolButtonCaps[] button_caps, ref ushort p, byte[] preparsed_data);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetCaps")]
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public static extern HidProtocolStatus GetCaps(byte[] preparsed_data, ref HidProtocolCaps capabilities);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetData")]
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public static extern HidProtocolStatus GetData(HidProtocolReportType type,
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IntPtr data, ref int data_length,
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byte[] preparsed_data, IntPtr report, int report_length);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetData")]
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public static extern HidProtocolStatus GetData(HidProtocolReportType type,
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HidProtocolData[] data, ref int data_length,
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byte[] preparsed_data, IntPtr report, int report_length);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetScaledUsageValue")]
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static public extern HidProtocolStatus GetScaledUsageValue(HidProtocolReportType type,
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HIDPage usage_page, short link_collection, short usage, ref int usage_value,
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byte[] preparsed_data, IntPtr report, int report_length);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetUsageValue")]
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public static extern HidProtocolStatus GetUsageValue(HidProtocolReportType type,
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HIDPage usage_page, short link_collection, short usage, ref uint usage_value,
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byte[] preparsed_data, IntPtr report, int report_length);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetValueCaps")]
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public static extern HidProtocolStatus GetValueCaps(HidProtocolReportType type,
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IntPtr caps, ref ushort caps_length, byte[] preparsed_data);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_GetValueCaps")]
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public static extern HidProtocolStatus GetValueCaps(HidProtocolReportType type,
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HidProtocolValueCaps[] caps, ref ushort caps_length, byte[] preparsed_data);
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[SuppressUnmanagedCodeSecurity]
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[DllImport(lib, SetLastError = true, EntryPoint = "HidP_MaxDataListLength")]
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public static extern int MaxDataListLength(HidProtocolReportType type, byte[] preparsed_data);
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}
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enum HidProtocolReportType : ushort
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{
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Input,
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Output,
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Feature
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}
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enum HidProtocolStatus
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{
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Success = 0x00110000,
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}
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[StructLayout(LayoutKind.Explicit)]
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struct HidProtocolButtonCaps
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{
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[FieldOffset(0)] public HIDPage UsagePage;
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[FieldOffset(2)] public byte ReportID;
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[FieldOffset(3), MarshalAs(UnmanagedType.U1)] public bool IsAlias;
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[FieldOffset(4)] public short BitField;
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[FieldOffset(6)] public short LinkCollection;
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[FieldOffset(8)] public short LinkUsage;
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[FieldOffset(10)] public short LinkUsagePage;
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[FieldOffset(12), MarshalAs(UnmanagedType.U1)] public bool IsRange;
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[FieldOffset(13), MarshalAs(UnmanagedType.U1)] public bool IsStringRange;
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[FieldOffset(14), MarshalAs(UnmanagedType.U1)] public bool IsDesignatorRange;
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[FieldOffset(15), MarshalAs(UnmanagedType.U1)] public bool IsAbsolute;
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//[FieldOffset(16)] unsafe fixed int Reserved[10]; // no need when LayoutKind.Explicit
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[FieldOffset(56)] public HidProtocolRange Range;
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[FieldOffset(56)] public HidProtocolNotRange NotRange;
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}
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struct HidProtocolCaps
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{
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public short Usage;
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public short UsagePage;
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public ushort InputReportByteLength;
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public ushort OutputReportByteLength;
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public ushort FeatureReportByteLength;
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unsafe fixed ushort Reserved[17];
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public ushort NumberLinkCollectionNodes;
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public ushort NumberInputButtonCaps;
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public ushort NumberInputValueCaps;
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public ushort NumberInputDataIndices;
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public ushort NumberOutputButtonCaps;
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public ushort NumberOutputValueCaps;
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public ushort NumberOutputDataIndices;
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public ushort NumberFeatureButtonCaps;
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public ushort NumberFeatureValueCaps;
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public ushort NumberFeatureDataIndices;
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}
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[StructLayout(LayoutKind.Explicit)]
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public struct HidProtocolData
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{
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[FieldOffset(0)] public short DataIndex;
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//[FieldOffset(2)] public short Reserved;
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[FieldOffset(4)] public int RawValue;
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[FieldOffset(4), MarshalAs(UnmanagedType.U1)] public bool On;
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}
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struct HidProtocolNotRange
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{
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public short Usage;
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short Reserved1;
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public short StringIndex;
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short Reserved2;
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public short DesignatorIndex;
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short Reserved3;
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public short DataIndex;
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short Reserved4;
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}
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struct HidProtocolRange
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{
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public short UsageMin;
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public short UsageMax;
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public short StringMin;
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public short StringMax;
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public short DesignatorMin;
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public short DesignatorMax;
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public short DataIndexMin;
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public short DataIndexMax;
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}
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[StructLayout(LayoutKind.Explicit)]
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struct HidProtocolValueCaps
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{
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[FieldOffset(0)] public HIDPage UsagePage;
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[FieldOffset(2)] public byte ReportID;
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[FieldOffset(3), MarshalAs(UnmanagedType.U1)] public bool IsAlias;
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[FieldOffset(4)] public ushort BitField;
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[FieldOffset(6)] public ushort LinkCollection;
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[FieldOffset(8)] public ushort LinkUsage;
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[FieldOffset(10)] public ushort LinkUsagePage;
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[FieldOffset(12), MarshalAs(UnmanagedType.U1)] public bool IsRange;
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[FieldOffset(13), MarshalAs(UnmanagedType.U1)] public bool IsStringRange;
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[FieldOffset(14), MarshalAs(UnmanagedType.U1)] public bool IsDesignatorRange;
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[FieldOffset(15), MarshalAs(UnmanagedType.U1)] public bool IsAbsolute;
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[FieldOffset(16), MarshalAs(UnmanagedType.U1)] public bool HasNull;
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[FieldOffset(17)] byte Reserved;
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[FieldOffset(18)] public short BitSize;
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[FieldOffset(20)] public short ReportCount;
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//[FieldOffset(22)] ushort Reserved2a;
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//[FieldOffset(24)] ushort Reserved2b;
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//[FieldOffset(26)] ushort Reserved2c;
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//[FieldOffset(28)] ushort Reserved2d;
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//[FieldOffset(30)] ushort Reserved2e;
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[FieldOffset(32)] public int UnitsExp;
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[FieldOffset(36)] public int Units;
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[FieldOffset(40)] public int LogicalMin;
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[FieldOffset(44)] public int LogicalMax;
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[FieldOffset(48)] public int PhysicalMin;
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[FieldOffset(52)] public int PhysicalMax;
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[FieldOffset(56)] public HidProtocolRange Range;
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[FieldOffset(56)] public HidProtocolNotRange NotRange;
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}
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}
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