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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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public class InterceptionWrapper
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{
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private readonly IntPtr _deviceContext;
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private Thread _watcherThread;
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private bool _watcherThreadRunning = false;
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private readonly bool _filterState = false;
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private readonly Dictionary<int, List<Mapping>> _mappings = new Dictionary<int, List<Mapping>>();
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public InterceptionWrapper()
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{
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_deviceContext = CreateContext();
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}
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public string Test()
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{
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return "OK";
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}
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public string GetDeviceList()
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{
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var str = "Devices:\n";
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for (var i = 1; i < 11; i++)
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{
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var handle = GetHardwareStr(_deviceContext, i, 1000);
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int foundVid = 0, foundPid = 0;
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GetVidPid(handle, ref foundVid, ref foundPid);
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if (foundVid == 0 || foundPid == 0)
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{
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break;
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}
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str += $"ID: {i}, VID: 0x{foundVid:X}, PID: 0x{foundPid:X}\n";
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}
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return str;
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}
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public bool SubscribeKey(uint code, bool block, dynamic callback, int vid = 0, int pid = 0)
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{
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SetFilterState(false);
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var id = 0;
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if (vid != 0 && pid != 0)
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{
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id = GetDeviceId(vid, pid);
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}
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if (id == 0) return false;
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if (!_mappings.ContainsKey(id))
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{
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_mappings.Add(id, new List<Mapping>());
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}
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_mappings[id].Add(new Mapping() { code = Convert.ToUInt16(code), block = block, callback = callback });
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SetFilterState(true);
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if (!_watcherThreadRunning)
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{
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_watcherThreadRunning = true;
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_watcherThread = new Thread(WatcherThread);
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_watcherThread.Start();
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}
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return true;
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}
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~InterceptionWrapper()
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{
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DestroyContext(_deviceContext);
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}
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public int GetDeviceId(int vid, int pid)
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{
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for (var i = 1; i < 11; i++)
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{
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var handle = GetHardwareStr(_deviceContext, i, 1000);
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int foundVid = 0, foundPid = 0;
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GetVidPid(handle, ref foundVid, ref foundPid);
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if (foundVid == vid && foundPid == pid)
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{
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return i;
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}
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}
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return 0;
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}
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private static void GetVidPid(string str, ref int vid, ref int pid)
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{
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MatchCollection matches = Regex.Matches(str, @"VID_(\w{4})&PID_(\w{4})");
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if ((matches.Count > 0) && (matches[0].Groups.Count > 1))
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{
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vid = Convert.ToInt32(matches[0].Groups[1].Value, 16);
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pid = Convert.ToInt32(matches[0].Groups[2].Value, 16);
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}
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}
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private int IsMonitoredKeyboard(int device)
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{
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return Convert.ToInt32(_mappings.ContainsKey(device));
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}
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private void SetFilterState(bool state)
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{
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if (state && !_filterState)
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{
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SetFilter(_deviceContext, IsMonitoredKeyboard, Filter.All);
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}
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else if (!state && _filterState)
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{
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SetFilter(_deviceContext, IsMonitoredKeyboard, Filter.None);
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}
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}
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private void WatcherThread()
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{
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Stroke stroke = new Stroke();
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//int device = Wait(deviceContext);
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while (true)
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{
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for (var i = 1; i < 11; i++)
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{
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var isMonitoredKeyboard = _mappings.ContainsKey(i);
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while (Receive(_deviceContext, i, ref stroke, 1) > 0)
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{
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var block = false;
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if (isMonitoredKeyboard)
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{
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foreach (var mapping in _mappings[i])
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{
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if (stroke.key.code != mapping.code) continue;
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if (mapping.block)
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{
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block = true;
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}
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mapping.callback(1 - stroke.key.state);
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break;
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}
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}
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if (!block)
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{
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Send(_deviceContext, i, ref stroke, 1);
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}
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}
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}
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Thread.Sleep(10);
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}
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}
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private class Mapping
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{
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public ushort code;
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public bool block = false;
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public dynamic callback;
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}
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate int Predicate(int device);
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/*
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typedef void *InterceptionContext;
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typedef int InterceptionDevice;
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typedef int InterceptionPrecedence;
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typedef unsigned short InterceptionFilter;
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typedef int (*InterceptionPredicate)(InterceptionDevice device);
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*/
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[Flags]
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public enum KeyState
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{
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Down = 0x00,
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Up = 0x01,
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E0 = 0x02,
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E1 = 0x04,
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TermsrvSetLED = 0x08,
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TermsrvShadow = 0x10,
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TermsrvVKPacket = 0x20
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/*
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enum InterceptionKeyState
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INTERCEPTION_KEY_DOWN = 0x00,
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INTERCEPTION_KEY_UP = 0x01,
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INTERCEPTION_KEY_E0 = 0x02,
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INTERCEPTION_KEY_E1 = 0x04,
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INTERCEPTION_KEY_TERMSRV_SET_LED = 0x08,
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INTERCEPTION_KEY_TERMSRV_SHADOW = 0x10,
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INTERCEPTION_KEY_TERMSRV_VKPACKET = 0x20
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*/
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}
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[Flags]
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public enum MouseState
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{
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LeftButtonDown = 0x001,
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LeftButtonUp = 0x002,
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RightButtonDown = 0x004,
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RightButtonUp = 0x008,
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MiddleButtonDown = 0x010,
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MiddleButtonUp = 0x020,
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Button1Down = LeftButtonDown,
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Button1Up = LeftButtonUp,
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Button2Down = RightButtonDown,
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Button2Up = RightButtonUp,
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Button3Down = MiddleButtonDown,
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Button3Up = MiddleButtonUp,
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Button4Down = 0x040,
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Button4Up = 0x080,
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Button5Down = 0x100,
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Button5Up = 0x200,
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Wheel = 0x400,
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HWheel = 0x800
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/*
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enum InterceptionMouseState
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{
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INTERCEPTION_MOUSE_LEFT_BUTTON_DOWN = 0x001,
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INTERCEPTION_MOUSE_LEFT_BUTTON_UP = 0x002,
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INTERCEPTION_MOUSE_RIGHT_BUTTON_DOWN = 0x004,
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INTERCEPTION_MOUSE_RIGHT_BUTTON_UP = 0x008,
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INTERCEPTION_MOUSE_MIDDLE_BUTTON_DOWN = 0x010,
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INTERCEPTION_MOUSE_MIDDLE_BUTTON_UP = 0x020,
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INTERCEPTION_MOUSE_BUTTON_1_DOWN = INTERCEPTION_MOUSE_LEFT_BUTTON_DOWN,
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INTERCEPTION_MOUSE_BUTTON_1_UP = INTERCEPTION_MOUSE_LEFT_BUTTON_UP,
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INTERCEPTION_MOUSE_BUTTON_2_DOWN = INTERCEPTION_MOUSE_RIGHT_BUTTON_DOWN,
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INTERCEPTION_MOUSE_BUTTON_2_UP = INTERCEPTION_MOUSE_RIGHT_BUTTON_UP,
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INTERCEPTION_MOUSE_BUTTON_3_DOWN = INTERCEPTION_MOUSE_MIDDLE_BUTTON_DOWN,
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INTERCEPTION_MOUSE_BUTTON_3_UP = INTERCEPTION_MOUSE_MIDDLE_BUTTON_UP,
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INTERCEPTION_MOUSE_BUTTON_4_DOWN = 0x040,
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INTERCEPTION_MOUSE_BUTTON_4_UP = 0x080,
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INTERCEPTION_MOUSE_BUTTON_5_DOWN = 0x100,
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INTERCEPTION_MOUSE_BUTTON_5_UP = 0x200,
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INTERCEPTION_MOUSE_WHEEL = 0x400,
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INTERCEPTION_MOUSE_HWHEEL = 0x800
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};
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*/
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}
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[Flags]
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public enum Filter : ushort
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{
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None = 0x0000,
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All = 0xFFFF,
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KeyDown = KeyState.Up,
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KeyUp = KeyState.Up << 1,
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KeyE0 = KeyState.E0 << 1,
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KeyE1 = KeyState.E1 << 1,
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KeyTermsrvSetLED = KeyState.TermsrvSetLED << 1,
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KeyTermsrvShadow = KeyState.TermsrvShadow << 1,
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KeyTermsrvVKPacket = KeyState.TermsrvVKPacket << 1,
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/*
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enum InterceptionFilterKeyState
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INTERCEPTION_FILTER_KEY_NONE = 0x0000,
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INTERCEPTION_FILTER_KEY_ALL = 0xFFFF,
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INTERCEPTION_FILTER_KEY_DOWN = INTERCEPTION_KEY_UP,
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INTERCEPTION_FILTER_KEY_UP = INTERCEPTION_KEY_UP << 1,
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INTERCEPTION_FILTER_KEY_E0 = INTERCEPTION_KEY_E0 << 1,
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INTERCEPTION_FILTER_KEY_E1 = INTERCEPTION_KEY_E1 << 1,
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INTERCEPTION_FILTER_KEY_TERMSRV_SET_LED = INTERCEPTION_KEY_TERMSRV_SET_LED << 1,
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INTERCEPTION_FILTER_KEY_TERMSRV_SHADOW = INTERCEPTION_KEY_TERMSRV_SHADOW << 1,
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INTERCEPTION_FILTER_KEY_TERMSRV_VKPACKET = INTERCEPTION_KEY_TERMSRV_VKPACKET << 1
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*/
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// enum InterceptionFilterMouseState
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//MOUSE_NONE = 0x0000,
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//MOUSE_ALL = 0xFFFF,
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MouseMove = 0x1000,
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MouseLeftButtonDown = MouseState.LeftButtonDown,
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MouseLeftButtonUp = MouseState.LeftButtonUp,
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MouseRightButtonDown = MouseState.RightButtonDown,
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MouseRightButtonUp = MouseState.RightButtonUp,
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MouseMiddleButtonDown = MouseState.MiddleButtonDown,
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MouseMiddleButtonUp = MouseState.MiddleButtonUp,
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MouseButton1Down = MouseState.Button1Down,
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MouseButton1Up = MouseState.Button1Up,
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MouseButton2Down = MouseState.Button2Down,
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MouseButton2Up = MouseState.Button2Up,
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MouseButton3Down = MouseState.Button3Down,
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MouseButton3Up = MouseState.Button3Up,
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MouseButton4Down = MouseState.Button4Down,
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MouseButton4Up = MouseState.Button4Up,
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MouseButton5Down = MouseState.Button5Down,
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MouseButton5Up = MouseState.Button5Up,
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MouseButtonAnyDown = MouseState.Button1Down | MouseState.Button2Down | MouseState.Button3Down | MouseState.Button4Down | MouseState.Button5Down,
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MouseButtonAnyUp = MouseState.Button1Up | MouseState.Button2Up | MouseState.Button3Up | MouseState.Button4Up | MouseState.Button5Up,
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MouseWheel = MouseState.Wheel,
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MouseHWheel = MouseState.HWheel
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/*
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enum InterceptionFilterMouseState
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{
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INTERCEPTION_FILTER_MOUSE_NONE = 0x0000,
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INTERCEPTION_FILTER_MOUSE_ALL = 0xFFFF,
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INTERCEPTION_FILTER_MOUSE_LEFT_BUTTON_DOWN = INTERCEPTION_MOUSE_LEFT_BUTTON_DOWN,
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INTERCEPTION_FILTER_MOUSE_LEFT_BUTTON_UP = INTERCEPTION_MOUSE_LEFT_BUTTON_UP,
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INTERCEPTION_FILTER_MOUSE_RIGHT_BUTTON_DOWN = INTERCEPTION_MOUSE_RIGHT_BUTTON_DOWN,
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INTERCEPTION_FILTER_MOUSE_RIGHT_BUTTON_UP = INTERCEPTION_MOUSE_RIGHT_BUTTON_UP,
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INTERCEPTION_FILTER_MOUSE_MIDDLE_BUTTON_DOWN = INTERCEPTION_MOUSE_MIDDLE_BUTTON_DOWN,
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INTERCEPTION_FILTER_MOUSE_MIDDLE_BUTTON_UP = INTERCEPTION_MOUSE_MIDDLE_BUTTON_UP,
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INTERCEPTION_FILTER_MOUSE_BUTTON_1_DOWN = INTERCEPTION_MOUSE_BUTTON_1_DOWN,
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INTERCEPTION_FILTER_MOUSE_BUTTON_1_UP = INTERCEPTION_MOUSE_BUTTON_1_UP,
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INTERCEPTION_FILTER_MOUSE_BUTTON_2_DOWN = INTERCEPTION_MOUSE_BUTTON_2_DOWN,
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INTERCEPTION_FILTER_MOUSE_BUTTON_2_UP = INTERCEPTION_MOUSE_BUTTON_2_UP,
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INTERCEPTION_FILTER_MOUSE_BUTTON_3_DOWN = INTERCEPTION_MOUSE_BUTTON_3_DOWN,
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INTERCEPTION_FILTER_MOUSE_BUTTON_3_UP = INTERCEPTION_MOUSE_BUTTON_3_UP,
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INTERCEPTION_FILTER_MOUSE_BUTTON_4_DOWN = INTERCEPTION_MOUSE_BUTTON_4_DOWN,
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INTERCEPTION_FILTER_MOUSE_BUTTON_4_UP = INTERCEPTION_MOUSE_BUTTON_4_UP,
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INTERCEPTION_FILTER_MOUSE_BUTTON_5_DOWN = INTERCEPTION_MOUSE_BUTTON_5_DOWN,
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INTERCEPTION_FILTER_MOUSE_BUTTON_5_UP = INTERCEPTION_MOUSE_BUTTON_5_UP,
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INTERCEPTION_FILTER_MOUSE_WHEEL = INTERCEPTION_MOUSE_WHEEL,
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INTERCEPTION_FILTER_MOUSE_HWHEEL = INTERCEPTION_MOUSE_HWHEEL,
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INTERCEPTION_FILTER_MOUSE_MOVE = 0x1000
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};
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*/
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}
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[Flags]
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public enum MouseFlag : ushort
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{
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MouseMoveRelative = 0x000,
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MouseMoveAbsolute = 0x001,
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MouseVirturalDesktop = 0x002,
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MouseAttributesChanged = 0x004,
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MouseMoveNocoalesce = 0x008,
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MouseTermsrvSrcShadow = 0x100
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/*
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enum InterceptionMouseFlag
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{
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INTERCEPTION_MOUSE_MOVE_RELATIVE = 0x000,
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INTERCEPTION_MOUSE_MOVE_ABSOLUTE = 0x001,
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INTERCEPTION_MOUSE_VIRTUAL_DESKTOP = 0x002,
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INTERCEPTION_MOUSE_ATTRIBUTES_CHANGED = 0x004,
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INTERCEPTION_MOUSE_MOVE_NOCOALESCE = 0x008,
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INTERCEPTION_MOUSE_TERMSRV_SRC_SHADOW = 0x100
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};
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*/
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct MouseStroke
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{
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public ushort state;
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public ushort flags;
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public short rolling;
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public int x;
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public int y;
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public uint information;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct KeyStroke
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{
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public ushort code;
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public ushort state;
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public uint information;
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}
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[StructLayout(LayoutKind.Explicit)]
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public struct Stroke
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{
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[FieldOffset(0)]
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public MouseStroke mouse;
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[FieldOffset(0)]
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public KeyStroke key;
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}
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[DllImport("interception.dll", EntryPoint = "interception_create_context", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr CreateContext();
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[DllImport("interception.dll", EntryPoint = "interception_destroy_context", CallingConvention = CallingConvention.Cdecl)]
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public static extern void DestroyContext(IntPtr context);
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|
[DllImport("interception.dll", EntryPoint = "interception_set_filter", CallingConvention = CallingConvention.Cdecl)]
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|
public static extern void SetFilter(IntPtr context, Predicate predicate, Filter filter);
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|
|
// public static extern void SetFilter(IntPtr context, Predicate predicate, ushort filter);
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|
|
// InterceptionFilter INTERCEPTION_API interception_get_filter(InterceptionContext context, InterceptionDevice device);
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|
|
[DllImport("interception.dll", EntryPoint = "interception_get_filter", CallingConvention = CallingConvention.Cdecl)]
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|
|
public static extern ushort GetFilter(IntPtr context, int device);
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|
[DllImport("interception.dll", EntryPoint = "interception_receive", CallingConvention = CallingConvention.Cdecl)]
|
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|
|
public static extern int Receive(IntPtr context, int device, ref Stroke stroke, uint nstroke);
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|
|
[DllImport("interception.dll", EntryPoint = "interception_send", CallingConvention = CallingConvention.Cdecl)]
|
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|
|
public static extern int Send(IntPtr context, int device, ref Stroke stroke, uint nstroke);
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|
|
[DllImport("interception.dll", EntryPoint = "interception_is_keyboard", CallingConvention = CallingConvention.Cdecl)]
|
|
|
|
|
public static extern int IsKeyboard(int device);
|
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|
|
[DllImport("interception.dll", EntryPoint = "interception_is_mouse", CallingConvention = CallingConvention.Cdecl)]
|
|
|
|
|
public static extern int IsMouse(int device);
|
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|
|
[DllImport("interception.dll", EntryPoint = "interception_is_invalid", CallingConvention = CallingConvention.Cdecl)]
|
|
|
|
|
public static extern int IsInvalid(int device);
|
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|
|
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|
|
//InterceptionDevice INTERCEPTION_API interception_wait(InterceptionContext context);
|
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|
|
[DllImport("interception.dll", EntryPoint = "interception_wait", CallingConvention = CallingConvention.Cdecl)]
|
|
|
|
|
public static extern int Wait(IntPtr context);
|
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|
|
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|
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|
|
//InterceptionDevice INTERCEPTION_API interception_wait_with_timeout(InterceptionContext context, unsigned long milliseconds);
|
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|
|
|
[DllImport("interception.dll", EntryPoint = "interception_wait_with_timeout", CallingConvention = CallingConvention.Cdecl)]
|
|
|
|
|
public static extern int WaitWithTimeout(int device, ulong milliseconds);
|
|
|
|
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|
|
|
|
|
// unsigned int INTERCEPTION_API interception_get_hardware_id(InterceptionContext context, InterceptionDevice device, void *hardware_id_buffer, unsigned int buffer_size);
|
|
|
|
|
[DllImport("interception.dll", EntryPoint = "interception_get_hardware_id", CallingConvention = CallingConvention.Cdecl)]
|
|
|
|
|
public static extern uint GetHardwareID(IntPtr context, int device, IntPtr hardwareidbuffer, uint buffersize);
|
|
|
|
|
// public static extern uint GetHardwareID(IntPtr context, int device, [MarshalAs(UnmanagedType.ByValArray,SizeConst=500)]char[] hardwareidbuffer, uint buffersize);
|
|
|
|
|
//public static extern uint GetHardwareID(IntPtr context, int device, ref _wchar_t[] hardwareidbuffer, uint buffersize);
|
|
|
|
|
|
|
|
|
|
public static string GetHardwareStr(IntPtr context, int device, int chars = 0)
|
|
|
|
|
{
|
|
|
|
|
if (chars == 0)
|
|
|
|
|
chars = 500;
|
|
|
|
|
String result = "";
|
|
|
|
|
IntPtr bufferptr = Marshal.StringToHGlobalUni(new string(new char[chars]));
|
|
|
|
|
uint length = GetHardwareID(context, device, bufferptr, (uint)(chars * sizeof(char)));
|
|
|
|
|
if (length > 0 && length < (chars * sizeof(char)))
|
|
|
|
|
result = Marshal.PtrToStringAuto(bufferptr);
|
|
|
|
|
Marshal.FreeHGlobal(bufferptr);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
InterceptionContext INTERCEPTION_API interception_create_context(void);
|
|
|
|
|
void INTERCEPTION_API interception_destroy_context(InterceptionContext context);
|
|
|
|
|
InterceptionPrecedence INTERCEPTION_API interception_get_precedence(InterceptionContext context, InterceptionDevice device);
|
|
|
|
|
void INTERCEPTION_API interception_set_precedence(InterceptionContext context, InterceptionDevice device, InterceptionPrecedence precedence);
|
|
|
|
|
InterceptionFilter INTERCEPTION_API interception_get_filter(InterceptionContext context, InterceptionDevice device);
|
|
|
|
|
void INTERCEPTION_API interception_set_filter(InterceptionContext context, InterceptionPredicate predicate, InterceptionFilter filter);
|
|
|
|
|
InterceptionDevice INTERCEPTION_API interception_wait(InterceptionContext context);
|
|
|
|
|
InterceptionDevice INTERCEPTION_API interception_wait_with_timeout(InterceptionContext context, unsigned long milliseconds);
|
|
|
|
|
int INTERCEPTION_API interception_send(InterceptionContext context, InterceptionDevice device, const InterceptionStroke *stroke, unsigned int nstroke);
|
|
|
|
|
int INTERCEPTION_API interception_receive(InterceptionContext context, InterceptionDevice device, InterceptionStroke *stroke, unsigned int nstroke);
|
|
|
|
|
unsigned int INTERCEPTION_API interception_get_hardware_id(InterceptionContext context, InterceptionDevice device, void *hardware_id_buffer, unsigned int buffer_size);
|
|
|
|
|
int INTERCEPTION_API interception_is_invalid(InterceptionDevice device);
|
|
|
|
|
int INTERCEPTION_API interception_is_keyboard(InterceptionDevice device);
|
|
|
|
|
int INTERCEPTION_API interception_is_mouse(InterceptionDevice device);
|
|
|
|
|
*/
|
|
|
|
|
}
|
Clive Galway
6 years ago