mirror of
https://github.com/Ylianst/MeshCentralRouter
synced 2025-12-06 00:13:33 +00:00
57 lines
2.1 KiB
C#
57 lines
2.1 KiB
C#
/*
|
|
|
|
credit to https://github.com/shanselman/babysmash
|
|
|
|
Copyright (c) 2015 Scott Hanselman
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
*/
|
|
|
|
using System;
|
|
using System.Diagnostics;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace MeshCentralRouter
|
|
{
|
|
internal class KVMKeyboardHook
|
|
{
|
|
#region Delegates
|
|
|
|
public delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
|
|
|
|
#endregion
|
|
|
|
private const int WH_KEYBOARD_LL = 13;
|
|
private const int WM_KEYDOWN = 0x0100;
|
|
|
|
public static IntPtr SetHook(LowLevelKeyboardProc proc)
|
|
{
|
|
using (Process curProcess = Process.GetCurrentProcess())
|
|
using (ProcessModule curModule = curProcess.MainModule)
|
|
{
|
|
return SetWindowsHookEx(WH_KEYBOARD_LL, proc, GetModuleHandle(curModule.ModuleName), 0);
|
|
}
|
|
}
|
|
|
|
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
private static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);
|
|
|
|
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
[return: MarshalAs(UnmanagedType.Bool)]
|
|
public static extern bool UnhookWindowsHookEx(IntPtr hhk);
|
|
|
|
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
|
|
|
|
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
private static extern IntPtr GetModuleHandle(string lpModuleName);
|
|
}
|
|
} |