99 lines
3.3 KiB
C#
99 lines
3.3 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Drawing;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace CC_Functions.W32
|
|
{
|
|
public sealed class MouseHook : IDisposable
|
|
{
|
|
public delegate void mouseEvent(MouseHookEventArgs _args);
|
|
|
|
public enum MouseMessages
|
|
{
|
|
WM_LBUTTONDOWN = 0x0201,
|
|
WM_LBUTTONUP = 0x0202,
|
|
WM_MOUSEMOVE = 0x0200,
|
|
WM_MOUSEWHEEL = 0x020A,
|
|
WM_RBUTTONDOWN = 0x0204,
|
|
WM_RBUTTONUP = 0x0205
|
|
}
|
|
|
|
private const int WH_MOUSE_LL = 14;
|
|
|
|
private static readonly List<MouseHook> instances = new List<MouseHook>();
|
|
private static readonly LowLevelMouseProc _proc = HookCallback;
|
|
private static IntPtr _hookID = IntPtr.Zero;
|
|
|
|
public MouseHook()
|
|
{
|
|
if (instances.Count == 0)
|
|
_hookID = SetHook(_proc);
|
|
instances.Add(this);
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
instances.Remove(this);
|
|
if (instances.Count == 0)
|
|
UnhookWindowsHookEx(_hookID);
|
|
}
|
|
|
|
public event mouseEvent OnMouse;
|
|
|
|
private static IntPtr SetHook(LowLevelMouseProc proc)
|
|
{
|
|
using (var curProcess = Process.GetCurrentProcess())
|
|
using (var curModule = curProcess.MainModule)
|
|
{
|
|
return SetWindowsHookEx(WH_MOUSE_LL, proc, GetModuleHandle(curModule.ModuleName), 0);
|
|
}
|
|
}
|
|
|
|
private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
|
|
{
|
|
if (nCode >= 0)
|
|
{
|
|
var hookStruct = (MSLLHOOKSTRUCT) Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT));
|
|
for (var i = 0; i < instances.Count; i++)
|
|
instances[i].OnMouse?.Invoke(new MouseHookEventArgs(new Point(hookStruct.pt.x, hookStruct.pt.y),
|
|
(MouseMessages) wParam));
|
|
}
|
|
|
|
return CallNextHookEx(_hookID, nCode, wParam, lParam);
|
|
}
|
|
|
|
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
private static extern IntPtr SetWindowsHookEx(int idHook, LowLevelMouseProc lpfn, IntPtr hMod, uint dwThreadId);
|
|
|
|
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
[return: MarshalAs(UnmanagedType.Bool)]
|
|
private static extern bool UnhookWindowsHookEx(IntPtr hhk);
|
|
|
|
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|
private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
|
|
|
|
[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
|
|
private static extern IntPtr GetModuleHandle(string lpModuleName);
|
|
|
|
private delegate IntPtr LowLevelMouseProc(int nCode, IntPtr wParam, IntPtr lParam);
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
private struct POINT
|
|
{
|
|
public readonly int x;
|
|
public readonly int y;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
private struct MSLLHOOKSTRUCT
|
|
{
|
|
public readonly POINT pt;
|
|
public readonly uint mouseData;
|
|
public readonly uint flags;
|
|
public readonly uint time;
|
|
public readonly IntPtr dwExtraInfo;
|
|
}
|
|
}
|
|
} |