public static bool HookMouse()
{
if (MouseHookRegistered)
{
return(true);
}
bool result = false;
_mouse = (int code, IntPtr wParam, IntPtr lParam) =>
{
NativeMethods.WMessages msg = (NativeMethods.WMessages)wParam;
// If the code is less than 0, Windows want it to be processed without touching..
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms644985(v=vs.85).aspx
if (code < 0 || msg != NativeMethods.WMessages.XButtonDown)
{
return(NativeMethods.CallNextHookEx(IntPtr.Zero, code, wParam, lParam));
}
MSLLHOOKSTRUCT data = Marshal.PtrToStructure <MSLLHOOKSTRUCT>(lParam);
int xButton = data.mouseData >> 16;
var button = (XMouseButtons)xButton;
var asKeys = button == XMouseButtons.XButton1 ? Keys.XButton1 : Keys.XButton2;
MouseInputArgs args = new MouseInputArgs(msg, lParam, asKeys);
OnMouseButtonInputChanged(null, args);
if (args.Suppress)
{
return((IntPtr)1);
}
// Console.WriteLine($"{data.mouseData.ToString("X4")}");
return(NativeMethods.CallNextHookEx(IntPtr.Zero, code, wParam, lParam));
};
IntPtr hook = NativeMethods.SetWindowsHookEx(NativeMethods.HookType.WH_MOUSE_LL, _mouse, IntPtr.Zero, 0);
var myerror = Marshal.GetLastWin32Error();
if (hook == IntPtr.Zero)
{
// Write to file?
// myerror
}
else
{
MouseHook = hook;
result = true;
MouseHookRegistered = true;
}
return(result);
}
public MouseInputArgs(NativeMethods.WMessages wparam, IntPtr lparam, Keys key)
{
LParam = lparam;
WParam = wparam;
Key = key;
}
