private IntPtr SetHook(DLLImport.HookProc proc)
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule) {
return(DLLImport.SetWindowsHookEx(Constants.WH_KEYBOARD_LL, proc,
DLLImport.GetModuleHandle(curModule.ModuleName), 0));
}
}
public InterceptKeys()
{
Task.Run(() => {
_proc = HookCallback;
_hookID = SetHook(_proc);
Application.Run();
DLLImport.UnhookWindowsHookEx(_hookID);
});
}
private IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
int vkCode = Marshal.ReadInt32(lParam);
HandleKey?.Invoke((Keys)vkCode, wParam == (IntPtr)Constants.WM_KEYDOWN);
}
return(DLLImport.CallNextHookEx(_hookID, nCode, wParam, lParam));
}