private int JournalPlaybackHook_Callback(int code, IntPtr wParam, IntPtr lParam, ref bool callNext)
{
if (code == HC_GETNEXT)
{
callNext = false;
int tick = Environment.TickCount;
if (nextEventTime > tick)
{
return(nextEventTime - tick);
}
if (nextEvent == null)
{
nextEventTime = 0;
nextEvent = GetNextJournalMessage(ref nextEventTime);
if (nextEventTime <= tick)
{
if (nextEvent == null)
{
// shutdown the hook
Unhook();
return(1);
}
nextEventTime = nextEvent.Time;
}
if (nextEventTime > tick)
{
return(nextEventTime - tick);
}
}
// now we have the next event, which should be sent
EVENTMSG em = (EVENTMSG)Marshal.PtrToStructure(lParam, typeof(EVENTMSG));
em.hWnd = nextEvent.HWnd;
em.time = nextEvent.Time;
em.message = nextEvent.Message;
em.paramH = nextEvent.ParamH;
em.paramL = nextEvent.ParamL;
Marshal.StructureToPtr(em, lParam, false);
return(0);
}
if (code == HC_SKIP)
{
nextEvent = null;
nextEventTime = 0;
}
else if (code == HC_SYSMODALON)
{
SystemModalDialogAppeared?.Invoke(this, EventArgs.Empty);
}
else if (code == HC_SYSMODALOFF)
{
SystemModalDialogDisappeared?.Invoke(this, EventArgs.Empty);
}
return(0);
}
private int JournalRecordHook_Callback(int code, IntPtr wParam, IntPtr lParam, ref bool callNext)
{
if (code == HC_ACTION)
{
EVENTMSG em = (EVENTMSG)Marshal.PtrToStructure(lParam, typeof(EVENTMSG));
JournalMessage jm = JournalMessage.Create(em);
RecordEvent?.Invoke(this, new JournalRecordEventArgs(jm));
}
else if (code == HC_SYSMODALON)
{
SystemModalDialogAppeared?.Invoke(this, EventArgs.Empty);
}
else if (code == HC_SYSMODALOFF)
{
SystemModalDialogDisappeared?.Invoke(this, EventArgs.Empty);
}
return(0);
}
