internal bool PostMessage(SDL_EventType msg, IntPtr wParam, IntPtr lParam)
{
if (_threadId > 0 && _thread.IsAlive)
{
bool result = Native.PostThreadMessage(_threadId, WM_(msg), wParam, lParam);
if (!result)
{
Debug.WriteLine($"向{_threadId}线程发送消息失败：{Native.GetLastError()}");
}
return(result);
}
Debug.WriteLine($"无法向{_threadId}线程发送消息，目标线程当前状态为{_thread.ThreadState}");
return(false);
}
static uint WM_(SDL_EventType msg) => Native.WM_USER + (uint)msg;
internal bool PostMessage(SDL_EventType msg) => PostMessage(msg, IntPtr.Zero, IntPtr.Zero);
/* Get the state of an event */
public static byte SDL_GetEventState(SDL_EventType type)
{
return SDL_EventState(type, SDL_QUERY);
}
public static extern byte SDL_EventState(SDL_EventType type, int state);
public static extern void SDL_FlushEvent(SDL_EventType type);
public static extern SDL_bool SDL_HasEvent(SDL_EventType type);
