private static void LazyInitLibrary()
{
if (_dllAddress != IntPtr.Zero)
{
return;
}
// need absolute path for LoadLibraryW
var path = Path.GetFullPath(DLLPath);
if (!File.Exists(DLLPath))
{
throw new InvalidOperationException($"Hand2Note Api dll \"{path}\" doesn't exist");
}
var addr = WinApiHelper.LoadLibraryW(path);
if (addr == IntPtr.Zero)
{
throw new InvalidOperationException($"Failed to load library \"{path}\": {WinApiHelper.GetLastError()}");
}
_h2nIsRunning = (h2n_is_running)LoadDelegate <h2n_is_running>(addr, "h2n_is_running");
_h2nMakeTableName = (h2n_make_table_name)LoadDelegate <h2n_make_table_name>(addr, "h2n_make_table_name");
_h2nFreeCString = (h2n_free_cstring)LoadDelegate <h2n_free_cstring>(addr, "h2n_free_cstring");
_h2nSendHandHistory = (h2n_send_handhistory)LoadDelegate <h2n_send_handhistory>(addr, "h2n_send_handhistory");
_h2nSendHandStart = (h2n_send_hand_start)LoadDelegate <h2n_send_hand_start>(addr, "h2n_send_hand_start");
_h2nSendHandAction = (h2n_send_action)LoadDelegate <h2n_send_action>(addr, "h2n_send_action");
_h2nSendHandStreet = (h2n_send_street)LoadDelegate <h2n_send_street>(addr, "h2n_send_street");
_h2nSendCommand = (h2n_send_command)LoadDelegate <h2n_send_command>(addr, "h2n_send_command");
_dllAddress = addr;
}
