Improve error handling.

1 files changed, 3 insertions, 2 deletions

diff --git a/c/data.cpp b/c/data.cpp
index a75111a..32e059f 100644
--- a/c/data.cpp
+++ b/c/data.cpp
@@ -118,7 +118,7 @@ void WaitFor(Window& window, void (*f)(unsigned char*))
 
 	static auto procThread = [](void (*f)(unsigned char*)) noexcept -> void
 	{
-		SET_TERMINATE;
+		std::set_terminate(OnTerminate);
 		while (!(sig & READY))
 			Sleep(100);
 		sig = 0;
@@ -152,7 +152,8 @@ void WaitFor(Window& window, void (*f)(unsigned char*))
 	s_window = &window;
 	std::thread(procThread, f).detach();
 	s_window->Status(L".", 1);
-	Prefer(iTimer = SetTimer(nullptr, iTimer, 500, procTimer));
+	if (!(iTimer = SetTimer(nullptr, iTimer, 500, procTimer)))
+		throw Err(WINDOWS, L"Timer could not be started: %s");
 }
 
 void FetchData(unsigned char* sig)