void ExceptionHelper::ThrowOnWinapiError(bool isFatal)
{
const int lastError = GetLastError();
const wstring message = StringUtilities::Format(L"Error calling WINAPI function. Error code: %d.", lastError);
if (isFatal)
{
throw SelectedTextTranslateFatalException(message);
}
else
{
throw SelectedTextTranslateException(message);
}
}
void ExceptionHelper::ThrowOnGdiPlusError(Gdiplus::Status status, bool isFatal)
{
if(status != Gdiplus::Ok)
{
const wstring message = StringUtilities::Format(L"Error calling GDI+ function. Status: %d.", status);
if (isFatal)
{
throw SelectedTextTranslateFatalException(message);
}
else
{
throw SelectedTextTranslateException(message);
}
}
}
void NativeWindowHolder::Initialize()
{
WNDCLASSEX windowClass = { 0 };
if(className == nullptr)
{
throw SelectedTextTranslateFatalException(L"Window class name should be provided.");
}
if (!GetClassInfoEx(instance, className, &windowClass))
{
windowClass.hInstance = instance;
windowClass.lpszClassName = className;
windowClass.lpfnWndProc = WindowProcedureWrapper;
windowClass.cbSize = sizeof(WNDCLASSEX);
windowClass.hCursor = LoadCursor(nullptr, IDC_ARROW);
windowClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
SpecifyWindowClass(&windowClass);
AssertCriticalWinApiResult(RegisterClassEx(&windowClass));
}
}
