Will Vale

For context, using some properties with `SDL_CreateProcessWithProperties` needs the following ``` SDL_PropertiesID props = SDL_CreateProperties(); SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, params.begin()); SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDIN_NUMBER, SDL_PROCESS_STDIO_NULL); SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDOUT_NUMBER, SDL_PROCESS_STDIO_NULL); SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_NUMBER, SDL_PROCESS_STDIO_NULL); SDL_SetBooleanProperty(props, SDL_PROP_PROCESS_CREATE_BACKGROUND_BOOLEAN, true);...

Thanks! No rush from my end. I haven't contributed anything here before but if there's a way I can help out I'd be happy to do that.

That's an interesting idea, and would definitely be more efficient while still staying within the property bag API - assuming that reading from the static properties is reasonably efficient. I'm...

@icculus that last thing would be perfect for me, ideally as an opt-in "please give me properties" to suit the common case. Thanks! I'll have a go with `CreateTemporaryProperties` and...