Selection is one of the fundamental tasks of user interaction in VR. Currently, the most popular selection technique is ray-casting, but whether ray-casting is the most appropriate selection method for 2D selection in VR is questionable due to its inherent limitations. To address the issues associated with ray-casting, we proposed the VRMouse, a new technique that emulates the mouse with the VR controller. VRMouse transforms the VR controller into a mouse by restricting its six degrees of freedom to two and simulating 2D desktop-like cursor control. We evaluated the technique against ray-casting in an experiment based on ISO 9241-9. Results indicated that VRMouse excelled over the ray-casting, in terms of accuracy, comfort, and satisfaction. The findings of this preliminary study imply that the proposed VRMouse technique could enhance 2D selection performance in VR.