It's a generated file for designer efficiency, you can ignore it in source control:
File created by Microsoft Visual C++, a software development application; stores the binary representation of a resource included with the project; enables the application to load resources more quickly.
http://fileinfo.com/extension/aps
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…