The name of the definitionfile is important since, by convention, it will be used for the name of the resource.
定义文件的名称非常重要，因为根据约定，此名称将用于资源的名称。
2
The function can have any name and must be declared in the EXPORTS function of the module definition (def) file with an ordinal value of 1.
该函数可以拥有任何名称，但必须在模块定义(DEF)文件的exports函数中用序数值1来声明它。
3
Note that the ringtone should be in RTX format (a XML file that contains the ringtone name and the definition of the ringtone) while the image should be in JPEG, GIF or PNG format.