CString &strEventType;如何初始化strEventType

CString &strEventType;怎么初始化strEventType
CString &strEventType;
程序这样写，运行出错说strEventType没有初始化，请问要怎么初始化

[解决办法]
CString str;
CString &strEventType=str;
[解决办法]

C/C++ code

CString &strEventType;