To solve the error of T2a w2a a2w, error c2065:_ LPW “: undeclared identifier

When T2a w2a a2w is used directly, an error will be reported during compilation: error c2065: “if the_ LPW “: undeclared identifier, etc

resolvent:

Add header file

 #include<atlconv.h>

And add the statement uses before using T2a, etc_ CONVERSION;


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