摘要:BSTR bstrName = OLESTR("Test String");BSTR b1 = bstrName;BSTR b2 = bstrName;bstrName = OLESR("Test String1");以上代码,结果 b1,b2都为Test String;1 CComVariant variant =OLESTR("Test String");2 BSTR b1 = variant;3 variant = OLESTR("Test String1“);4 BSTR b2 = variant;此时,b1,b2都
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