我对RegQueryValueEx()函数有疑问当我使用它时，它用0填充*lpDataLONGWINAPIRegQueryValueEx(_In_HKEYhKey,_In_opt_LPCTSTRlpValueName,_Reserved_LPDWORDlpReserved,_Out_opt_LPDWORDlpType,_Out_opt_LPBYTElpData,_Inout_opt_LPDWORDlpcbData);这是不起作用的代码#include#includeintmain(){HKEYhKey=NULL;DWORDdata=42;DWORDtype=REG_DWORD;DWOR