Regdbgetkeyvalueex function Use error error 1 numeric value required

　Reference: http://evely.blog.51cto.com/1089422/1400965

　　Regdbgetkeyvalueex function:

Installsheild Script Code

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STRING Szkey, SzName, Svvalue; Number nvsize; Regdbsetdefaultroot (HKEY_LOCAL_MACHINE); Szkey = "\\SOFTWARE\\Wow6432Node\\Office\\" + ifx_product_version; SzName = "Word"; Regdbgetkeyvalueex (Szkey, SzName, regdb_string, Svvalue, nvsize);

　　Compile error:

Error 1 numeric value required  

For regdb_string cannot be written directly in the Regdbgetkeyvalueex function, a variable is required instead of the regdb_string

Modified to:

Installsheild Script Code

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string szkey, szname, svvalue; number nvsize,nvtype; Regdbsetdefaultroot (HKEY_LOCAL_MACHINE); Szkey =  "\\SOFTWARE\\Wow6432Node\\Office\\"  + ifx_product_version; szname =  "Word" ; Nvtype = regdb_string ;    REGDBGETKEYVALUEEX  ( szKey, szName, nvType, svValue, nvSize );

Regdbgetkeyvalueex function uses error error 1 numeric value required