how to calculate the size of feature in installshield project

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I want to calculate the size of feature DLLs(dll+exe+xml) in installshield project to set the size into the programms and feature in control panel.
code is..

function OnEnd()
STRING szInstallLocation,str;
NUMBER nsize1,nsize2;
begin
szInstallLocation=szSDKDirectory;
RegDBSetDefaultRoot(HKEY_LOCAL_MACHINE);
nsize=FeatureTotalSize(MEDIA,"DLLs",TRUE,TRUE);
nsize=(nsize/1024);
NumToStr(str,nsize);
RegDBSetKeyValueEx("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall" ^PRODUCT_GUID, "EstimatedSize", REGDB_NUMBER, str, -1);
end;

On Win7 it is correct(size=17.2mb) but on WinXP it wrong(size=1001mb).
please help me!

Posted 19-Oct-11 3:05am

Member 7909353

Updated 24-Oct-11 21:38pm

sravani.v

v8

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OriginalGriff 19-Oct-11 9:10am

Please do not just post a new question because you have not had an answer - use the "Improve question" widget to provide better information instead. I have deleted your older version.

OriginalGriff 19-Oct-11 9:12am

I have deleted both of your earlier versions!

Richard MacCutchan 19-Oct-11 9:35am

What error; you have just posted two file paths?

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Simon Bang Terkildsen · Answer 1 · 2011-10-19T05:08:00

This doesn't work for you

C#

RegDBSetKeyValueEx("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall" ^PRODUCT_GUID, "EstimatedSize", REGDB_NUMBER, "nsize", -1);

No wonder nsize is the value you wish to write to the registry key, but you're writing the string "nsize" to the registry key.
You have to convert nsize to a string and then use that string.