3 replies to this topic

[newport]

Hello, I am using InstallShield 6.3. I have read a version number from the registry and it is 2.1.3. I want to make a condition that will make sure version 2.1.3 or higher is installed. This will include such variations like 2.1.4 and 2.2.0

Can someone please lend me some insite?
Thanks in advance!
~Chris

[Taco Bell]

You can use the built-in IS function called VerCompare.  See the IS help file for more information.

[Xitch13]

This is the code I use to check previous versions of our install and to make sure my Patch is going to run only on previous versions.  Note: I use a list because there could be multiple patches.  You probably won't need to do that and can use a string constant

Code Sample

// Check Previous version to make sure we are installing a higher version    listResults = ListCreate(STRINGLIST);    RegDBQueryKey("SOFTWARE\\Our Company\\Our Product",REGDB_KEYS,listResults);    nCount = ListCount(listResults);    NumToStr(sCount,nCount);    nLast = nCount -1;    ListSetIndex(listResults, nLast);    ListCurrentString(listResults,sLastInstall);    sCurrentInstall = @Product_Version;    nResult = StrCompare(sLastInstall, sCurrentInstall);     //results from StrComp: below zero A less than B; zero - equal;     // over zero - A greater than B    if (nResult > 0) then     MessageBox(szMsg6 + szMsg7, INFORMATION);     abort;    endif;    ListDestroy(listResults);

HTH

[newport]

THANKS TO BOTH...