Diff between 16 and 32 bit prog / VC++ DCOM on 95

Hi,
Will any of the gurus out there send a nice note the diff between 16 and 32 between prog. What is the checklist to be followed for porting the application from 16->32 bit platforms.
Does porting from Windows95 to WIN-NT also come under this conversion ?

I have also heard some porting issuesfor Windows95 - Win Nt and vice- versa..  (such as UNICODE and ...)
Will anyone pls give me some info on this platform changing issues as well.
I have a VC++ COM server that works fine on WIN-NT 4.0 . What are the issues I will have to consider if have to make it work on Windows95 as well (Now that DCOM95 pack is also available)
gianapaAsked:
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sbartokConnect With a Mentor Commented:
For upgrading 16bit mfc stuff you can use the "MFC Porting Utility" which is included somewhere in that microsoft delevoper stuff. i'm going look where it is and tell you.
by the way : i fully agree to what nietod said, you should read a book first ! (he should get the points)
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nietodCommented:
There are several books devoted to this subject.  I recommend you find one or two.  It is WAY to much material to be covered here.  One book I have is "Porting to Win32".
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gianapaAuthor Commented:
sbartok,

Will u pls let me know more about the MFC porting Utility..
I want to know of the changes to be made for moving from WINDOWS95 to WINNT in particular..

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sbartokCommented:
porting util is only for Win16->Win32, for win95->winnt you need to make changes by hand, e.g. example if you use regopenkey you have to look for security properties. in common security is the biggest problem, because you need more errorhandling if (for example:) a guest user tries to do an action which is only allowed by the system administrator.
ok ?
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gianapaAuthor Commented:
Thanks for the feedback..
I think I read in 'Inside VC++ by David Kruglinski' about the UNICODE. My VC++ application is an Automation Server. It makes use of macros such as "TCHAR()". I guess macros like these will not work in Win95 !!
Kruglinski has just explained the NT and 95 prog diff in 3/4 page
My application does not do anything with the registry directly.

I need some more details like the UNICODE factor !
Any more details on this UNICODE point would also be appreciated..

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sbartokCommented:
wow. ok, i'll look for that stuff, but --warning-- could take a bit of time, but i won't forget you.
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sbartokCommented:
mk:@ivt:dnmfc/s2.HTM

this is the right url, type it in your url field in msdev and read through it. if you don't have the field,  use the infoviewer navigation :
tools and technologies -> mfc migration kit

good luck
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