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Diffrence between debug & release versions

Posted on 2009-07-04
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Last Modified: 2013-12-17
Hello,

I am new to C#.
I wrote a C# application, compiled it as Debug version (I have a dll inside inside bin folder) and gave it to my customer.
Should I compile it as Release version?
What is a diffrence between Debug & Release version? When should I use each of these compilations?

THANKS
Margarit

Debug-Release.JPG
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Question by:margarit
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AndyAinscow earned 250 total points
ID: 24777644
You should always distribute the release versions.
Typically a debug build contains extra information/code to assist in debugging - usually means bigger and slower.
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by:Erbureth
Erbureth earned 250 total points
ID: 24777649
When you compile a program in Debug mode, usually no optimizations are made, and, what is more important, symbolic names of functions and variables are exported too, so you can debug your program easily. On the other hand, Release mode compilation makes some speed optimizations and no debug symbols are included, so the resulting binary is smaller and faster. So always remember to switch to Release mode before compiling your program for distribution :)
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Author Comment

by:margarit
ID: 24778829
Thanks for the useful comments. One more question:
When I give the debug version to customer I give him EXE + dll.
Does executable from release version contains dll inside of it, or I should use EXE+dll too?
THANKS
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LVL 44

Expert Comment

by:AndyAinscow
ID: 24778975
You still need both.
You build a release version of the exe AND a release version of the dll
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Author Closing Comment

by:margarit
ID: 31599803
THANKS
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