CODEWITHSUNDEEP
c#.netdecompilingdisassembly
Pratik Singhal
Pratik Singhal

Reputation: 6492

What is a CLR header in .net applications?

While using the ildasm.exe tool for disassembling other .Net applications, I came across the following line.

program.exe has not valid CLR Header and cannot be disassembled

But when I tried to disassemble my code, it didn't show any error, and disassembled the code easily.

As a result I am curious about what is a CLR Header and what can be the advantages/disadvantages of having a valid CLR Header for your assembly?

Can anybody please answer the above questions?

I checked the msdn, but couldn't find much information on the topic.

Upvotes: 5

Views: 13753

Answers (1)

Justin Niessner
Justin Niessner

Reputation: 245419

ILDASM.exe is meant to disassemble CLR code. If there is not a valid CLR header, it usually means that the executable was written in another language and compiled natively.

Upvotes: 8

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