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Questions tagged [dnspy]

A debugger and .NET assembly editor. It can be used to edit and debug assemblies even if no source code available is available.

33 questions
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3 answers

dnSpy showing strange disassembly code for async methods

I am trying to disassemble my .NET core 3.1 binary using the latest build of dnSpy but am getting output like this: The original method: public async Task> CalculatePackagesDeltaAsync(List firmwarePackages) { …
Colton Scottie
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1 answer

Why are all the methods in Assembly-CSharp.dll empty?

I have recently decompiled the GameAssembly.dll from Among Us using Il2CppDumper-v6.7.6 My problem is that while i have the file Assembly-CSharp.dll open with dnSpy, all of the methods/functions are empty, as shown below, Does anyone know how i…
ellis
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dnSpy: What do included reference assemblies affect?

I'm modifying a DLL through dnSpy, and said modification required a reference assembly in order to recompile. The modification did not necessitate the reference assembly, it was just needed in order to recompile the changed section, with or without…
Gumpf
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DnSpy fails to decompile self-contained single file produced C# .exe

I have created a simple project written in C# using Visual Studio 2022 (.NET Core 6.0) and have published my project to a folder in a single file, self contained form in order for the produced .exe to contain both the dll and the json files of the…
Astral Wanderer
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0 answers

How to add comments in dnSpy?

Is there a way to add comments in the decompiled window of dnSpy ? For example, a comment before a function as it is possible to do it with '/' in Ida. I tried to use several shortcuts but none worked.
Dehka
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1 answer

Decompiling vb.net application

[CompilerGenerated] [DebuggerBrowsable(DebuggerBrowsableState.Never)] [AccessedThroughProperty("SimpleButton1")] private SimpleButton _SimpleButton1; internal virtual SimpleButton SimpleButton1 { [CompilerGenerated] …
Muthu Narayanan
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1 answer

dnSpy Console does not show any output

I need to automate .Net decompilation to C# using dnSpy. I downloaded it from https://github.com/dnSpy/dnSpy/releases/tag/v6.1.8 (x64 version on Win10 x64 computer) and unziped. But when I try to run dnSpy.Console.exe from terminal (both Windows…
Martin Bobčík
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Dnspy: Debug Error when trying to attach to Process - Debugging is not possible due to an incompatibility within the CLR implementation

I want to debug a running process to get some internal informations in a DotNet Tool. I've opened the Exe-File in Dnspy and have set an break point at the position I want to take a look. Then I've tried to attach to a running Process. Unfortunately…
user276116
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Start DnSpy and immediately attach to process

I'd like to use DnSpy as a debugger with my homegrown C# IDE. I'd like to be able to start DnSpy programmatically from my IDE and automatically attach it to the process that executes the compiled user code. A quick look at StartUpClass class seems…
anakic
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1 answer

Using DLLImport with dnlib

I have a C# project that I want to modify with dnlib. Modifying it with dnspy, I can add the code in just fine. However, I was not able to find a way to add the DLLImport in with dnlib, and all searches came up dry. How can I pull this off? Can it…
Topaz M. Whitelock
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1 answer

How to Suppress JIT optimization in .NET Core

I can't find a way to suppress JIT optimization in a .NET Core 2.2 process. This prevents me from attaching with a debugger in production and seeing all local variables. In .NET Framework I could add an INI file with the same name as the DLL I…
Michael_S_
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1 answer

Dnspy compilation error without editing the code

The 'ConnectionState' exists in both 'System.Data.Common, Version=4.2.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' and 'System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 bool flag2 = this.sqlite_conn.State !=…
user8420153
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3 answers

Duplicated yield break in Enumerable

I am learning linq throught decompiling the System.Core.dll (4.7.3429.0) by dnSpy and see duplicated 'yield break;' in several cases, like this one private static IEnumerable CastIterator(IEnumerable source) { foreach…
Kamerton
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CS8010: DLL recompile with dnSpy - agnostic assembly cannot have a processor specific module System.EnterpriseServices.Wrapper.dll

I have a dll to edit Assembly Attributes but when compile it notify error as my title. How can I fix this? I search on internet and find solution that open dll with dnspy32 or 64 and repeat edit, compile. It didn't work for me
n3uc0m34
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0 answers

How i write MessageBox using dnlib

When i write code to show messagebox in Entry point it will not run but if i replace the messagebox to file write it will run without problem. And if i make compile in dnspy and save the assembly again it will run!. Code ** i used dnlib ** : …
TNAlotaibi
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