How do I get the current module?

JoeRip

I need to know the name of the module (or assembly) which is currently executing my code. ie, if application X has loaded DLL Y, and DLL Y calls a callback method in application X, I want to get the name of DLL Y. I can figure out how to get the name of the MainModule for the current process, or even the list of modules that are loaded for the current process, but I can't figure out how to get the currently executing module from this.

Lost User

Maybe this will help? http://msdn.microsoft.com/en-us/library/system.reflection.assembly.getexecutingassembly.aspx[^]

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JoeRip

Hmm... okay, I found Assembly.GetExecutingAssembly. Now I need to determine if I need the assembly name or the module name... what is the difference between a module and an assembly?

Abhinav S

Try GetType(). Object.GetType()[^] should give you the appropriate results.

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Bernhard Hiller

In that moment, it is again application X which is executing, not Dll Y. I do not understand what are trying to achieve, i.e. the objective behind finding out that a function was called from Y. In case that the callback method is an event handler, you could use the "sender" parameter to get more information on the origin. Another possibility is the StackTrace.

Lost User

JoeRip wrote:

what is the difference between a module and an assembly?

You're missing the question-icon, most forum-members will assume it's an answer to the original question and skip reading the post. To answer;

MSDN states[^]:

A module is a portable executable file, such as type.dll or application.exe, consisting of one or more classes and interfaces. There may be multiple namespaces contained in a single module, and a namespace may span multiple modules.

In short, an assembly can contain multiple modules (not to be confused with the VB.NET concept of a Module, which is a static class). The code below shows an example of how to use the StackTrace-class, as proposed by another poster;

Dim mod = New System.Diagnostics.StackTrace().GetFrame(0).GetMethod()
Console.WriteLine (mod.Module)
Console.WriteLine (mod.Name)

Hope this helps a bit :)

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pt1401

You probably don't need to use GetModule() or GetAssembly() methods Try the FullName property...