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I installed my dll to Global Assembly Cache Folder like in this image enter image description here But visual studio c# can not see this dll when i want to add a reference to this dll or browse this dll in toolbox.

Can you please tell me what i was wrong with the installation to GAC?

I use visual studio c# 2022

Thank you,

Dominota
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1 Answers1

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  • Verify that the DLL is actually in the GAC. You can do this by opening the Developer Command Prompt for Visual Studio and typing "gacutil /l" to list the contents of the GAC. If you don't see the DLL in the list, it may not be installed in the GAC correctly.

  • Check that you are referencing the correct version of the DLL. If you have multiple versions of the same DLL installed in the GAC, you need to make sure you are referencing the correct one. You can view the version information of a DLL in the GAC by using the "gacutil /l" command.

  • Make sure that you are using the correct assembly name when referencing the DLL. The assembly name is not necessarily the same as the DLL file name. You can view the assembly name of a DLL in the GAC by using the "gacutil /l" command.

  • Try adding the DLL reference manually by browsing to the DLL file in the GAC. To do this, right-click on the "References" folder in your project in Visual Studio and select "Add Reference...". Then, click the "Browse" button and navigate to the location of the DLL in the GAC (usually located in C:\Windows\assembly).

  • Check the permissions of the DLL in the GAC. Make sure that the account running Visual Studio has permission to access the DLL in the GAC. If you are running Visual Studio as an administrator, this should not be an issue.

  • If none of the above solutions work, you may need to try uninstalling and reinstalling the DLL in the GAC, or try using a different version of the DLL.

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