Mp3CoverDroper

• A windows shell extension that is used to update mp3's cover by dragging images and dropping to mp3 file.
• Development environment: .NET Framework 4.8 Windows 10 20H2 VS2019.

Dependencies

• SharpShell 2.7.2
• ID3 0.6.0

Compile

• If you are using command line tool such as dotnet cli:

# Mp3CoverDroper.Extension project
cd Mp3CoverDroper.Extension
rm bin/ obj/ -rf
dotnet msbuild -property:Configuration=Release -property:Platform=x64
# -> Mp3CoverDroper.Extension\bin\x64\Release\Mp3CoverDroper.Extension.dll

# Mp3CoverDroper.Implementation project
cd Mp3CoverDroper.Implementation
rm bin/ obj/ -rf
dotnet msbuild -property:Configuration=Release -property:Platform=x64
# -> Mp3CoverDroper.Implementation\bin\x64\Release\Mp3CoverDroper.Implementation.exe

• If you are using Visual Studio:

# You just need to open the sln file, build it in x64 platform with Release configuration.

Register

• Note that you need to add the following into PATH.
  • sn.exe ildasm.exe (Program Files\Microsoft SDKs\Windows\vx.xA\bin\NETFX x.x Tools)
  • ilasm.exe regasm.exe (Windows\Microsoft.NET\Framework64\vx.x.x)
• Open cmd as administrator, and you may need to restart explorer.exe.

Register.bat
# or execute the following commands

cd Mp3CoverDroper.Extension\bin\x64\Release
sn -k key.snk # generate key
ildasm Mp3CoverDroper.Extension.dll /OUTPUT=Mp3CoverDroper.Extension.il
ilasm Mp3CoverDroper.Extension.il /DLL /OUTPUT=Mp3CoverDroper.Extension.dll /KEY=key.snk # add key to dll
regasm /codebase Mp3CoverDroper.Extension.dll # register

# Note that before replace the dll, you need to unregister it first !!!

• Finally, setup registry for Mp3CoverDroper.Implementation.

; Use RegisterImpl.reg

; Note to replace to your Mp3CoverDroper.Implementation.exe path.
[HKEY_CURRENT_USER\SOFTWARE\AoiHosizora\Mp3CoverDroper]
"Implementation"="\"E:\\Projects\\Mp3CoverDroper\\Mp3CoverDroper.Implementation\\bin\\x64\\Release\\Mp3CoverDroper.Implementation.exe\""

Unregister

• Open cmd as administrator.

Unregister.bat
# or execute the following commands

cd Mp3CoverDroper.Extension\bin\x64\Release
regasm /u Mp3CoverDroper.Extension.dll # unregister

Screenshots

References

• dwmkerr/sharpshell
• JeevanJames/Id3
• Shell Drop Handlers
• Install with regasm (using the GAC)
• Are there limits in using more external libraries?