CldApi: Recommendation about shell extension capabilities via 'Desktop Bridge' (e.g. desktop3:CloudFilesContextMenus)

Question

Greetings,

In the CloudMirror sample in Package.appmanifest of the packaging project we read:

    <desktop3:Extension Category="windows.cloudFiles">
          <desktop3:CloudFiles>
           ........
           <desktop3:CloudFilesContextMenus>
              <desktop3:Verb Id="Command1" Clsid="165cd069-d9c8-42b4-8e37-b6971afa4494" />
            </desktop3:CloudFilesContextMenus>
            ........
          </desktop3:CloudFiles>
      </desktop3:Extension>
   <com:Extension Category="windows.comServer">
       <com:ComServer>
        ......
        <com:ExeServer DisplayName="Cloud Mirror Command Handler" Executable="CloudMirror\CloudMirror.exe">
              <com:Class Id="165cd069-d9c8-42b4-8e37-b6971afa4494" />
        </com:ExeServer>
        ......
        </com:ComServer>
  </com:Extension>

It becomes obvious that objects that implement the respective COM interfaces are hosted inside the same process/executable which is also the storage provider (implements the CldApi callback methods).

In view of this, my question is whether this is the correct/recommended way to implement shell extensions for cloud storage providers or did the author of the sample did it like that for simplicity's sake?

I can see pros and cons to either implementing COM objects in the same process or in a separate one and am currently trying to make the best possible decision based on what I know and what I am finding out in the process of my investigations.

Any advice would be mostly appreciated!

Regards,
Stefan

Answer 1

Hello,
Welcome to Microsoft Q&A!

The sample is for convenience, it is an early preview, and far from final.
Because there will be data processing in COM, so for the sake of the program fluency, I recommend implementing COM objects in the separate process.

Thank you.

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