How to eject a USB removable disk/volume, similar to the “Eject” function in Windows Explorer?

Question

Do you know what is the API, or sequence of API calls that windows uses to accomplish the \"Eject\" function which is available on the shell context menu for removable volum

Answer 1

I came here accidentally while doing a search on "CM_Request_Device_Eject", and saw that it was similar to a solution I'd recently done by pulling together similar pieces of a solution. Forgive the late answer.

I've summarized the steps I've done for this on my project in this SO answer.