vscode command line : open a file of an opened project

Question

I have a project opened in vscode.

I Windows Powershell, under project directory, when I type

code test.html

It will open the file but with a new vscode instance, I want in the already opened project instead: is it possible?

Answer 1

Yes, it is possible with the -r ( --reuse-window ) option.
For example:

code -r .\Dockerfile

( https://code.visualstudio.com/docs/editor/command-line )