The 'Copy a Few' Command
This command is available in a context menu of any tree object except for the root group Server.
Upon this command, the dialog shown below is opened. In that dialog, standard multiple selection with holding CTRL or SHIFT is supported.
The dialog tools are:
Select all – select all of objects
Undo – unselect all of objects
OK – copy the objects selected
Cancel – close the dialog (objects selected are not copied)