How to Assign a VM to a Desktop in PD10

Hi,
I have my MacBook Pro configured with 3 desktops. Desktop 1 displays all my Mac apps. I use Desktop 2 and 3 to show VMs. In previous version of PD, I could assign a VM window to a given desktop. For example, I have a primary Windows VM that I assign to desktop #2. I also had the Parallels Desktop main window (now called Control Center) assigned to Desktop #2. I could then assign a secondary VM (e.g. a VM I use for building software) to desktop #3.

So, when I would launch Parallels Desktop, the system would switch to Desktop #2 and display the VM List window. I would then start my primary VM and it would run on Desktop #2. I could then bring up the VM List again and start my secondary VM, and the window for the secondary VM would be displayed on Desktop #3. I could then easily switch between the 3 desktops using 3 finger swipes on my track pad.

However, in PD 10, this is no longer possible. I've tried several different combinations to try and get the secondary VM window to stay assigned to desktop #3, but nothing I've tried sticks. Anybody know of a trick to get this to work?

If not, I would certainly like it if this functionality were added back into the product. And for the record, I too do not like the multiple dock icons being displayed for each running VM.

Ray