The Workstation Preferences Editor : Display Tab

Display Tab
Select items on the Display tab to determine how Workstation displays this virtual machine.
The items in the Autofit section let you control how the virtual machine behaves when autofit is on:
Select Autofit window to have the Workstation window automatically adjust to fit the virtual machine display any time the virtual machine display settings change.
Select Autofit guest to have the virtual machine display adjust to fit the Workstation window whenever you change the window’s size.
Under Full Screen, you can configure how the host and guest display settings interact when you enter full screen mode:
Select Autofit guest to change the guest’s resolution settings to match the display settings of the host while you are in full screen mode.
Select Stretch guest to retain the guest’s resolution settings but still have the display fill the full screen.
This setting is useful if you need to retain a guest’s low-resolution settings. For example, use this setting to play older computer games that run only at low resolutions.
Select Center guest to have both host and guest retain their own display settings while you are in full screen mode.
If you deselect Show toolbar edge when unpinned, you will not be able to display the full screen toolbar by placing your mouse cursor near the top of the screen. To display it again, you will need to use the preferences editor and select Show toolbar edge when unpinned again.