The resolution is recognized by the guest system; for example, if the guest system is win and the guest resolution is set to 1024×768, then the resolution displayed by virt-manager will be 1024×768 (but scroll bars will generally appear).
PS: You can install spice-guest-tool in the win system, and then connect through the spice protocol to adjust the resolution according to the size of the window (including non-standard resolutions).
The resolution is recognized by the guest system; for example, if the guest system is win and the guest resolution is set to 1024×768, then the resolution displayed by virt-manager will be 1024×768 (but scroll bars will generally appear).
PS: You can install spice-guest-tool in the win system, and then connect through the spice protocol to adjust the resolution according to the size of the window (including non-standard resolutions).