Parallels C API Reference Guide
Determines whether Dynamic Resolution feature is available in the specified virtual machine.
Dynamic Resolution is a feature that comes with the Parallels Tools package. It provides facilities for adjusting the guest OS screen resolution on the fly. Use this function to determine whether the Dynamic Resolution feature is installed and running. If the feature is available, you can use the PrlDevDisplay_SendScreenSizeEvent function to programmatically adjust the guest OS screen resolution.