HRESULT GetCaps(LPDDCAPS lpDDDriverCaps, LPDDCAPS lpDDHELCaps);
Fills in the capabilities of the device driver for the hardware and the hardware emulation layer (HEL).
·Returns DD_OK if successful, or one of the following error values otherwise:
lpDDDriverCaps
Address of a DDCAPS structure that will be filled with the capabilities of the hardware, as reported by the device driver.
lpDDHELCaps
Address of a DDCAPS structure that will be filled with the capabilities of the HEL.