Description of DeviceCap :
Gets device information about a particular capability from the specified device:DriverTypeScreenSizeHScreenSizeVScreenResolutionHScreenResolutionVPixelspInchHPixelspInchVBitspPixelPixelWidthPixelHeightPixelDiagonalRasterCapabilitiesCurveCapabilitiesLineCapabilitiesPolygonalCapabilitiesTextCapabilities