// d3dkmdt.h
typedef enum _D3DKMDT_MONITOR_FREQUENCY_RANGE_CONSTRAINT {
D3DKMDT_MFRC_UNINITIALIZED,
D3DKMDT_MFRC_ACTIVESIZE,
D3DKMDT_MFRC_MAXPIXELRATE
} D3DKMDT_MONITOR_FREQUENCY_RANGE_CONSTRAINT;
View the official Windows Driver Kit DDI referenceNo description available.
The D3DKMDT_MONITOR_FREQUENCY_RANGE_CONSTRAINT enumeration is used to indicate the type of constraint under which a monitor frequency range is supported.
D3DKMDT_MFRC_UNINITIALIZEDIndicates that a variable of type D3DKMDT_MONITOR_FREQUENCY_RANGE_CONSTRAINT has not yet been assigned a meaningful value.
D3DKMDT_MFRC_ACTIVESIZEIndicates that the constraint is an active region size.
D3DKMDT_MFRC_MAXPIXELRATEIndicates that the constraint is a pixel rate.
The ConstraintType member of a D3DKMDT_MONITOR_FREQUENCY_RANGE structure is a value from the D3DKMDT_MONITOR_FREQUENCY_RANGE_CONSTRAINT enumeration.