Represents a rational number.
An unsigned integer value representing the top of the rational number.
An unsigned integer value representing the bottom of the rational number.
This structure is a member of the DXGI_MODE_DESC structure.
The DXGI_RATIONAL structure operates under the following rules:
- 0/0 is legal and will be interpreted as 0/1.
- 0/anything is interpreted as zero.
- If you are representing a whole number, the denominator should be 1.