| Microsoft DirectX 8.1 (C++) |
The GetPreferredAspectRatio method retrieves a pair of dimensionless values whose ratio defines the movie's preferred aspect ratio.
Syntax
HRESULT GetPreferredAspectRatio (
long *plAspectX,
long *plAspectY
);
Parameters
plAspectX
[out] Pointer to a value that indicates the movie's x-axis aspect ratio.
plAspectY
[out] Pointer to a value that indicates the movie's y-axis aspect ratio.
Return Values
Returns an HRESULT value. Possible values include the following.
| Return code | Description |
| S_OK | Success. |
| E_INVALIDARG | One or both of the parameters are invalid. |
| E_NOINTERFACE | The renderer does not implement IBasicVideo2. |
See Also