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| Microsoft DirectShow 9.0 |
IBasicVideo2::GetPreferredAspectRatio
The GetPreferredAspectRatio method retrieves the preferred aspect ratio.
Syntax
HRESULT GetPreferredAspectRatio ( long *plAspectX, long *plAspectY );
Parameters
plAspectX
[out] Pointer to a value that indicates the x-axis aspect ratio.
plAspectY
[out] Pointer to a value that indicates the 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. |
Requirements
Header: Declared in Control.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also