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IWMPMediaCollection2::getPlaylistByQuery
The getPlaylistByQuery method retrieves a pointer to an IWMPPlaylist interface. This interface represents a playlist that contains media items that match the query conditions.
Syntax
Parameters
pQuery
[in] Pointer to the IWMPQuery interface that represents the query.
bstrMediaType
[in] String that contains the media type. Must contain one of the following values: "audio", "video", "photo", "playlist", or "other".
bstrSortAttribute
[in] String that contains the attribute name used for sorting. An empty string means that no sorting is applied.
fSortAscending
[in] VARIANT_BOOL that indicates whether the playlist must be sorted in ascending order.
ppPlaylist
[out] Address of a variable that receives a pointer to an IWMPPlaylist interface for the retrieved playlist.
Return Values
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
| S_OK | The method succeeded. |
Remarks
Compound queries using IWMPQuery are not case sensitive.
When the compound query specified by the pQuery parameter contains a condition built on the MediaType attribute, that condition is ignored. The value for the bstrMediaType parameter is always used. For example, if the compound query contains the condition "MediaType Equals audio" and the value for the bstrMediaType parameter is "video", the resulting playlist will contain only video items.
Windows Media Player 10 Mobile: This method is not supported.
Requirements
Version: Windows Media Player 11.
Header: Include wmp.h.
Library: Use wmp.dll.
See Also
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