Windows Media Player 11 SDK IWMPDVD::get_isAvailable
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IWMPDVD::get_isAvailable
The get_isAvailable method indicates whether a specified type of information is available or a specified action can be performed.
Syntax
Parameters
bstrItem
[in] BSTR containing one of the following values.
| Value | Description |
| back | Determines whether the IWMPDVD::back method is available. |
| dvd | Determines whether the DVD is loaded. |
| dvdDecoder | Determines whether the DVD decoder is installed on system. |
| resume | Determines whether the IWMPDVD::resume method is available. |
| titleMenu | Determines whether the IWMPDVD::titleMenu method is available. |
| topMenu | Determines whether the IWMPDVD::topMenu method is available. Commonly called the root menu. |
pIsAvailable
[out] Pointer to a VARIANT_BOOL that indicates whether the specified parameter is available.
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
The DVD features of Windows Media Player will not work on computers that do not have a DVD decoder installed. You can determine whether a decoder is available by calling the get_isAvailable method and passing in the BSTR value "dvdDecoder".
Every DVD is authored differently. The methods available during DVD playback and navigation depend on how the DVD is authored.
Windows Media Player 10 Mobile: This method always retrieves a VARIANT_BOOL set to FALSE.
Requirements
Version: Windows Media Player 9 Series or later.
Header: Include wmp.h.
Library: Use wmp.dll.
Platform: Windows XP or later.
See Also
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