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IMDSPStorageGlobals::GetRootStorage

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The GetRootStorage method retrieves a pointer to the IMDSPStorage interface for the root storage of the storage medium.

Syntax

HRESULT GetRootStorage(IMDSPStorage**ppRoot);

Parameters

ppRoot

[out]  Pointer to an IMDSPStorage pointer that receives the root storage.

Return Values

The method returns an HRESULT. All the interface methods in Windows Media Device Manager can return any of the following classes of error codes:

  • Standard COM error codes
  • Windows error codes converted to HRESULT values
  • Windows Media Device Manager error codes

For an extenstive list of possible error codes, see Error Codes.

Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK The method succeeded.
E_INVALIDARG The ppRoot parameter is an invalid or NULL pointer.
E_FAIL An unspecified error occurred.

Remarks

This method must be implemented. It must not return WMDM_E_NOTSUPPORTED or E_NOTIMPL. For more information, see Mandatory and Optional Interfaces.

Requirements

Header: Defined in mswmdm.h.

Library: mssachlp.lib

See Also