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IMDSPObject::Open

The Open method opens the associated object and prepares it for other operations.

Syntax

HRESULT Open(
  UINT  fuMode
);

Parameters

  fuMode

[in]  Mode of operation in which the file must be opened.

Query Description
MDSP_READ Query whether a subsequent call to Read would be allowed.
MDSP_WRITE Query whether a subsequent call to Insert would be allowed.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.

Return code Description
WMDM_E_NOTSUPPORTED The operation is not supported by the medium
WMDM_E_BUSY The media device is busy.
E_INVALIDARG The fuMode parameter is an invalid or NULL pointer.
WMDM_E_INTERFACEDEAD The file or folder was previously deleted.
E_FAIL An unspecified error occurred.

See Also

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