共用方式為

IMDSPStorage::GetSize

  • 發行項
banner art

The GetSize method retrieves the size of the storage object, in bytes.

Syntax

HRESULT GetSize(DWORD*pdwSizeLow,DWORD*pdwSizeHigh);

Parameters

pdwSizeLow

[out]  Pointer to a DWORD containing the low-order part of the storage object size.

pdwSizeHigh

[out]  Pointer to a DWORD containing the high-order part of the storage object size.

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 One or more parameters is not valid or is a NULL pointer.
E_FAIL An unspecified error occurred.

Remarks

The object size is reported in bytes. The size is zero for folder objects.

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