IBDA_WMDRMSession::TransactMessage Method

[This documentation is preliminary and is subject to change.]
Sends a Windows Media Digital Rights Management (DRM) for Network Devices message to the media transform device (MTD).

Syntax

HRESULT TransactMessage(
  [in]       ULONG ulcbRequest,
  [in]       BYTE *pbRequest,
  [in, out]  ULONG *pulcbResponse,
  [in, out]  BYTE *pbResponse
);

Parameters

• ulcbRequest [in]
  The size, in bytes, of the pbRequest.

• pbRequest [in]
  Pointer to a byte array that contains the input message.

• pulcbResponse [in, out]
  On input, specifies the number of bytes in the pbResponse array. On output, receives the size of the response message, in bytes.

• pbResponse [in, out]
  Pointer to a byte array, allocated by the caller, that receives the response message.

Return Value

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

Requirements

Client	Requires Windows 7.
IDL	Declared in Bdaiface.idl.

See Also

IBDA_WMDRMSession

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Build date: 12/4/2008