IWMSPacket::SetAttribute

The SetAttribute method specifies the value of a packet attribute defined by WMS_PACKET_ATTRIBUTES.

HRESULT SetAttribute(
  DWORD  dwValueName,
  DWORD  dwValue
);

Arguments

dwValueName

[in] Member of the WMS_PACKET_ATTRIBUTES enumeration type. This must be one of the following values.

Value	Description
WMS_PACKET_DURATION	Retrieves the duration of the packet.
WMS_PACKET_ERASURES_DETECTED	Retrieves a value indicating whether the packet was dropped.
WMS_PACKET_FLAGS	Retrieves any flags associated with the packet defined by WMS_PACKET_LIST_ATTRIBUTES.
WMS_PACKET_LENGTH	Retrieves the length of the packet.
WMS_PACKET_NET_SEQUENCE_NUMBER	Retrieves the number of the packet in the sequence.
WMS_PACKET_NUM_BUFFERS	Retrieves the count of buffers in the packet.
WMS_PACKET_NUM_NACKS	Retrieves the number of times the packet has been resent.
WMS_PACKET_PACKET_NUM	Retrieves the number of the packet.
WMS_PACKET_PACKETIZED_HDRLEN	Header length of the packet.
WMS_PACKET_PRESENT_TIME	Retrieves the low-order DWORD presentation time of the packet.
WMS_PACKET_PRESENT_TIME_HI	Retrieves the high-order DWORD presentation time of the packet.
WMS_PACKET_RECV_TIME	Retrieves the receive time of the packet.
WMS_PACKET_SEND_TIME	Retrieves the low-order DWORD send time of the packet.
WMS_PACKET_SEND_TIME_ADJUSTMENT	Send-time adjustment of the packet.
WMS_PACKET_SEND_TIME_HI	Retrieves the high-order DWORD send time of the packet.
WMS_PACKET_STREAM_NUM	Retrieves the stream number associated with this packet.

dwValue

[in] DWORD containing the value to set.

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

Return code	Number	Description
E_INVALIDARG	0x80070057	dwValueName is not a valid index location.

Header: wmspacket.h.

Library: WMSServerTypeLib.dll.

Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.