IWMSPacket.GetAttribute (C#)
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IWMSPacket.GetAttribute (C#)
The GetAttribute method retrieves the value of a packet attribute that is defined by WMS_PACKET_ATTRIBUTES.
Syntax
Parameters
dwValueName
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. |
pdwValue
Reference to a uint containing the value retrieved.
Return Values
This method does not return a value.
If this method fails, it throws an exception.
| Number | Description |
| 0x80070057 | pdwValue is null or dwValueName is not a valid index location. |
Requirements
Reference: Add a reference to Microsoft.WindowsMediaServices.
Namespace: Microsoft.WindowsMediaServices.Interop.
Assembly: Microsoft.WindowsMediaServices.dll.
Library: WMSServerTypeLib.dll.
Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.
See Also
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