D3DAUTHENTICATEDCHANNEL_QUERY_INPUT structure

Contains input data for the IDirect3DAuthenticatedChannel9::Query method.

Syntax

typedef struct _D3DAUTHENTICATEDCHANNEL_QUERY_INPUT {
  GUID           QueryType;
  hChannel       HANDLE;
  SequenceNumber UINT;
} D3DAUTHENTICATEDCHANNEL_QUERY_INPUT;

Members

QueryType

A GUID that specifies the query. For a list of values, see Content Protection Queries.

HANDLE

A handle to the authenticated channel. To get the handle, call IDirect3DDevice9Video::CreateAuthenticatedChannel.

UINT

The query sequence number. At the start of the session, generate a cryptographically secure 32-bit random number to use as the starting sequence number. For each query, increment the sequence number by 1.

Requirements

See also

Direct3D Video Structures

IDirect3DAuthenticatedChannel9::Query