// d3dkmthk.h

typedef struct _D3DKMT_OUTPUTDUPL_SNAPSHOT {
  UINT                          Size;
  UINT                          SessionProcessCount;
  UINT                          SessionActiveConnectionsCount;
  UINT                          NumVidPnSources;
  UINT                          NumOutputDuplContexts;
  UINT                          Padding;
  OUTPUTDUPL_CONTEXT_DEBUG_INFO OutputDuplDebugInfos[0];
} D3DKMT_OUTPUTDUPL_SNAPSHOT;
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Windows Driver Kit DDI reference (ns-d3dkmthk-_d3dkmt_outputdupl_snapshot)

D3DKMT_OUTPUTDUPL_SNAPSHOT structure

Description

The D3DKMT_OUTPUTDUPL_SNAPSHOT structure provides information on the current processes in which output duplication is occurring.

Members

`Size`

[in/out] The size, in bytes, of the entire structure.

`SessionProcessCount`

[out] The number of processes in this session that are currently duplicating output. The value of NumOutputDuplContexts specifies the maximum possible number of processes.

`SessionActiveConnectionsCount`

[out] The total number of active contexts in this session. The value may be more than the number of active contexts in the 2-D array, which are per adapter.

`NumVidPnSources`

[out] The number of video present network (VidPN) sources.

`NumOutputDuplContexts`

[out] The number of contexts in which output duplication is occurring.

`Padding`

Padding.

`OutputDuplDebugInfos[0]`

Reserved for system use. Set to zero.

View the official Windows Driver Kit DDI reference

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