// ks.h

typedef enum {
  KSPIN_DATAFLOW_IN,
  KSPIN_DATAFLOW_OUT
} KSPIN_DATAFLOW, *PKSPIN_DATAFLOW;
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Windows Driver Kit DDI reference (ne-ks-kspin_dataflow)

KSPIN_DATAFLOW enumeration

Description

An instance of the KSPIN_DATAFLOW enumeration is returned by KSPROPERTY_PIN_DATAFLOW.

Constants

`KSPIN_DATAFLOW_IN`

Indicates that the pin factory instantiates data sink pins. Such pins can only be connected to data source pins.

`KSPIN_DATAFLOW_OUT`

Indicates that the pin factory instantiates data source pins. Such pins can only be connected to data sink pins.

KSPIN_DATAFLOW - NtDoc