KSPROPERTY_PIN_NECESSARYINSTANCES

This property returns the minimum number of pins that the pin factory must instantiate before the filter can perform I/O operations.

Usage Summary Table

GetSetTargetProperty Descriptor TypeProperty Value Type

Yes

No

Pin

KSP_PIN

ULONG

 

Remarks

Specify this property using KSP_PIN, where the member specifies the relevant pin factory.

KSPROPERTY_PIN_NECESSARYINSTANCES returns a value of type ULONG, specifying the minimum number of pins that the pin factory must instantiate.

The class driver does not handle this property; the stream minidriver must provide handling on its own.

Requirements

Header

Ks.h (include Ks.h)

See also

KSP_PIN

 

 

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