VideoPortQueueDpc - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// video.h

VIDEOPORT_API BOOLEAN VideoPortQueueDpc(
  [in] IN PVOID                 HwDeviceExtension,
  [in] IN PMINIPORT_DPC_ROUTINE CallbackRoutine,
  [in] IN PVOID                 Context
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-video-videoportqueuedpc)

VideoPortQueueDpc function

Description

The VideoPortQueueDpc function allows a miniport driver to queue a DPC.

Parameters

HwDeviceExtension [in]

Pointer to the miniport driver's device extension.

CallbackRoutine [in]

Pointer to the miniport driver's HwVidDpcRoutine to be called when the DPC is scheduled. The callback routine must be nonpaged.

Context [in]

Pointer to the miniport driver-supplied context that will be passed to CallbackRoutine.

Return value

VideoPortQueueDpc returns TRUE if the DPC is successfully queued, and FALSE otherwise.

Remarks

The deferred procedure is run when the IRQL on the current processor drops below DISPATCH_LEVEL. Callers of VideoPortQueueDpc must be running at IRQL >= DISPATCH_LEVEL.

See also

HwVidDpcRoutine

View the official Windows Driver Kit DDI reference

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