VideoPortCheckForDeviceExistence - NtDoc

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

VIDEOPORT_DEPRECATED VIDEOPORT_API BOOLEAN VideoPortCheckForDeviceExistence(
  [in] IN PVOID  HwDeviceExtension,
  [in] IN USHORT VendorId,
  [in] IN USHORT DeviceId,
  [in] IN UCHAR  RevisionId,
  [in] IN USHORT SubVendorId,
  [in] IN USHORT SubSystemId,
  [in] IN ULONG  Flags
);
View the official Windows Driver Kit DDI reference

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

VideoPortCheckForDeviceExistence function

Description

The VideoPortCheckForDeviceExistence function determines whether the specified PCI device exists in the system.

Parameters

HwDeviceExtension [in]

Pointer to the miniport driver's device extension.

VendorId [in]

Specifies the vendor ID.

DeviceId [in]

Specifies the device ID.

RevisionId [in]

Specifies the revision ID.

SubVendorId [in]

Specifies the subvendor ID.

SubSystemId [in]

Specifies the subsystem ID.

Flags [in]

Is a set of flags that determine whether the RevisionID and SubSystemID parameters should be used in checking for the new device. This parameter can be the logical OR of the following values:

Value Meaning
CDE_USE_REVISION Use the value in the RevisionID parameter in checking for the new device.
CDE_USE_SUBSYSTEM_IDS Use the value in the SubSystemID parameter in checking for the new device.

Return value

VideoPortCheckForDeviceExistence returns TRUE if the device exists in the system, and FALSE otherwise.

Remarks

For more information about PCI identifiers, see Identifiers for PCI Devices.

View the official Windows Driver Kit DDI reference

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