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VideoPortGetAssociatedDeviceID function (video.h)

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The VideoPortGetAssociatedDeviceID function obtains the child ID for a specified device object.

Syntax

VIDEOPORT_DEPRECATED VIDEOPORT_API ULONG VideoPortGetAssociatedDeviceID(
  [in] IN PVOID DeviceObject
);

Parameters

[in] DeviceObject

Pointer to the child device object, a PDO.

Return value

VideoPortGetAssociatedDeviceID returns the child ID for the given device object.

Remarks

VideoPortGetAssociatedDeviceID can be used to obtain the child ID for a child device object. For example, this is useful with I2C. See Using I2C to Communicate with a Child Device for more information.

Requirements

Requirement Value
Minimum supported client Available in Windows XP and later versions of the Windows operating systems.
Target Platform Desktop
Header video.h (include Video.h)
Library Videoprt.lib
DLL Videoprt.sys
IRQL PASSIVE_LEVEL