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DeviceInfo object

The DeviceInfo object provides access to the properties of a Windows Image Acquisition (WIA) hardware device. It also, through its Create method, provides a way for the application or script to connect to the device and obtain an Item object that represents the device. Use the Devices method to obtain a collection of DeviceInfo objects.

Members

The DeviceInfo object has these types of members:

Methods

The DeviceInfo object has these methods.

MethodDescription
Create

The Create method of the DeviceInfo object makes a connection to the WIA device specified by the DeviceInfo object, and returns an Item object that represents the device.

GetPropById

The GetPropById method of the DeviceInfo object uses a device property's ID to return its value.

 

Properties

The DeviceInfo object has these properties.

PropertyAccess typeDescription

Id

Read-only

Retrieves the ID of the WIA hardware device.

Manufacturer

Read-only

Retrieves the name of the manufacturer of this hardware device.

Name

Read-only

The name of the WIA hardware device as it appears in the UI.

Port

Read-only

Retrieves the port to which the WIA hardware device is connected.

Type

Read-only

Retrieves the type of WIA hardware device. Possible values are:

  • DigitalCamera
  • Scanner
  • StreamingVideo
  • Default

UIClsid

Read-only

Retrieves the class id of the manufacturer-provided user interface for this WIA hardware device. The value is a string representation of a GUID.

 

Requirements

Minimum supported client

Windows 2000 Professional, Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

DLL

Wiascr.dll (version 4.90 or later)

 

 

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