Device object
Represents an active connection to an imaging device.
The Device object has these types of members:
The Device object has these methods.
Method | Description |
---|---|
ExecuteCommand (Device) | Issues the command to the imaging device. |
GetItem | Retrieves the specified item. |
The Device object has these properties.
Property | Access type | Description |
---|---|---|
Commands (Device) |
Read-only |
Retrieves a collection of all commands for this imaging device. |
DeviceID (Device) |
Read-only |
Retrieves the DeviceID (Device) for this Device. |
Events |
Read-only |
Retrieves a collection of all events for this imaging device. |
Items (Device) |
Read-only |
Retrieves a collection of all items for this imaging device. |
Properties (Device) |
Read-only |
Retrieves a collection of all properties for this imaging device. |
Type (Device) |
Read-only |
Retrieves the type of Device. |
WiaItem (Device) |
Read-only |
Retrieves the underlying IWiaItem interface for this Device object. |
The imaging device that the Device object represents is independent of the Device object. A user can disconnect an imaging device while your application is using it. Accessing a Device object's properties or methods after this occurs can result in errors.
For example code, see Display all the Properties for the Selected Device in Shared Samples.
Use any of the following to retrieve a reference to the object:
Minimum supported client |
Windows Vista [desktop apps only] |
Minimum supported server |
Windows Server 2003 R2 [desktop apps only] |
Header |
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IDL |
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