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IDeviceIoControl interface

Sends a control code to a device driver.This action causes the device to perform the corresponding operation.

Members

The IDeviceIoControl interface inherits from the IUnknown interface. IDeviceIoControl also has these types of members:

Methods

The IDeviceIoControl interface has these methods.

MethodDescription
CancelOperation

Attempts to cancel a previously issued call by using the DeviceIoControlAsync method.

DeviceIoControlAsync

Sends an asynchronous device I/O control request to the device interface that's specified by the call to the CreateDeviceAccessInstance function.

DeviceIoControlSync

Sends a synchronous device I/O control request to the device interface that's specified by the call to CreateDeviceAccessInstance.

 

Requirements

Header

Deviceaccess.h

IDL

Deviceaccess.idl

Library

Deviceaccess.lib

 

 

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