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:

The IDeviceIoControl interface has these methods.

Method	Description
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.