WdfIoTargetGetState - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
// wdfiotarget.h

WDF_IO_TARGET_STATE WdfIoTargetGetState(
  [in] WDFIOTARGET IoTarget
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-wdfiotarget-wdfiotargetgetstate)

WdfIoTargetGetState function

Description

[Applies to KMDF and UMDF]

The WdfIoTargetGetState method returns state information for a local or remote I/O target.

Parameters

IoTarget [in]

A handle to a local or remote I/O target object that was obtained from a previous call to WdfDeviceGetIoTarget or WdfIoTargetCreate or from a method that a specialized I/O target supplies.

Return value

WdfIoTargetGetState returns a WDF_IO_TARGET_STATE-typed value that indicates the state of the specified I/O target.

A bug check occurs if the driver supplies an invalid object handle.

Remarks

For more information about WdfIoTargetGetState, see Controlling a General I/O Target's State.

For more information about I/O targets, see Using I/O Targets.

Examples

The following code example obtains state information for a USB I/O target.

WDF_IO_TARGET_STATE  ioTargetState;

ioTargetState = WdfIoTargetGetState(WdfUsbTargetPipeGetIoTarget(pipeHandle));

See also

WDF_IO_TARGET_STATE

WdfDeviceGetIoTarget

WdfIoTargetCreate