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IWDFIoTargetStateManagement interface (wudfddi.h)

  • Artikel

[Warning: UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2. For more info, see Getting Started with UMDF.]

The IWDFIoTargetStateManagement interface exposes methods that manage and monitor the state of an I/O target object.

Inheritance

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

  • Methods

Methods

The IWDFIoTargetStateManagement interface has these methods.

 
IWDFIoTargetStateManagement::GetState

The GetState method returns the current state of a local I/O target.
IWDFIoTargetStateManagement::Remove

The Remove method removes a local I/O target.
IWDFIoTargetStateManagement::Start

The Start method starts sending queued requests to a local I/O target.
IWDFIoTargetStateManagement::Stop

The Stop method stops sending queued requests to a local I/O target.

Remarks

Drivers obtain the IWDFIoTargetStateManagement interface by calling IWDFIoTarget::QueryInterface, IWDFUsbTargetPipe::QueryInterface, or IWDFUsbTargetPipe2::QueryInterface.

Requirements

Requirement Value
End of support Unavailable in UMDF 2.0 and later.
Target Platform Desktop
Minimum UMDF version 1.5
Header wudfddi.h