IWDFIoTargetStateManagement interface (wudfddi.h)
[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 |
Feedback
Coming soon: Throughout 2024 we will be phasing out GitHub Issues as the feedback mechanism for content and replacing it with a new feedback system. For more information see: https://aka.ms/ContentUserFeedback.
Submit and view feedback for