IPnpCallbackHardware interface
The IPnpCallbackHardware interface is a Plug and Play (PnP) and power management (PM) interface.
Members
The IPnpCallbackHardware interface inherits from the IUnknown interface. IPnpCallbackHardware also has these types of members:
Methods
The IPnpCallbackHardware interface has these methods.
| Method | Description |
|---|---|
| IPnpCallbackHardware::OnPrepareHardware |
The OnPrepareHardware method notifies a driver to make the specified hardware accessible. |
| IPnpCallbackHardware::OnReleaseHardware |
The OnReleaseHardware method notifies a driver to perform operations that are necessary when the specified hardware is no longer accessible. |
Remarks
A driver registers the IPnpCallbackHardware interface when the driver calls the IWDFDriver::CreateDevice method to create a device object.
Requirements
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Header |
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See also
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