[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 IPnpCallbackHardware2 interface exposes callback methods related to hardware.
The IPnpCallbackHardware2 interface has these methods.
|IPnpCallbackHardware2::OnPrepareHardware||The OnPrepareHardware method performs any operations that are needed to make a device accessible to the driver.|
|IPnpCallbackHardware2::OnReleaseHardware||The OnReleaseHardware method performs operations that are needed when a device is no longer accessible.|
|End of support||Unavailable in UMDF 2.0 and later.|
|Minimum UMDF version||1.11|
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