[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.] Drivers obtain the IWDFFile3 interface by calling IWDFFile::QueryInterface. ## Methods
The IWDFFile3 interface has these methods.
|IWDFFile3::GetInitiatorProcessId||The GetInitiatorProcessId method retrieves the initiator process ID associated with an IWDFFile interface.|
|End of support||Unavailable in UMDF 2.0 and later.|
|Minimum UMDF version||1.11|