नोट
इस पेज तक पहुँच के लिए प्रमाणन की आवश्यकता होती है. आप साइन इन करने या निर्देशिकाओं को बदलने का प्रयास कर सकते हैं.
इस पेज तक पहुँच के लिए प्रमाणन की आवश्यकता होती है. आप निर्देशिकाओं को बदलने का प्रयास कर सकते हैं.
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.
The archived UMDF 1 samples can be found in the Windows 11, version 22H2 - May 2022 Driver Samples Update.
For more info, see Getting Started with UMDF.
The User-Mode Driver Framework (UMDF) is composed of a set of cooperating objects. The UMDF creates and manages a series of objects exposed to the user-mode device driver. Some of these objects are created by the UMDF in response to application-triggered actions, such as an I/O request, while other UMDF objects are created when the driver calls UMDF interface methods. For example, to create an I/O queue object, the driver calls the IWDFDevice::CreateIoQueue method.
The following topics describe the core framework objects, the subset of the Component Object Model (COM) on which they are based, and the UMDF DDI programming model: