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IWDFIoTarget interface (wudfddi.h)

  • Article

[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 IWDFIoTarget interface exposes the I/O target object that typically represents a lower driver in the stack.

Inheritance

The IWDFIoTarget interface inherits from IWDFObject. IWDFIoTarget also has these types of members:

  • Methods

Methods

The IWDFIoTarget interface has these methods.

 
IWDFIoTarget::CancelSentRequestsForFile

The CancelSentRequestsForFile method cancels all I/O requests that have been sent on behalf of the specified file object.
IWDFIoTarget::FormatRequestForIoctl

The FormatRequestForIoctl method formats an I/O request object for an I/O control operation.
IWDFIoTarget::FormatRequestForRead

The FormatRequestForRead method formats an I/O request object for a read operation.
IWDFIoTarget::FormatRequestForWrite

The FormatRequestForWrite method formats an I/O request object for a write operation.
IWDFIoTarget::GetTargetFile

The GetTargetFile method retrieves the framework file object that is associated with the I/O target object.

Requirements

Requirement Value
End of support Unavailable in UMDF 2.0 and later.
Target Platform Desktop
Minimum UMDF version 1.5
Header wudfddi.h