IWDFUsbTargetPipe::Abort method (wudfusb.h)
[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 Abort method aborts all pending transfers on a USB pipe.
Syntax
HRESULT Abort();
Return value
Abort returns one of the following values:
| Return code | Description |
|---|---|
|
Abort successfully aborted all pending transfers. |
|
Abort encountered an allocation failure. |
|
This value corresponds to the error code that the WinUsb API returned. |
Remarks
The Abort method generates a UMDF request and synchronously sends the request to the I/O target.
For more information about how Abort works, see the WinUsb_AbortPipe function.
Requirements
| Requirement | Value |
|---|---|
| End of support | Unavailable in UMDF 2.0 and later. |
| Target Platform | Desktop |
| Minimum UMDF version | 1.5 |
| Header | wudfusb.h (include Wudfusb.h) |
| DLL | WUDFx.dll |