IWDFUsbTargetPipe::Flush method

The Flush method discards any data that WinUsb saved when the device returned more data than the client requested.

Syntax


HRESULT  Flush();

Parameters

This method has no parameters.

Return value

Flush returns one of the following values:

Return codeDescription
S_OK

Flush successfully discarded any extra data that WinUsb saved.

E_OUTOFMEMORY

Flush encountered an allocation failure.

An error code that is defined in Winerror.h

This value corresponds to the error code that the WinUsb API returned.

 

Remarks

The Flush method generates a UMDF request and synchronously sends the request to the I/O target.

For more information about how Flush works, see the WinUsb_FlushPipe function.

Requirements

End of support

Unavailable in UMDF 2.0 and later.

Minimum UMDF version

1.5

Header

Wudfusb.h (include Wudfusb.h)

DLL

WUDFx.dll

See also

IWDFUsbTargetPipe
WinUsb_FlushPipe

 

 

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