Winusb.sys and winusb.lib source

Discussion in 'Windows Vista Drivers' started by xxx, Jan 30, 2008.

  1. xxx

    xxx Guest

    Hi ,
    Is the source code of winusb.sys and winusb.lib available. It could be
    needed if some optimization is to be done.

    xxx, Jan 30, 2008
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  2. no, the source is not available. what do you think needs to be optimized?
    Doron Holan [MSFT], Jan 30, 2008
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  3. xxx


    Sep 4, 2009
    Likes Received:
    can I install lower driver filter and upper driver filter for winusb.sys

    I would like to see the actual Ioctl traffic in winusb.sys. I read the basic WDM ddk and one of the table tells me that upper and lower filter drivers are not supported. Is this really true? If so, is there a reason for that?

    Edward.tse, Sep 4, 2009
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