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 Copyright © 1998-1999 Mark Russinovich

 Last Updated January 8, 1999, Version 2.1
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          Introduction DebugView is a GUI/device driver combination that
                       monitors and displays kernel-mode and Win32 debug
                       output. This makes it possible to see any kind of
                       debug output without a debugger, which is
                       otherwise necessary.

                       DebugView works on NT4.0, 5.0 (Windows 2000),
                       Windows 95 and Windows 98.

  Installation and Use Under Windows 9x DebugView will capture output
                       from the following sources:

                          * Win32 OutputDebugString
                          * Kernel-mode Out_Debug_String
                          * Kernel-mode _Debug_Printf_Service

                       Under Windows NT and Win2k DebugView will capture:

                          * Win32 OutputDebugString
                          * Kernel-mode DebugPrint

                       To run DebugView, simply execute dbgview.exe from
                       the directory in which its drivers are installed.
                       Toolbar buttons and menu items can be used to
                       configure filters, keep the DebugView window
                       on-top, change the window font, and save monitored
                       output to a file.

                       Note that if you run a program from in DevStudio
                       that DebugView will not see its Win32 debug
                       output, since the DevStudio debugger will capture
                       it.

     Pass-Through Mode DebugView can be configured to pass kernel-mode
                       debug output to a kernel-mode debugger, or to
                       swallow the output. The pass-through mode allows
                       you to see kernel-mode debug output in the output
                       buffers of a conventional kernel-mode debugger
                       while at the same time viewing it in DebugView.

      Setting the Time DebugView will display time-stamps in one of two
            Stamp Mode formats. The default format is clock format, and
                       when set will result in output lines being marked
                       with the time of day that they were generated. In
                       high-resolution mode DbgView presents an output
                       line’s time stamp as the number of seconds that
                       have elapsed between the time DbgView was started
                       and the time the output was generated. If the
                       display is cleared, then the time of the clear
                       operation becomes the new elapsed-time reference
                       point. DbgView’s high-resolution mode uses the
                       system performance counter interface to obtain the
                       highest resolution timestamp possible.

      Setting a Filter You can direct DbgView to only display output
                       lines that match specific filter strings. Using
                       the toolbar Filter button or the menu option you
                       can open the filter dialog box. Enter any number
                       of filter strings with ‘;’ characters separating
                       them. The ‘*’ is a wildcard character that makes
                       it possible to construct arbitrarily complex
                       sub-expression filters. For example,
                       ‘*filter*string*’ would match any output lines
                       containing the sub-strings ‘filter’ and ‘string’
                       with any number of characters before, between and
                       after them.

     Sample Screenshot This is a screenshot of DebugView capturing
                       Regmon's DbgPrint output.

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  In order to help us track its use, please download through the link that
                    represents the operating system on
                which you will use or mostly use DebugView.
    Note that the zip files are identical, and DebugView runs on either
                                 platform.

   Download DebugView (x86 - 48KB) - you plan on using DebugView on Win9x

   Download DebugView (x86 48KB) - you plan on using DebugView on WinNT

                     Download DebugView (Alpha - 72KB)

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