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<div class=Section1>

<h1>Windows Image Acquisition Preview</h1>

<h1><span style='font-size:14.0pt;mso-bidi-font-size:24.0pt;color:red'>[This is
preliminary documentation and subject to change.]<o:p></o:p></span></h1>

<h2>SUMMARY</h2>

<p>This directory contains samples and test tools for Windows Image Acquisition
(WIA), a new driver architecture and user interface for acquiring images from
still image devices such as scanners and digital still cameras. This
architecture is currently only supported by Millennium. These samples will not
run on Windows 2000, Windows 98, or Windows 95.</p>

<p>The samples and documentation are all in a preliminary form currently. Drivers
built with this DDK may not work on the released version of Millennium. We
encourage you to start working on drivers for WIA, but you should expect to
make some changes to your drivers between now and when Millennium is released.</p>

<h2>CONTENTS</h2>

<p>The following lists the contents of the WIA preview.</p>

<h3>DOCUMENTATION</h3>

<p>The documentation for WIA was not complete at the deadline for the Windows
2000 DDK, and was not included. Look for complete documentation in a future release
or on the WIA web site listed below.</p>

<p>Each sample contains documentation on how to build and run the sample.</p>

<h3>SCANNER SAMPLE DRIVER</h3>

<p>The Wiatscan directory contains a sample WIA driver for a scanner. See the
documentation file <a
href="wiatscan/Wiatscan.htm">Wiatscan.htm</a>
in the Wiatscan directory for more information.</p>

<h3>DIGITAL STILL CAMERA SAMPLE DRIVER</h3>

<p>The Testcam directory contains a sample WIA driver for a digital still
camera and the Extend directory contains a sample user interface extension. See
the documentation file <a
href="testcam/Testcam.htm">Testcam.htm</a>
in the Testcam directory and <a
href="extend/extend.htm">Extend.htm</a>
in the Extend directory for more information.</p>

<h3>TEST APPLICATION</h3>

<p>The Wiatest directory contains a binary for an application that can be used
to test drivers.</p>

<h3>APPLICATION SAMPLE</h3>

<p>The Getimage directory contains a very simple WIA application that shows how
to retrieve images from a device. See the documentation file <a
href="getimage/Getimage.htm">Getimage.htm</a>
in the Getimage directory for more information.</p>

<h2>USING THE SAMPLES</h2>

<p>To quickly build and test all of the samples, run the &#8220;build&#8221; command in the
src\preview\wdm\wia directory using the Free or Checked DDK Build Environment.
Then run the &#8220;copybins.cmd&#8221; batch file to gather all of the binaries into a
subdirectory named &#8220;wiabins&#8221;. The camera and scanner samples can be installed
in Millennium by using the &#8220;New Device&#8221; icon in the Scanners and Cameras control
panel. Use the &#8220;Have Disk&#8221; button to point to the wiabins\camera or
wiabins\scanner folder. Getimage.exe, Wiatest.exe, MS Paint, or any TWAIN
application can be used to test the samples.</p>

<p>For more information on building and using the samples, see the individual
documentation files referenced above.</p>

<h2>RESOURCES</h2>

<p>WIA information: <a href="http://www.microsoft.com/hwdev/wia">http://www.microsoft.com/hwdev/wia</a></p>

<p>DDK information: <a href="http://www.microsoft.com/ddk/">http://www.microsoft.com/ddk/</a></p>

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