Is it possible to customize the GUI of a WIA microdriver?

Hi,
I've downloaded the WIA sample drivers and I'm developing a WIA microdriver using the sample as my starting point. One thing I'm having trouble with is the interface, I would like to get rid of the last two buttons and the quality adjustment text if possible,
keeping only color and grayscale picture, but i have no idea where to change it. I've tried changing the SupportedDataTypes in the pScanInfo structure to only color and grayscale to no avail.
Here's what my interface is looking like:
Any tips where should I look so i can customize the interface?

WIA micro-drivers are a deprecated model which is still supported for legacy device compatibility. The model offers only support for WIA 1.0 (Windows XP) and is limited in functionality
even compared with real WIA 1.0 mini-drivers (mini-drivers which could replace the common WIA 1.0 Scan Dialog shown here with their own UI Extension Dialog).
Recommend for the developer to consider moving to a WIA 2.0 mini-driver. If using one of the WDK driver samples as a template (wiadriverex or prodscan) such driver development
should not that be very much complicated over a micro-driver, without any of the micro-driver limitations.
The two mentioned WIA 2.0 driver samples in MSDN:
https://code.msdn.microsoft.com/WIA-Microdriver-1972b1c5
Sample
Description
PRODUCTION SCANNING WIA 2.0 DRIVER
The ProdScan directory contains a sample WIA 2.0 mini-driver. This sample shows how to add Production Scanning features to a WIA 2.0 mini-driver.
EXTENDED WIA 2.0 MONSTER DRIVER
The Wiadriverex directory contains a sample WIA 2.0 mini-driver. This sample shows how to write a WIA 2.0 mini-driver that uses the stream-based WIA 2.0 transfer model. It also
shows an implementation of a very simple segmentation filter, image processing filter, and error handling extension for the WIA 2.0 mini-driver.
Best regards,
Marius

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What was the answer to this excellent question, please?
Mark
Student
Posts: 1
Registered: 05-14-2009
0
Is it possible to customize the halftone screen/angle used by the HP Laserjet 5000/5100
Options
05-14-2009 06:56 AM
Hi
When sending an image to print on our 5000s and 5100s I'd like for the printer to apply a halftone screen of 85 (frequency) and 45 (angle). However, the driver properties only has two settings - Standard and Enhanced.
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The Division has identity "RobotCourses:CLCV".
This Division contains a single Course with identity "RobotCourses:CLCV:CLCV115:CLCV115All-13564".
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The Permissions set on RobotCourses:CLCV in particular are:
<Permission>
<Credential>Authenticated@urn:mace:itunesu.com:sites:illinois.edu</Credential>
<Access>No Access</Access>
</Permission>
<Permission>
<Credential>gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV</C redential>
<Access>Download</Access>
</Permission>
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(Note here that "gakusei" is a Japanese word meaning "student," I am using it in my credentials to ensure that my credentials and permissions are not affected by other credentials named "student" set at upper levels and used by some live users of the site, as we do not have a segregated development environment. It is our lowest level of access beyond mere Authenticated@..., designed to give students access to download and "surf to" Divisions and Courses.)
*LOGIN: ISSUING CREDENTIALS:*
The login portal code works successfully, and so when a student "Jane Doe" logs in, she is in fact given appropriate credentials (as she is actually registered for CLCV 115 here at UIUC). From the code generating her login URL, I see:
Issued credentials:
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV:CLCV115:CLCV1 15All-13564
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT:STAT100:STAT1 00X1-13570
(You can see she is also registered for STAT 100).
With the default login URL thus generated, she is taken to the top level of the Site in iTunes, and in fact sees thumbnail links for both STAT (Statistics) and CLCV (Classical Civilizations). Clicking on STAT takes her to the STAT Division where she can then enter the Course STAT 100 with no problems.
*PROBLEM: CAN'T GET TO CLCV FROM THE MAIN PAGE IN THE GUI*
HOWEVER! Clicking on CLCV brings up the login page. If she ignores the login page, she can still access the rest of the site, including STAT, just fine. Logging in again (reissuing her credentials) does not help the situation.
Note that this is not a problem only for Jane Doe, the same thing happens for anyone in CLCV and in fact happens for me as Administrator of the whole site with full access, even.
*ACCESS DIRECTLY TO THE DIVISION BY URL WORKS*
With a slight modification to the login to allow access directly to the RobotCourses:CLCV Division (by adding the handle of the Division to the end of the location), credentials are issued exactly as before:
Issued credentials:
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV:CLCV115:CLCV1 15All-13564
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT
gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT:STAT100:STAT1 00X1-13570
and she is taken to the Division page, SUCCESSFULLY. So, it seems she actually HAS access, as expected.
*ACCESS CONFIRMED WITH DEBUGGING:*
Writing some code to generate not the actual login URL but rather a link that takes me to an "iTunes U Access Debugging" page for the Division (figured this out by reading some other posts! :)) I am taken to a page with the following:
(at generated URL https://deimos.apple.com/WebObjects/Core.woa/Browse/illinois.edu.1945806043/xxx5 64?credentials=....)
Received
Destination illinois.edu.1945806043
Identity "Jane X Doe" <[email protected]> (jxdoe) [xxxxxxxxx]
Credentials gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV; gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV:CLCV115:CLCV1 15All-13564; gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT; gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT:STAT100:STAT1 00X1-13570
Time 1236877947
Signature 42ccef92a3298684a7a09eed45adb6b788a700c01645b8b423d33ace120650b0
Analysis
The destination string is valid and the corresponding destination item was found.
The identity string is valid and provides the following information:
Display Name Jane X Doe
Email Address [email protected]
Username jxdoe
User Identifier xxxxxxxxx
The credential string is valid and contains the following 4 recognized credentials:
1. gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV
2. gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:CLCV:CLCV115:CLCV1 15All-13564
3. gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT
4. gakusei@urn:mace:itunesu.com:sites:illinois.edu:RobotCourses:STAT:STAT100:STAT1 00X1-13570
The time string is valid and corresponds to 2009-03-12 17:12:27Z.
The signature string is valid.
Access
Because the received signature and time were valid, the received identity and credentials were accepted by iTunes U.
In addition, the following 2 credentials were automatically added by iTunes U:
1. All@urn:mace:itunesu.com:sites:illinois.edu
2. Authenticated@urn:mace:itunesu.com:sites:illinois.edu
With these credentials, you have browsing and downloading access to the requested destination.
(In case you think to check the sums, be aware I've actually changed the student's name for this example.)
So, as expected, I have access, in fact the student DOES have access, visiting the Division page directly (specifiying its handle as part of the desired location).
*IT'S ONLY CLICKING THE THUMBNAIL ON THE MAIN PAGE THAT BREAKS*
Because the problem is only apparent when clicking the icon for the Division on the main Site page, I have no way (that I know of) to get any information about precisely WHAT is going on, what possibly differs in the GUI-click situation from the "generate me a URL that takes me right there" situation.
At that point I'm fully in the GUI, I'm not sending anything via web services, so I have no idea how I can proceed to debug this from here.
I'm also quite confused at the sudden appearance of this behavior, and the disappearance of this behavior from RobotCourses:PYSC, another Division that was broken in this same way all last week but which magically resumed allowing me access yesterday.
Any suggestions, hints, or advice would be very welcome. Has anyone else even seen behavior similar to this?
Thanks for any information you might have.

Maiko,
I'm confess I'm still trying to get a handle on your problem. You do a fantastic job of describing it ... but I'm just trying to picture it accurately in my head.
I think, were I in your shoes, I'd begin by looking at what the debug page has to say for the specific destination in which you're interested in fixing. In other words, I'm not clear on where, exactly, this destination points ...
Destination illinois.edu.1945806043
Is that your site, or the division within your site that you want to fix? "Normally", you do not need to specify a site handle to get to your site within your transfer CGI ... if you say "uillinois.edu", it's enough to transfer your users to iTunes U ... but every site still has a handle, and you could, if you wanted to, actually specify it in your transfer CGI. For example, this:
Destination uic.edu.1139051993
is for my entire site ... it's my site handle. Whereas this:
Destination uic.edu.1991288441
is for a division within my site ... but it's impossible to tell the difference between "site" and "division" from just the handle (I mean, if I didn't say "this is a site" and "this is a division", there'd be no way for you to know). So when I look at your creds and permissions on your debug page, I can't quite tell if they give you download access for your site, or for the specific division you want to fix. If you could open the debug page with your division as destination (or confirm that that's what we're looking at), it'd rule out some things.

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Message was edited by:
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