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• Application error: fault address 0x00012afb (Expert)

  - by Christian Almeida

  Hi, I need some "light" to get a solution. Probably there are tons of things that cause this problem, but maybe somebody could help me. Scenario: a Windows server running 24/7 a PostgreSQL database and others server applications (for processing tasks on database, etc...). There are differents servers scenarios (~30), with different hardware and windows versions (XP SP3/ WinServer, etc... all NT based). All aplications were written in Delphi7, and link to DLLs (in D7 also). After some days (sometimes a week, sometimes a couple of months), Windows begins to act strange, like not opening start menu, some buttons are missing in dialogs. And soon some applications do not open, raising a event on eventviewer: Faulting application x, version y, faulting module kernel32.dll, version 5.1.2600.5781, fault address 0x00012afb In mean while, others applications open fine, like notepad, iexplore, etc... but SOME of my applications don't, with only event log described above. But if we do not restart system, in a few days even cmd.exe stops open, (and all other applications) with same error on eventlog. I've tried to find 'what' can cause this, but with no sucess. So, and any advice will be welcome. Thanks in advance.

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• Generating Java classes out of XMLSchema.xsd using JAXB

  - by Christian Schulz

  I'm using jaxb to generate java classes out of a xml schema. The schema imports XMLSchema.xsd and its content is used as an element in the document. If I remove the import and the reference to "xsd:schema" respectively then the binding compiler generates successfully the classes. If I do not then it would produce the following errors, which are the same if I would try to generate Java classes from the XMLSchema.xsd only! C:\Users\me"%JAXB%/xjc" -extension -d tmp/uisocketdesc -p uis.jaxb uisocketdesc.xsd -b xml_binding_test.xml -b xml_binding_test_2.xml -b xml_binding_test_3.xml parsing a schema... compiling a schema... [ERROR] A class/interface with the same name "uis.jaxb.ComplexType" is already in use. Use a class customization to resolve this conflict. line 612 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Relevant to above error) another "ComplexType" is generated from here. line 440 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] A class/interface with the same name "uis.jaxb.Attribute" is already in use. Use a class customization to resolve this conflict. line 364 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Relevant to above error) another "Attribute" is generated from here. line 1020 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] A class/interface with the same name "uis.jaxb.SimpleType" is already in use. Use a class customization to resolve this conflict. line 2278 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Relevant to above error) another "SimpleType" is generated from here. line 2222 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] A class/interface with the same name "uis.jaxb.Group" is already in use. Use a class customization to resolve this conflict. line 930 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Relevant to above error) another "Group" is generated from here. line 727 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] A class/interface with the same name "uis.jaxb.AttributeGroup" is already in use. Use a class customization to resolve this conflict. line 1062 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Relevant to above error) another "AttributeGroup" is generated from here. line 1026 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] A class/interface with the same name "uis.jaxb.Element" is already in use. Use a class customization to resolve this conflict. line 721 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Relevant to above error) another "Element" is generated from here. line 647 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] Two declarations cause a collision in the ObjectFactory class. line 1020 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Related to above error) This is the other declaration. line 364 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] Two declarations cause a collision in the ObjectFactory class. line 2278 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Related to above error) This is the other declaration. line 2222 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] Two declarations cause a collision in the ObjectFactory class. line 930 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Related to above error) This is the other declaration. line 727 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] Two declarations cause a collision in the ObjectFactory class. line 440 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Related to above error) This is the other declaration. line 612 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] Two declarations cause a collision in the ObjectFactory class. line 1026 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Related to above error) This is the other declaration. line 1062 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] Two declarations cause a collision in the ObjectFactory class. line 647 of "http://www.w3.org/2001/XMLSchema.xsd" [ERROR] (Related to above error) This is the other declaration. line 721 of "http://www.w3.org/2001/XMLSchema.xsd" Failed to produce code.

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• How to programatically self delete? (C# WinMobile)

  - by Christian Almeida

  How to programatically self delete? C# / .NetCF2 / Windows Mobile 6 Please, I don't want to discuss WHY to do it, I just need to know HOW to do it! Important: The "second application" approach is NOT an option. (Unless that second application can be "extracted" from running app, but I don't know how to do it!). No problem in forced reboot, if windows do the trick at startup. (Is it possible? Nice! Show me how!). Code samples are welcome.

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• Animating sprites in Cocos2d

  - by Christian Budtz

  How do I avoid unneccesary deallocation? I'm running this code: CCSpriteFrameCache * cache = [CCSpriteFrameCache sharedSpriteFrameCache]; [cache addSpriteFramesWithFile:@"boosttexture.plist"]; CCAnimation * animation = [[CCAnimation alloc] initWithName:@"boosting" delay:1/24.0f]; [animation addFrame:[cache spriteFrameByName:@"ship.png"]]; [animation addFrame:[cache spriteFrameByName:@"ship_boost_l_r.png"]]; id action = [CCRepeatForever actionWithAction:[CCAnimate actionWithAnimation:animation]]; [spaceShipSprite runAction:action]; When the animaton is running (granted - its an ugly one), I get this in the console: 2010-04-14 13:40:16.311 Booster2K10Beta[521:20b] cocos2d: deallocing CCSpriteFrame = 00EBA620 | TextureName=4, Rect = (1.00,32.00,32.00,32.00) 2010-04-14 13:40:16.411 Booster2K10Beta[521:20b] cocos2d: deallocing CCSpriteFrame = 00EBA620 | TextureName=4, Rect = (1.00,32.00,32.00,32.00) 2010-04-14 13:40:16.496 Booster2K10Beta[521:20b] cocos2d: deallocing CCSpriteFrame = 00EBA620 | TextureName=4, Rect = (1.00,32.00,32.00,32.00) It seems unneccesary that the same SpriteFrame gets dealloc'ed 24 times per second - how do I avoid that?

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• Help me choose a CSS framework: 960 vs Blueprint vs ???

  - by Christian Perry

  I've been looking at different CSS frameworks. The two major players seem to be 960.gs and Blueprint. My question is simple: what are the pros and cons to each, and which do you recommend? And are there other frameworks that I should consider instead? Putting my question into context, I'm the designer on a site that's similar to StackOverflow, but with a general audience focus, rather than a specific technical one.

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• Device Driver IRQL and Thread/Context Switches

  - by Christian Hoglund

  Hi, I'm new to Windows device driver programming. I know that certain operations can only be performed at IRQL PASSIVE_LEVEL. For example, Microsoft have this sample code of how to write to a file from a kernel driver: if (KeGetCurrentIrql() != PASSIVE_LEVEL) return STATUS_INVALID_DEVICE_STATE; Status = ZwCreateFile(...); My question is this: What is preventing the IRQL from being raised after the KeGetCurrentIrql() check above? Say a context or thread swithch occurs, couldn't the IRQL suddenly be DISPATCH_LEVEL when it gets back to my driver which would then result in a system crash? If this is NOT possible then why not just check the IRQL in the DriverEntry function and be done with it once for all?

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• CSS positioning inside div

  - by christian

  I am using a div with 2 elements inside and I want to position my 1st element to be vertically aligned top and 2nd element to the bottom of the div. The div is the right portion of my page and equal to the height of my main content. #right { float:right; width: 19%; background:#FF3300; margin-left:2px; padding-bottom: 100%; margin-bottom: -100%; } #right .top { display:block; background-color:#CCCCCC; } #right .bottom { bottom:0px; display:block; background-color:#FFCCFF; height:60px; } HTML: <div id="right"> <span class="top">Top element</span> <span class="bottom"><img src="images/logo_footer1.gif" width="57" height="57" align="left" class="img">&nbsp;<img src="images/logo_footer2.gif" width="57" height="57" align="right" class="img"></span> </div> I want the right div to be like this:

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• How to autoscroll on WPF datagrid

  - by Christian

  Hi, I think I am stupid. I searched now for 15 minutes, and found several different solutions for scrolling on datagrids, but none seems to work for me. I am using WPF with .NET 3.5 and the WPF Toolkit DataGrid. My grid gets updated when my observable collection changes, works perfectly. Now, my DataGrid is located inside a normal Grid and scrollbars appear if the DataGrid gets to big. Also fine... And know, the 1.000.000 $ question: How do I get the datagrid to scroll to the last row. There is: no AutoScroll Property no CurrentRowSelected Index a CurrentCell, but no Collection I could use for CurrentCell = AllCells.Last Any ideas? I feel really stupid, and it seems strange that this question is so hard. What am I missing?

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• Migrating complex SVN branch hierarchy to Mercurial

  - by Christian Hang

  Our team has been using SVN for managing an application of decent size and over time a rather complex hierarchy of branches and tags has built up, which is following the basic standard layout for SVN repositories, but is more nested: |-trunk |-branches | |-releases | | |-releaseA | | `-releaseB | `-features | |-featureX | `-featureY |-tags |-releaseA | |-beta | `-RTP `-releaseB |-beta `-RTP (The feature branches are obviously temporary branches but we have to take them into consideration as it won't be feasible to close all of them at once in the near future) For several reasons but primarily because merges have been becoming an increasing pain, we are considering to switch to Mercurial. The main problem we are currently facing is migrating the existing code base without losing our history. I've tried several migration tools (e.g., yasvn2hg, hg convert and svn2hg) with yasvn2hg being the most promising, but none of them seem to be able to deal with nested hierarchies but they all assume that branches and tags are organized in one flat directory respectively. The choice between named branches or clones as the conversion target of old SVN branches is not a limiting factor in this case, as either solution would be appreciated. We are currently experimenting with both options and how they would fit into our current processes but haven't decided on one yet. I'd obviously be interested in recommendations or experiences with similar setups concerning that issue as well. So, what is the best way to convert a nested SVN branch hierarchy like this to Mercurial? Converting one branch at a time into a separate repository would be quite annoying and I am not sure if that would be the right approach in the first place, depending on how the tools handle historic merges and need to be aware of all other branches?

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• What permissions/rights are needed to run regsvr32 /s /c "myocx.ocx"

  - by Christian Rodemeyer

  I have a WindowsXP configured as a build machine. The build process runs under an account which isn't an administrator. Some projects register as a last step an ocx control with something like regsvr32 /s /c ".\debug\myocx.ocx" This step fails and I assume that this has something to do with rights because doing the same under an admin account works fine. What rights/permissions/policies do I need to give the build account and where do I do it? (Browsing Local Users and Groups and Local Security Settings haven't helped me)

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• Does the WMI event Win32_VolumeChangeEvent work on Windows XP

  - by Christian Rodemeyer

  I'm trying to use the following c# code to detect the attached/removed event of usb mass storage devices. I'm using the Win32_VolumeChangeEvent. // Initialize an event watcher and subscribe to events that match this query var _watcher = new ManagementEventWatcher("select * from Win32_VolumeChangeEvent"); _watcher.EventArrived += OnDeviceChanged; _watcher.Start(); void OnDeviceChanged(object sender, EventArrivedEventArgs args) { Console.WriteLine(args.NewEvent.GetText(TextFormat.Mof)); } The problem is that this works fine on Vista but it doesn't work on XP at all (no events received). The Microsoft documentation says that this should work (http://msdn.microsoft.com/en-us/library/aa394516(VS.85).aspx). I googled for this quite a while and found other that have this problem too. But I also found a couple of articles which claim that this kind of query (mostly in vbscript) works with XP. But I cannot find some offical information from microsoft for this issue and I can't believe that Microsoft have overlooked this issue for three service packs. So my question is: has anybody used the Win32_VolumeChangeEvent with success on XP or can provide a link/explanation why it shouldn't work on XP?

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• Loading Magento child html outside of Magento

  - by Christian Thamer

  I am loading Magento blocks outside of Magento for certain parts of my site. I can do this successfully with something similar the following. require_once $docRoot.'/app/Mage.php'; umask(0); Mage::app('default'); ... $layout = Mage::getSingleton('core/layout'); $block = $layout->createBlock('Mage_Page_Block_Html_Header'); $block->setTemplate('page/html/header.phtml'); echo $block->renderView(); The problem is that if the block I am rending has child blocks(html) they are not included in the output. In the example above the file header.phtml contains the following call for child html that is missing from the output. ... <?php echo $this->getChildHtml('topLinks') ?> ...

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• how caching is implemented using PHP GD

  - by christian

  I want to cache the images of my gallery. Generating images every pages load using GD uses a lot of memory, So I am planning to create a cache image for the images generated by php script done with GD. What will be the best thing to create cache?

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• Searching a large list of words in another large list

  - by Christian

  I have a list of 1,000,000 strings with a maximum length of 256 with protein names. Every string has an associated ID. I have another list of 4,000,000,000 strings with a maximum length of 256 with words out of articles and every word has an ID. I want to find all matches between the list of protein names and the list of words of the articles. Which algorithm should I use? Should I use some prebuild API? It would be good if the algorithm runs on a normal PC without special hardware.

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• Eclipse Pydev: Supress no-self errors in python wrappers generated with swig

  - by Christian

  Hi, when generating python wrappers with swig the python wrapper classes in the generated python file do not have an explicit self parameter, for example see below: class PySwigIterator(_object): def value(*args): return _spatiotemporalnmf.PySwigIterator_value(*args) def incr(*args): return _spatiotemporalnmf.PySwigIterator_incr(*args) def decr(*args): return _spatiotemporalnmf.PySwigIterator_decr(*args) def distance(*args): return _spatiotemporalnmf.PySwigIterator_distance(*args) I am developing with the eclipse pluging Pydev. Pydev always shows an error when it detects a method without explicit self parameter. I am aware of two methods to get rid of the errors: First, disable error checking for the whole project in the Pydev preferences. Second, add a #@NoSelf to every line with an error. I don't want to use the first one, because I still want to get error warnings for my non-swig-generated files. Obviously the second one is also not very good, because I would have to do it by hand and every time I generate the file again, all #@NoSelfs will be gone. My Question now is, is there a better way to achieve this? Thanks

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• How can I create a PFX file from a Java Keystore?

  - by Christian Berg

  I have a Java keystore (.jks file) holding a single certificate. How can I create a .pfx file from this keystore?

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• Threading best practice when using SFTP in C#

  - by Christian

  Ok, this is more one of these "conceptual questions", but I hope I got some pointers in the right direction. First the desired scenario: I want to query an SFTP server for directory and file lists I want to upload or download files simulaneously Both things are pretty easy using a SFTP class provided by Tamir.SharpSsh, but if I only use one thread, it is kind of slow. Especially the recursion into subdirs gets very "UI blocking", because we are talking about 10.000 of directories. My basic approach is simple, create some kind of "pool" where I keep 10 open SFTP connections. Then query the first worker for a list of dirs. If this list was obtained, send the next free workers (e.g. 1-10, first one is also free again) to get the subdirectory details. As soon as there is a worker free, send him for the subsubdirs. And so on... I know the ThreadPool, simple Threads and did some Tests. What confuses me a little bit is the following: I basically need... A list of threads I create, say 10 Connect all threads to the server If a connection drops, create a new thread / sftp client If there is work to do, take the first free thread and handle the work I am currently not sure about the implementation details, especially the "work to do" and the "maintain list of threads" parts. Is it a good idea to: Enclose the work in an object, containing a job description (path) and a callback Send the threads into an infinite loop with 100ms wait to wait for work If SFTP is dead, either revive it, or kill the whole thread and create a new one How to encapsulate this, do I write my own "10ThreadsManager" or are there some out Ok, so far... Btw, I could also use PRISM events and commands, but I think the problem is unrelated. Perhaps the EventModel to signal a done processing of a "work package"... Thanks for any ideas, critic.. Chris

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• Automated processing of an Email in C#

  - by Christian Payne

  Hi All, Similar question as this one but for a Microsoft Environment. Email -- Exchange Server --[something] For the [something] I was using Outlook 2003 & C# but it feels messy (A program is trying to access outlook, this could be a virus etc) Microsoft.Office.Interop.Outlook.Application objOutlook = new Microsoft.Office.Interop.Outlook.Application(); Microsoft.Office.Interop.Outlook.NameSpace objNS = objOutlook.GetNamespace("MAPI"); objNS.Logon("MAPIProfile", "MAPIPassword", false, true); Is this the best way to do it? Is there a better way of retrieving and processing emails in a Microsoft environment???

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• Loading Eclipse plug-ins from source .jar without project file

  - by Christian P.

  I have a number of plug-ins meant for the OSGi framework. They have been bundled in individual .jars containing the source .java files as well as the needed MANIFEST.MF and plugin.properties files. The problem is, I wish to edit these. What is the best/easiest way to import them as plug-ins into Eclipse so that I can continue as if I had been handed an eclipse project with source files (instead of the .jar files). For those interested, the files can be found here: https://sourceforge.net/projects/domoticdog/files/ (Dog2.0.8_source).

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• Using inotify-tools and ruby to push uploads to Cloud Files

  - by Christian

  Hi Guys, I wrote a few scripts to monitor an uploads directory for changes, then capture the file uploaded/changed and push it to cloud files using a ruby script. This all works well 95% of the time, the only exception is that occasionally, ruby fails with a 'file does not exist' exception. I am assuming that the ruby 'push' script is being called before the file is 100% in its new location, so the script is being called a little prematurely. I tried adding a little function to my script to check if the file exists, if it doesn't, sleep 5 then try again, but this seems to snowball and eventually dies. I then just added a sleep 2 to all calls, but it hasn't helped as I now get the 'file does not exist' error again. #!/bin/sh function checkExists { if [ ! -e "$1" ] then sleep 5 checkExists $1 fi } inotifywait -mr --timefmt '%d/%m/%y-%H:%M' --format '%T %w %f' -e modify,moved_to,create,delete /home/skylines/html/forums/uploads | while read date dir file; do cloudpath=${dir:20}${file} localpath=${dir}${file} #checkExists $localpath sleep 2 ruby /home/cbiggins/bin/pushToCloud.rb skylinesaustralia.com $cloudpath $localpath echo "${date} ruby /home/cbiggins/bin/pushToCloud.rb skylinesaustralia.com $cloudpath $localpath" >> /var/log/pushToCloud.log done I am looking for any suggestions to help me make this 100% stable (eventually, I'll serve the uploaded files from Cloud FIles, so I need to make sure its perfect) Thanks in advance!

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• current location from CoreLocation

  - by Christian

  I have an App which launches the google Map App. The code is: UIApplication *app = [UIApplication sharedApplication]; [app openURL:[[NSURL alloc] initWithString: @"http://maps.google.com/maps?daddr=Obere+Laube,+Konstanz,+Germany&saddr="]]; The saddr= should be the current location. I get the current location with -(void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation { NSLog(@"%f,%f", [newLocation coordinate]); The Log displays the correct coordinates like 2010-04-05 15:33:25.436 deBordeaux[60657:207] 37.331689,-122.030731 I didn't find the right way to transmit the coordinates to the url-string. Does someone can give me a hint how-to?

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• How to only round selected corners in a fancytitle box with Tikz

  - by Christian Jonassen

  If you take a look at http://www.texample.net/tikz/examples/boxes-with-text-and-math/ the boxes there are with rounded corners. In the examples, both the box itself and the title is a box. I want the title box to not have the bottom corners rounded. On page 120 in the manual, there is a description of how to draw with and without rounded corners. However, I want to use this in a fancytitle. It looks a bit silly to have the fancytitle as a box where all corners are rounded when it is as wide as the box itself. \begin{tikzpicture}[baseline=-2cm] \node [mybox] (box){ \begin{minipage}[t!]{0.50\textwidth} Help, I'm a box \end{minipage} }; \node[fancytitle, text width=0.5423\textwidth, text centered, rounded corners] at (box.north) {Help, I'm a title}; \end{tikzpicture} The style I use is this \tikzstyle{mybox} = [draw=red, fill=blue!20, very thick, rectangle, rounded corners, inner sep=10pt, inner ysep=20pt] \tikzstyle{fancytitle} = [fill=red, text=white]

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• HTML tidy/cleaning in Ruby 1.9

  - by Christian

  I'm currently using the RubyTidy Ruby bindings for HTML tidy to make sure HTML I receive is well-formed. Currently this library is the only thing holding me back from getting a Rails application on Ruby 1.9. Are there any alternative libraries out there that will tidy up chunks of HTML on Ruby 1.9?

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• WCF: How to detect new connections to WCF PerSession services ?

  - by Christian Toma

  I have a self-hosted WCF service with the InstanceContextMode set to PerSession. How can I detect new client connections (sessions) to my service from the host application and use that new session context to observe my service trough its events? Something like: [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)] public class MyService : IMyService { public event EventHandler ClientRegistered; public event EventHandler FileUploaded; } and from my host application to be able to do: ServiceHost svc = new ServiceHost(typeof(MyService)); svc.Open(); // something like: svc.NewSession += new EventHandler(...) //... public void SessionHandler(InstanceContext SessionContext) { MySessionHandler NewSessionHandler = new MySessionHandler(SessionContext); // From MySessionHandler I handle the service's events (FileUploaded, ClientRegistered) // for this session and notify the UI of any changes. NewSessionHandler.Handle(); }

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• Track "commands" send to WPF window by touchpad (Bamboo)

  - by Christian

  Hi, I just bought a touchpad wich allows drawing and using multitouch. The api is not supported fully by windows 7, so I have to rely on the build in config dialog. The basic features are working, so if I draw something in my WPF tool, and use both fingers to do a right click, I can e.g. change the color. What I want to do now is assign other functions to special features in WPF. Does anybody know how to find out in what way the pad communicates with the app? It works e.g. in Firefox to scroll, like it should (shown on this photo). But I do not know how to hookup the scroll event, I tried a Scrollviewer (which ignores my scroll attempts) and I also hooked up an event with the keypressed, but it does not fire (I assume the pad does not "press a key" but somehow sends the "scroll" command direclty. How can I catch that command in WPF? Thanks a lot, Chris [EDIT] I got the scroll to work, but only up and down, not left and right. It was just a stupid "listbox in scrollviewer" mistake. But still not sure about commands like ZOOM in (which is working even in paint).. Which API contains such things? [EDIT2] Funny, the zoom works in Firefox, the horizontal scrolling does not. But, in paint, the horizontal scrolling works... [EDIT 3] Just asked in the wacom forum, lets see about vendor support reaction time... http://forum.wacom.eu/viewtopic.php?f=4&t=1939 Here is a picture of the config surface to get the idea what I am talking about: (Bamboo settings, I try to catch these commands in WPF)

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