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• C# - Screenshot of process under Windows Service

  - by Jonathan.Peppers

  We have to run a process from a windows service and get a screenshot from it. We tried the BitBlt and PrintWindow Win32 calls, but both give blank (black) bitmaps. If we run our code from a normal user process, it works just fine. Is this something that is even possible? Or could there be another method to try? Things we tried: Windows service running as Local System, runs process as Local System - screenshot fails Windows service running as Administrator, runs process as Administrator - screenshot fails. Windows application running as user XYZ, runs a process as XYZ - screenshot works with both BitBlt or PrintWindow. Tried checking "Allow service to interact with desktop" from Local System We also noticed that PrintWindow works better for our case, it works if the window is behind another window. For other requirements, both the parent and child processes must be under the same user. We can't really use impersonation from one process to another.

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• Delphi and Microsoft ATL security issue

  - by Jens Nordenbro

  My impression is that standard Delphi uses the Win32 API. Recently Microsoft has been communicating a problem regarding ATL that requires application developers to rebuild ATL-using applications after installing an update on their machines. Will this practice be the general case also for Delphi developers, or are they in the clear with the exception of Delphi code using third party ATL COM objects? Sources: Microsoft Security: Protect your computer from the Active Template Library (ATL) security vulnerability MSDN VC++ DevCenter: Active Template Library Security Update for Developers Microsoft Security Advisory (973882): Vulnerabilities in Microsoft Active Template Library (ATL) Could Allow Remote Code Execution Microsoft Security Bulletin MS09-034 - Critical: Cumulative Security Update for Internet Explorer (972260) Microsoft Security Bulletin MS09-035 - Moderate: Vulnerabilities in Visual Studio Active Template Library Could Allow Remote Code Execution (969706)

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• .net framework sdk version(csc.exe) using vcbuild.exe on the command line.

  - by r9r9r9

  I create a c# class library project named: testVcBuild, then use vcbuild.exe to build the project in the command line like: C:\Program Files\Microsoft Visual Studio 9.0\VC\vcpackages>vcbuild testVcBuild.csproj "Debug|Win32" the out put shows: Microsoft (R) Visual C++ Project Builder - Command Line Version 9.00.21022 Copyright (C) Microsoft Corporation. All rights reserved. Microsoft (R) Build Engine Version 2.0.50727.4927 [Microsoft .NET Framework, Version 2.0.50727.4927] Copyright (C) Microsoft Corporation 2005. All rights reserved. I found that the vcbuild.exe always call the "C:\Windows\Microsoft.NET\Framework\v2.0.50727\Csc.exe /noconfig .." the problem is how can I change the Framework version to v3.5? I found my project works fine with the v3.5 but it's broken in the v2.0.50727. I try to use msbuild.exe instead of vcbuild.exe, everything goes well, I just don't understand how can I make it with the vcbuild.exe? win7+vs2005+vs2008 installed.

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• Installing PygraphViz on Windows, Python 2.6

  - by jbochi

  Anybody out there has successfully installed PygraphViz on Windows? Since there is not an official release for Windows, I'm trying to build it myself, but it fails to compile. I'm not the first one to face this issue, but I could not find an answer. This is the console output: C:\Python26\Lib\site-packages\pygraphviz-0.99.1>c:\python26\python.exe setup.py install library_path=C:/Program Files/Graphviz2.26.3/lib/debug/dll include_path=C:/Program Files/Graphviz2.26.3/include/graphviz running install running build running build_py running build_ext building 'pygraphviz._graphviz' extension C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN\cl.exe /c /nologo /Ox /MD /W 3 /GS- /DNDEBUG "-IC:/Program Files/Graphviz2.26.3/include/graphviz" -Ic:\python 26\include -Ic:\python26\PC /Tcpygraphviz/graphviz_wrap.c /Fobuild\temp.win32-2. 6\Release\pygraphviz/graphviz_wrap.obj graphviz_wrap.c warning: I don't know what to do with 'runtime_library_dirs': ['C:/Program Files /Graphviz2.26.3/lib/debug/dll'] error: don't know how to set runtime library search path for MSVC++ Any help would be appreciated!

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• JMF Registry could not add item (Vista)

  - by Ranch

  Hello, I'm using JMF to capture video stream (webcam) on my Java project. The camera I'm using is recognized by JMF (JFMStudio) and I manage to get the video stream. However, on JMF Registry Editor - there's a list of available capture devices, when I click "Add" on one of the items (including the one I need) I get a "Could not add item" error. Therefore this camera is not set in the registry of it (god know where) and later on it is not recognized by my project: RGBFormat fmt = new RGBFormat(); // could be YUV - doesn't matter Vector v = CaptureDeviceManager.getDeviceList(fmt); v is empty (while I know the video source is recognized by Java , since I manage to get video on JMF Studio). Now, this happens only on Vista (where else) and not on XP. I have a suspiction that somehow Vista security blocks Java from writing the registry file, but of course, I might be wrong. One more comments: this is vfw:Microsoft WDM Image Capture(Win32):0 device. Any idea ?

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• Error setting up thrift modules for python

  - by MMRUser

  Hi, I'm trying to set up thrift in order to incorporate with Cassandra, so when I ran the setup.py it out puts this message in command line running build running build_py running build_ext building 'thrift.protocol.fastbinary' extension C:\MinGW\bin\gcc.exe -mno-cygwin -mdll -O -Wall -IC:\Python26\include -IC:\Pytho n26\PC -c src/protocol/fastbinary.c -o build\temp.win32-2.6\Release\src\protocol \fastbinary.o src/protocol/fastbinary.c:24:24: netinet/in.h: No such file or directory src/protocol/fastbinary.c:85:4: #error "Cannot determine endianness" src/protocol/fastbinary.c: In function `writeI16': src/protocol/fastbinary.c:295: warning: implicit declaration of function `htons' src/protocol/fastbinary.c: In function `writeI32': src/protocol/fastbinary.c:300: warning: implicit declaration of function `htonl' src/protocol/fastbinary.c: In function `readI16': src/protocol/fastbinary.c:688: warning: implicit declaration of function `ntohs' src/protocol/fastbinary.c: In function `readI32': src/protocol/fastbinary.c:696: warning: implicit declaration of function `ntohl' error: command 'gcc' failed with exit status 1 Need some helping on this issue.I have already install the MigW32 Thanks.

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• SSAS 2008 backup/restore fails with a GetOverlappedResult 'Insufficient system resources exist to co

  - by Anant Aneja

  Hi, On my SSAS 2008 instance if a backup/restore of any database is made to/from a UNC path I get an error : The following system error occurred from a call to GetOverlappedResult for Physical file: '\server\share\OLAPDB.abf', Logical file: '' : Insufficient system resources exist to complete the requested service. . Server: The operation has been cancelled. (Microsoft.AnalysisServices) Creating/copying/moving a file on the share of any size on the share using explorer or the command prompt works. The most useful link I could find is : http://www.tech-archive.net/Archive/Development/microsoft.public.win32.programmer.kernel/2004-07/0475.html Can anyone shed more light on what could be causing this error ? (I've posted the same question on the SSAS forums - just a heads up)

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• Importing .dll into Qt

  - by Bad Man

  I want to bring a .dll dependency into my Qt project. So I added this to my .pro file: win32 { LIBS += C:\lib\dependency.lib LIBS += C:\lib\dependency.dll } And then (I don't know if this is the right syntax or not) #include <windows.h> Q_DECL_IMPORT int WINAPI DoSomething(); btw the .dll looks something like this: #include <windows.h> BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { return TRUE; } extern "C" { int WINAPI DoSomething() { return -1; } }; Getting error: unresolved symbol? Note: I'm not experienced with .dll's outside of .NET's ez pz assembly architechture, definitely a n00b.

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• Setting treeview background color in VB6 has a flaw - help?

  - by RenMan

  I have successfully implemented this method of using the Win32 API to set the background color of a treeview in VB 6: http://support.microsoft.com/kb/178491 However, one thing goes wrong: when you expand the tree nodes more than two levels deep, the area to the left of (and sometimes under) the inner plus [+] and minus [-] signs is still white. Does anyone know how to get this area to the correct background color, too? Note: I'm also setting the BackColor of each node, and also the BackColor of the treeview's imagelist. Here's my version of the code: Public Sub TreeView_SetBackgroundColor(TreeView As MSComctlLib.TreeView, BackgroundColor As Long) Dim lStyle As Long, Node As MSComctlLib.Node For Each Node In TreeView.Nodes Node.BackColor = BackgroundColor Next TreeView.ImageList.BackColor = BackgroundColor Call SendMessage( _ TreeView.hwnd, _ TVM_SETBKCOLOR, _ 0, _ ByVal BackgroundColor) 'Now reset the style so that the tree lines appear properly. lStyle = GetWindowLong(TreeView.hwnd, GWL_STYLE) Call SetWindowLong(TreeView.hwnd, GWL_STYLE, lStyle - TVS_HASLINES) Call SetWindowLong(TreeView.hwnd, GWL_STYLE, lStyle) End Sub

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• C++ Winsock non-blocking/async UDP socket

  - by Ragnagard

  Hi all! I'm developping a little data processor in c++ over UDP sockets, and have a thread (just one, and apart the sockets) that process the info received from them. My problem happens when i need to receive info from multiple clients in the socket at the same time. How could i do something like: Socket foo; /* init socket vars and attribs */ while (serving){ thread_processing(foo_info); } for multiple clients (many concurrent access) in c++? I'm using winsocks atm on win32, but just get standard blocking udp sockets working. No gui, it's a console app. I'll appreciate so much an example or pointer to one ;). Thanks in advance.

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• AttributeError while adding colorbar in matplotlib

  - by bgbg

  The following code fails to run on Python 2.5.4: from matplotlib import pylab as pl import numpy as np data = np.random.rand(6,6) fig = pl.figure(1) fig.clf() ax = fig.add_subplot(1,1,1) ax.imshow(data, interpolation='nearest', vmin=0.5, vmax=0.99) pl.colorbar() pl.show() The error message is C:\temp>python z.py Traceback (most recent call last): File "z.py", line 10, in <module> pl.colorbar() File "C:\Python25\lib\site-packages\matplotlib\pyplot.py", line 1369, in colorbar ret = gcf().colorbar(mappable, cax = cax, ax=ax, **kw) File "C:\Python25\lib\site-packages\matplotlib\figure.py", line 1046, in colorbar cb = cbar.Colorbar(cax, mappable, **kw) File "C:\Python25\lib\site-packages\matplotlib\colorbar.py", line 622, in __init__ mappable.autoscale_None() # Ensure mappable.norm.vmin, vmax AttributeError: 'NoneType' object has no attribute 'autoscale_None' How can I add colorbar to this code? Following is the interpreter information: Python 2.5.4 (r254:67916, Dec 23 2008, 15:10:54) [MSC v.1310 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>>

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• Automating the Choose a digital certificate dialog

  - by MoMo

  I am using WatiN (2.0.10.928) with C# and Visual Studio 2008 to test a SSL secured website that requires a certificate. When you navigate to the homepage a "Choose a digital certificate" dialog is displayed and requires that you select a valid certificate and click the 'OK' button. I'm looking for a way to automate the certificate selection so that every time a new test or fixture is executed (and my browser restarts) I don't have to manually interfere with the automated test and select the certificate. I've tried using various WatiN Dialog Handler classes and even looked into using the Win32 API to automate this but haven't had much luck. I finally found a solution but its adds another dependency to the solution (a third party library called AutoIT). Since this solution isn't ideal but does work and is the best I could find, I will post the solution and mark it as the answer but I am still looking for an 'out of the box' WatiN solution that is more consistent with the rest of my code and test fixtures. Thanks for your responses!

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• Process.Start concatenating cmd line from previous invocation

  - by Ralph

  Hi, I am using a Process.Start in .Net 2.0 to start a child win32 app. Process.start ( "SomeProcess.exe", "<Cmd line>" ); The process runs fine but and the user then closes this window. However if I then run the same process again in the same session, the cmd line recieved by the called process is now a concatentation of the previous call. I.e SomeProcess.exe recieves the cmd line " SomeProcess.exe ". Has anyone else seen this behaviour before? Any help much appreciated. Ralph.

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• Conflicting PACKAGE_NAME and other macros when using autotools.

  - by baol

  When using autotools (with a config.h file) for both a library and a software built on that library the compiler complains about a redefinition of some macros (PACKAGE_NAME, PACKAGE_TARNAME and so on). How can I prevent this? The config.h file is needed in the library to propagate it's setting to the software that use it. Right now I have a wrapper script library_config.h that includes the original config.h and provides defaults when the user is not using autotools, but even undefining the macros in that package I get the redefinition warning from gcc. #ifndef LIB_CONFIG_H #define LIB_CONFIG_H #ifdef HAVE_CONFIG_H # include "config.h" # undef PACKAGE # undef PACKAGE_BUGREPORT # undef PACKAGE_NAME # undef PACKAGE_STRING # undef PACKAGE_TARNAME # undef PACKAGE_VERSION # undef VERSION #else # if defined (WIN32) # define HAVE_UNORDERED_MAP 1 # define TR1_MIXED_NAMESPACE 1 # elif defined (__GXX_EXPERIMENTAL_CXX0X__) # define HAVE_UNORDERED_MAP 1 # else # define HAVE_TR1_UNORDERED_MAP 1 # endif #endif #endif I believe the best option would be to have a library without that macros: How can I avoid the definition of PACKAGE, PACKAGE_NAME and so on in the library when using autotools?

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• XML Signature in a Web application

  - by OpenDevSoft

  Hi, We are developing an e-Banking web application for a small bank (up to 20000 clients/users). We have to implement digital signatures with X509 certificates (issued by CA on USB tokens) for signing payment information. We tried using CAPICOM but it seems that it is not working well with Windows Vista (have not tried it with Win 7). The other problem is that core banking system can process only Xml digital signatures, so we have to sign XML documents (not just a bulk-formatted text data like with CAPICOM and Win32 Crypto API). So my questions here are: Does anyone of you have similar problem and how did they solved it? Is there a plug-in, library, component or external tool (for Internet Explorer and/or Fire Fox) that supports XML Digital Signatures in a web application? Can you please recommend some of these products and write something about your experience with them? Thank you very much.

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• How to print css applied background images with the winforms webbrowser control

  - by Geir-Tore Lindsve

  I am using the webbrowser control in winforms and discovered now that background images which I apply with css are not included in the printouts. Is there a way to make the webbrowser print the background of the displayed document too? Edit: Since I wanted to do this programatically, I opted for this solution: using Microsoft.Win32; ... RegistryKey regKey = Registry.CurrentUser .OpenSubKey("Software") .OpenSubKey("Microsoft") .OpenSubKey("Internet Explorer") .OpenSubKey("Main"); //Get the current setting so that we can revert it after printjob var defaultValue = regKey.GetValue("Print_Background"); regKey.SetValue("Print_Background", "yes"); //Do the printing //Revert the registry key to the original value regKey.SetValue("Print_Background", defaultValue); Another way to handle this might be to just read the value, and notify the user to adjust this himself before printing. I have to agree that tweaking with the registry like this is not a good practice, so I am open for any suggestions. Thanks for all your feedback

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• How to resolve this VC++ 6.0 linker error?

  - by fishdump

  This is a Windows Console application (actually a service) that a previous guy built 4 years ago and is installed and running. I now need to make some changes but can't even build the current version! Here is the build output: --------------------Configuration: MyApp - Win32 Debug-------------------- Compiling resources... Compiling... Main.cpp winsock.cpp Linking... LINK : warning LNK4098: defaultlib "LIBCMTD" conflicts with use of other libs; use /NODEFAULTLIB:library Main.obj : error LNK2001: unresolved external symbol _socket_dontblock Debug/MyApp.exe : fatal error LNK1120: 1 unresolved externals Error executing link.exe. MyApp.exe - 2 error(s), 1 warning(s) -------------------------------------------------------------------------- If I use /NODEFAULTLIB then I get loads of errors. The code does not actually use _socket_noblock but I can't find anything on it on the 'net. Presumably it is used by some library I am linking to but I don't know what library it is in. --- Alistair.

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• How cancel shutdown from a windows service C#

  - by scrat789

  Hello everybody I have a windows service started (written in C# .net2.0). I want to detect when the computer shutdown/reboot and cancel it. After the cancel I want do some actions and restart windows. I have tried it, but it not working using Microsoft.Win32; partial class MyService: ServiceBase { protected override void OnStart(string[] args) { SystemEvents.SessionEnding += new SessionEndingEventHandler(OnSessionEnding); } private void OnSessionEnding(object sender, SessionEndingEventArgs e) { e.Cancel = true; //Do some work... } } Another test: partial class MyService: ServiceBase { protected override void OnShutdown() { //Do some work... //base.OnShutdown(); } }

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• How can I properly use environment variables encoded as Windows-1251 in Perl?

  - by Kartlee

  I have an environment variable set in Windows as TEST=abc£ which uses Windows-1252 code page. Now, when I run a Perl program test.pl this environment value comes properly. When I call another Perl code - test2.pl from test1.pl either by system(..) or Win32::Process, the environment comes garbled. Can someone provide information why this could be and way to resolve it? The version of perl I am using is 5.8. If my understanding is right, perl internally uses utf-8, so the initial process - test1.pl received it right from Windows-1252 → utf-8. When we call another process, should we convert back to Windows-1252 code page?

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• How to add flags to RC.EXE through QMake .pro makefiles

  - by Hernán

  I've the following definition in my .pro file: RC_FILE = app.rc This RC file contains a global include at the top: #include "version_info.h" The version_info.h header is on a common header files directory. Since RC.EXE takes INCLUDE environment variable in consideration, according to MS documentation, my build process batch sets up that accordingly: SET INCLUDE=%PROJECTDIR%\version;%INCLUDE% ... QMAKE project.pro -spec win32-msvc2008 -r CONFIG += release This works perfect as RC seems to read that INCLUDE var so the "version_info.h" file is including on every RC file properly. The problem is when I generate a VS solution (or Import it through the VS Addin). The RC invocation does not contain any /I flag (as I expect) but does not read any INCLUDE variable, even when I've setup through system 'environment variables' dialog in XP. So I'm stuck with this problem, with two alternatives I could not get to work: Make VS RC.exe invocation honour the INCLUDE variable (didn't work either as user or system variable). Force QMAKE to pass /I flag to RC invocation, and get that /I flag imported into the project settings (Resource Compiler properties). Thanks in advance.

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• Which OpenGL version is installed?

  - by René Nyffenegger

  I recently tried to lay my hands on OpenGL. Trying to grasp the API, I learned (or was given the advice) that I shouldn't use glBegin and glEnd anymore, since those are deprecated, but should start with OpenGL 3.1, instead. As I didn't know that the version used makes such a difference, I didn't pay much attention as to which version I actually have installed on my computer. And, as far as I can see, there is no glVersion or similar call that I could use to determine that version. I am using MinGW and I found the following lines in c:\MinGW\include\GL\gl.h: /* * Mesa 3-D graphics library * Version: 4.0 [more lines] */ [more lines] #define GL_VERSION_1_1 1 #if !defined(__WIN32__) #define GL_VERSION_1_2 1 #define GL_VERSION_1_3 1 #define GL_ARB_imaging 1 #endif [more lines] #define GL_VERSION 0x1F02 which, to me, indicates, that the installed version is as low as 1.3. Is this the case or how could I verify my suspicion? Also, where would I find a later version if I have 1.3 only?

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• Boost.Program_Options not working with short options

  - by inajamaica

  I have the following options_description: po::options_description config("Configuration File or Command Line"); config.add_options() ("run-time,t", po::value(&runTime_)-default_value(1440.0), "set max simulation duration") ("starting-iteration,i", po::value(&startingIteration_)-default_value(1), "set starting simulation iteration") ("repetitions,r", po::value(&repetitions_)-default_value(100), "set number of iterations") ... ; As you can see the three shown have a long,short names employed. The long versions all work. However, none of the short ones do, and each time I try a -t 12345.0 or a -i 12345, etc., I get the following from Program_Options: std::logic_error: in option 'starting-iteration': invalid option value I'm using Boost 1.42 on Win32. Any thoughts on what might be going on here? Thanks!

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• Using Symbol MC70 series scanner with native code

  - by Sandeep

  Is it possible to use Symbol MC70 series scanner with native code? I have a Windows Mobile application written using Lazarus(Object pascal) and I want to use it with Symbol MC70. The sdk that they have are for C, .NET and Java. I had a look at the C sdk and it comes with .LIB files which I cannot use with Object Pascal. I have no clue as to how the scanner is working with .NET stuff, I could not see a WIN32 dll in the files provided, maybe it is in the cab file. Any suggestions as to what I should do to get the scanners to work for me. Sandeep

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• How to create DSN for SQL Server using C# ?

  - by Pavan Kumar

  using Microsoft.Win32; using System.Runtime.InteropServices; [DllImport("ODBCCP32.dll")] private static extern bool SQLConfigDataSource(IntPtr parent, int request, string driver, string attributes); private void btnDsn_Click(object sender, EventArgs e) { string str = "SERVER=MYDBSERVER\0DSN=MYDSN\0DESCRIPTION=MYDSNDESC\0DATABASE=master\0TRUSTED_CONNECTION=YES"; SQLConfigDataSource((IntPtr)0, 4, "SQL Server ",str); } Reference : http://social.msdn.microsoft.com/Forums/en-US/vscrystalreports/thread/441811b9-c4e9-4d15-97a3-7b92d2c9f318 Can anybody help me remove the following errors?? Error 1 Expected class, delegate, enum, interface, or struct C:\Documents and Settings\Pavan\My Documents\Visual Studio 2008\Projects\CopyDatabase\CopyDatabase\Synchronize.cs 17 23 CopyDatabase Error 2 The name 'SQLConfigDataSource' does not exist in the current context C:\Documents and Settings\Pavan\My Documents\Visual Studio 2008\Projects\CopyDatabase\CopyDatabase\Synchronize.cs 67 13 CopyDatabase

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• MS Web Browser on Pocket PC

  - by PoweRoy

  Hi all, I'm trying to create a custom web browser for on a pocket pc in C++ MFC. When I add the Microsoft Web Browser activeX control and run the app on the pocket pc (emulator) then this error pops up: "Debug assertion failed. occcont.cpp line: 916" When I look in the debug window of VS2005: "CoCreateInstance of OLE control {8856F961-340A-11D0-A96B-00C04FD705A2} failed. Result code: 0x80040154 Is the control is properly registered? Warning: Resource items and Win32 Z-order lists are out of sync. Tab order may be not defined well." How can I use this control on a pocket pc? Or is there a similar control that works?

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