.NET (Core and Framework)

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Re: .NET and COM transoft23-Dec-09 11:15 transoft 23-Dec-09 11:15  I want to know other person's inputs. I want to know others' experience. If somebody knows the answer and happen did this before. I post the question in other forums. I did not post here. There might be somebody here done this before. PLEASE don't reply if you don't know the answer. Re: .NET and COM Richard MacCutchan23-Dec-09 11:22 Richard MacCutchan 23-Dec-09 11:22  transoft wrote: PLEASE don't reply if you don't know the answer. I still don't know the question!!! Re: .NET and COM Luc Pattyn23-Dec-09 12:09 Luc Pattyn 23-Dec-09 12:09  lucky you, he doesn't want a question, all he wants is the answer. Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] I only read code that is properly indented, and rendered in a non-proportional font; hint: use PRE tags in forum messages Re: .NET and COM darkelv25-Dec-09 21:26 darkelv 25-Dec-09 21:26  Luc Pattyn wrote: all he wants is the answer. And quite hopefully all 6.7 millions of them. retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Jeneesh K. Velayudhan22-Dec-09 23:04 Jeneesh K. Velayudhan 22-Dec-09 23:04  Hi, am using a dll in my web project ("Owc11.dll") Before upgrading our production server (32 bit) it was working fine. So, recently our production server has been upgraded to 64 bit. So, while running the application one error throwing like this: "retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154" Anybody could you please help me asap. These much ways i have tried, 1. dll registered in GAC also available in regedit. 2. Enabled 32 bit appln (WOW64) on 64 bit application pool by using .net command prompt. But i have 64 bit applns also in the server. So left this method. (IIS won't support 32/64 mode applns at the same time). 3. Created Wrapper DLL and used by pre-binding method (act like interface b/w 32 bit DLL and 64 bit appln) 4. Handlers also used. Thanks & Regards, Jeneesh k. v. Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Dimitri Witkowski26-Dec-09 23:48 Dimitri Witkowski 26-Dec-09 23:48  This CLSID is Microsoft CSpase DLL, as we can read in forums, correct? 0002E55D-0000-0000-C000-000000000046 Is it installed in your x64 system? You can see it in Regedit, this key must present: HKEY_CLASSES_ROOT\CLSID\{0002E55D-0000-0000-C000-000000000046} Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Jeneesh K. Velayudhan28-Dec-09 23:13 Jeneesh K. Velayudhan 28-Dec-09 23:13  yes, this dll and the corresponding public key is still available in the regedit. Thanks & Regards, Jeneesh k. v. Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Dimitri Witkowski28-Dec-09 23:23 Dimitri Witkowski 28-Dec-09 23:23  Is that component 32-bit or 64-bit? Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Jeneesh K. Velayudhan5-Jan-10 20:02 Jeneesh K. Velayudhan 5-Jan-10 20:02  32 bit COM Thanks & Regards, Jeneesh k. v. Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Dimitri Witkowski5-Jan-10 20:32 Dimitri Witkowski 5-Jan-10 20:32  Maybe installing x64 version of it will help? See my article about Windows 7 Taskbar timer here on CodeProject Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Jeneesh K. Velayudhan11-Jan-10 23:47 Jeneesh K. Velayudhan 11-Jan-10 23:47  yes, definitely if i get this 64 bit dll. It would be resolved. Vender is not released that one. that is the issue Thanks & Regards, Jeneesh k. v. Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 john_masen7-Jan-10 1:51 john_masen 7-Jan-10 1:51  looks your system still looking for the CLSID in 64bit registry. I think you can use process monitor monitor the registry to confirm. Then you know if you're on the right way. Re: retrieving the COM class factory for component with CLSID {0002E55D-0000-0000-C000-000000000046} failed due to the following error: 80040154 Jeneesh K. Velayudhan11-Jan-10 23:49 Jeneesh K. Velayudhan 11-Jan-10 23:49  yes, am on the right path. any other good suggestions, plz welcome. Thanks & Regards, Jeneesh k. v. Determine executing OS, not application architecture Tony Teveris22-Dec-09 8:41 Tony Teveris 22-Dec-09 8:41  I'm not sure why this has to be so hard but I've check and seen a bunch of solutions that do not work. Currently I've tried this: Private Structure SYSTEM_INFO Public wProcessorArchitecture As Integer Public wReserved As Integer Public dwPageSize As Long Public lpMinimumApplicationAddress As Long Public lpMaximumApplicationAddress As Long Public dwActiveProcessorMask As Long Public dwNumberOfProcessors As Long Public dwProcessorType As Long Public dwAllocationGranularity As Long Public wProcessorLevel As Integer Public wProcessorRevision As Integer End Structure Private Declare Sub GetNativeSystemInfo Lib "kernel32" (ByVal lpSystemInfo As SYSTEM_INFO) . . . Dim si As SYSTEM_INFO GetNativeSystemInfo(si) If si.wProcessorArchitecture = 9 Then Console.WriteLine("64 bitter") End If . . . What I noticed is that the structure never gets filled in. I'm testing this on a Windows 7 64 bit OS Any idea why this does not work or any ideas on how to figure out the OS architecture? Thanks in advance Tony Teveris Gerber Scientific Products Senior Software Engineer Phone: 860 648 8151 Fax: 860 648 8214 83 Gerber Road West South Windsor, CT 06074 Re: Determine executing OS, not application architecture Sir Dot Net22-Dec-09 8:50 Sir Dot Net 22-Dec-09 8:50  Look at Environment.OSVersion Re: Determine executing OS, not application architecture Tony Teveris22-Dec-09 9:07 Tony Teveris 22-Dec-09 9:07  On my Windows 7 64 bit the value is "Microsoft Windows NT 6.1.7600.0" Tony Teveris Gerber Scientific Products Senior Software Engineer Phone: 860 648 8151 Fax: 860 648 8214 83 Gerber Road West South Windsor, CT 06074 Re: Determine executing OS, not application architecture Sir Dot Net22-Dec-09 10:48 Sir Dot Net 22-Dec-09 10:48  if(IntPtr.Size == 8) { //64-bit } else if(IntPtr.Size == 4) { //32-bit } This is based off the OS installed, not the CPU which is what I think you are looking for. Re: Determine executing OS, not application architecture Luc Pattyn22-Dec-09 8:55 Luc Pattyn 22-Dec-09 8:55  Environment.OSVersion is good enough for me. your "ByVal" is obviously wrong, where is the output going to go? Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] I only read code that is properly indented, and rendered in a non-proportional font; hint: use PRE tags in forum messages Re: Determine executing OS, not application architecture Tony Teveris22-Dec-09 9:20 Tony Teveris 22-Dec-09 9:20  Right now I'm just debugging the code and just looking "quick watch" on the structure. As a first time .Net/VB coder it should be ByRef. Now it works. I'll do more testing on other OSs Tony Teveris Gerber Scientific Products Senior Software Engineer Phone: 860 648 8151 Fax: 860 648 8214 83 Gerber Road West South Windsor, CT 06074 Date formatting issue Jack Vanderhorst22-Dec-09 8:03 Jack Vanderhorst 22-Dec-09 8:03  I'm using DateTime.Now.ToString("M/d/yyyy") to try and format today's date. I've noticed that when I change my regional settings through control panel, it changes the result I get from this method. When I set my default date format to dd-MMM-yy in Control Panel, it changes the output of my ToString method from containing slashes (as I've specified in my format string) to dashes, which I can only assume are coming from my regional settings. I thought the point of specifying my own format string was so that I could, oh I dunno, specify my own format?! Are my control panel settings really affecting this method call? Why in the heck? I realize I can just code my own cheesey routine to format dates and avoid the issue, but I'd like to understand what's going on here. Re: Date formatting issue [modified] Luc Pattyn22-Dec-09 8:13 Luc Pattyn 22-Dec-09 8:13  Hi, a typical mistake. This page of MSDN documentation[^] tells you what the parts of the format string represent; M is an indicator for the month number, and / for the date separator. As a result regional settings are still infiltrating your app! You could create your own DateTimeFormatInfo object and set all of its details any way you like, then pass that to DateTime.ToString() instead of a string. [ADDED] Or you could single quotes to escape the special characters you want to be taken literally, so use '/' to get a real slash, no matter what. [/ADDED] Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] I only read code that is properly indented, and rendered in a non-proportional font; hint: use PRE tags in forum messages modified on Friday, December 25, 2009 3:46 PM Re: Date formatting issue Jack Vanderhorst22-Dec-09 9:09 Jack Vanderhorst 22-Dec-09 9:09  Well I'll be, thanks. Re: Date formatting issue Luc Pattyn22-Dec-09 9:18 Luc Pattyn 22-Dec-09 9:18  You're welcome. Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] I only read code that is properly indented, and rendered in a non-proportional font; hint: use PRE tags in forum messages AppDomains and native window message handlers rogerkhoueiry22-Dec-09 4:02 rogerkhoueiry 22-Dec-09 4:02  I have a problem which is also related to AppDomain's and Windows messages. A web page to be hosted in Internet Explorer that would contain a .Net WinForms UserControl derived control - HelloWorldCtl. This control is inside a C# written assembly - HelloWorldControl.dll. The control uses code from another assembly that is written in C++/CLR - HelloWorldLibCPP.dll. HelloWorldCtl loads HelloWorldLibCPP.dll and calls code that would create a Win32 native window and places that window in HelloWorldCtl's area. Navigate to the web page, HelloWorldCtl loads, I can see it as well as the native window in the center of HelloWorldCtl's area. Both the C# control and the native window have some message handlers and the messages are all working fine and reaching both the C# control's window and the native window; mouse clicks, re-paints and so on... However, some of the message handlers of the native window need to call methods on the C# control which is the parent of the native window. This is done using an interface that the C# control implements and which the native window holds a reference to by storing it in a GCHandle (from System::Runtime::InteropServices.) I used the gcroot<> template for the GCHandle. The failure is happening at this point when code in the native window is trying to use the GCHandle to call any method on the C# control. (The c++ code is compiled as managed code with /clr.) The exception that is thrown is : "Cannot pass a GCHandle across AppDomains" I put some debugging code to display the Id and FriendName of the CurrentDomain in both the C# and the native window and I found out that these AppDomains are not the same. During the creation of the native window, the CurrentDomain is the same as that of the C# control, but when the native window receives messages and those messages are handled, the CurrentDomain is different from the C# control's. Can this situation be changed? Is it possible to have both the native window messages hanlder run in the same AppDomain as that of the C# control? Any other suggestions perhaps? Thanks, Roger TAG control [modified] ghbloos20-Dec-09 23:09 ghbloos 20-Dec-09 23:09  Hi, I am looking for a TAG control for my c# application. It is difficult to look for a TAG control on internet, since almost every webpage has the word "TAG" for another reason. Does anyone know a preferable free TAG control that I can use? Please look at the following links for examples of what a control should do: * Drop down after typing a letter (http://ximp.nl/TAG/ExampleTagControl2.png[^]); * Adding multiple tags by using a seperator (http://ximp.nl/TAG/ExampleTagControl1.png[^]); If you know a control, please let me know. Any help is appreciated. Gaston modified on Tuesday, December 29, 2009 1:43 PM

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