.NET (Core and Framework)

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Web Service Error in Debug Mode jobr1ch19-Jul-04 21:47 jobr1ch 19-Jul-04 21:47  Hi, with VC C# I tried to connect to several webservices through classes generated by wsdl.exe when I start my app from VS, I always get the error: - The request failed with HTTP status 503: Service Unavailable - but when I start the exe (debug or release) from explorer everything works fine ! Any idee how to make debuging work ? jobr1ch Form Size Too Big myNameIsRon19-Jul-04 19:53 myNameIsRon 19-Jul-04 19:53  Hi, I've created a Form for generating a receipt print out. The Form has controls aligning with a background image (receipt stencil). To have the Form print correctly, the Form is a little large (1006 x 827). I don't display this Form, it's only for printing (loaded at 0 opacity and closed automatically after printing). The problem is: If the resolution size of the monitor is smaller than the Form size, the Form is reduced to fit. This mucks up the alignment of the controls to the receipt stencil image. Is there a way to stop this from happening. Thanks, Ron Re: Form Size Too Big Small Rat24-Jul-04 18:13 Small Rat 24-Jul-04 18:13  how about put your form into a small frame(such as panel) with scroll ability. Alan Shen MCAD for .NET Version ^~^~^~^~^~^~^~^~^~^~^ -=-=-=-=-=-=-=-=-=-=-=-=-=-=- Great idea is the beginging of success! Freeze some columns in Datagrid Sreepathi19-Jul-04 17:15 Sreepathi 19-Jul-04 17:15  Hi, Do any one know how to freeze some columns in datagrid, like excel does. I would like to see some columns always appear and rest of the columns should appear and disappear with a horizontal scrollbar(like excel freeze). Thanks in advance. Sreepathi .NET & MFC Serialization Compability alexatn19-Jul-04 11:35 alexatn 19-Jul-04 11:35  How do I DeSerialize a file in C++ .NET (e.g. using BinaryFormatter) that was originally created by Serialized in an MFC appliction using CDocument::Serialize? When trying to do this, I get: BinaryFormatter Version incompatibility. Expected Version 1.0. Received Version 1684632134.539785569. Thanks! Re: .NET & MFC Serialization Compability mav.northwind19-Jul-04 21:35 mav.northwind 19-Jul-04 21:35  I doubt that it's possible this way. CDocument has one format to serialize data and BinaryFormatter has another one. Just stuffing the output from one class into the other one doesn't work. You'll also fail when you let CDocument deserialize a file created by BinaryFormatter. Both CDocument and BinaryFormatter write some header information into the target file (or try to read it back in), at least containing some kind of version information, but the structure of this header is different, thus the error. Besides, IIRC CDocument doesn't add type information to its output but I think BinaryFormatter does (but don't quote me here ) I don't see a chance to achieve this without developing a class to read in a CDocument-generated file manually... mav Syntax Coloring in .NET bneacetp19-Jul-04 10:54 bneacetp 19-Jul-04 10:54  Does anyone know where I can find articles/code for syntax coloring in .NET? Happy Programming and may God Bless! "Your coding practices might be buggy, but your code is always right." Internet::WWW::CodeProject::bneacetp Printing using ExecWB gives error "Trying to revoke a drop target ..." alexatn16-Jul-04 12:02 alexatn 16-Jul-04 12:02  I'm trying to print an HTML file using AxWebBrowser.ExecWB but it it gives a run time error "Trying to revoke a drop target that has not been registered". Does anyone have any suggestions? axWebBrowser1.QueryStatusWB(SHDocVw.OLECMDID.OLECMDID_PRINT); object o = ""; SHDocVw.OLECMDID Print = SHDocVw.OLECMDID.OLECMDID_PRINT; SHDocVw.OLECMDEXECOPT PromptUser = SHDocVw.OLECMDEXECOPT.OLECMDEXECOPT_PROMPTUSER; axWebBrowser1.ExecWB(Print, DontPromptUser, ref o, ref o); Thanks. Speech .NET Serge Lobko-Lobanovsky16-Jul-04 6:20 Serge Lobko-Lobanovsky 16-Jul-04 6:20  Did anyone work with this thing? Does anyone know if it works with .NET 2.0 beta 1? (It's a 300MB download, so I would like to know if it works with .NET 2.0 _before_ downloading it? ) Regards, Serge (Logic Software, Easy Projects .NET site) Replacement of In-place Activation Aamir Butt15-Jul-04 23:56 Aamir Butt 15-Jul-04 23:56  Related to OLE Automation which we used in Visual Studio 6 and earlier versions. I want to know what is the replacement for In-place Activation in .NET environment. I mean how can I make my application to be an OLE Container. Ideas required Think Negatively, It makes you creative Re: Replacement of In-place Activation mav.northwind17-Jul-04 4:28 mav.northwind 17-Jul-04 4:28  There's no simple ole container control in the framework, as far as I know, but using the WebBrowser control to host an OLE object could work. I found an article on this topic on MSDN. Regards, mav Re: Replacement of In-place Activation Aamir Butt18-Jul-04 18:17 Aamir Butt 18-Jul-04 18:17  Thanx mav. This link was really useful Think Negatively, It makes you creative ListView icon disappear ting66815-Jul-04 4:24 ting668 15-Jul-04 4:24  HI~ I use a listview(large icon) of compact framework. After I click a item, it launches to another form with large icon listview. However, after I launch to another form, all the icons of the previous form in the were disappeared. How can I solve it? Thanks Windows mobile 2003 for Pocket PC Member 123796715-Jul-04 3:37 Member 1237967 15-Jul-04 3:37  We are in the initial stage of developing CE.NET 4.2 (O.S) for Windows Mobile Pocket PC platform using Intel PXA 255 and also PXA 263 chips with subsystems(Bluetooth,WLAN,GSM,GPRS and USB,serial ports) and for using the board in PDA ,which is meant for transmission of emails,integrating with Microsoft Outlook or other Linux tools for the purpose. If you can develop our solution and quote for the same or alternatively suggest any source who can provide solution for the above requirement, we will be very much obliged. With regards K.Sudhhakar Reddy CEO,OM TELECOMMUNICATIONS Plot no-98,Phase-1,Kavuri hills, Madhapur,Hyderabad-500033 India Tel:0091-040-23112166 Email:omtel@rediffmail.com omel@rediffmail.com Re: Windows mobile 2003 for Pocket PC Roman Rodov15-Jul-04 15:03 Roman Rodov 15-Jul-04 15:03  lol .... i didn't think India is now outsourcing too I thought all the outsourcing is going to India instead. Behavior of RichTextBox mav.northwind14-Jul-04 9:48 mav.northwind 14-Jul-04 9:48  What's puzzling me for a while now is how the RichTextBox behaves when you add text at the end programmatically. When you have a RichTextBox and call: richTextBox1.SelectedText += "\nHello World!"; you'd expect it to be the same as calling richTextBox1.SelectedText += "\n"; richTextBox1.SelectedText += "Hello World!"; wouldn't you? Now the funny thing is that the first piece of code keeps the current font for "Hello World!" and the second one switches back to the RichTextBox's default font! Anyone has a faint idea what's going on here or how to keep the RichTextBox from doing this? mav Registry entry for date of installation vipul_vips13-Jul-04 20:58 vipul_vips 13-Jul-04 20:58  Hi, I need to make a registry entry for the date of installation. How can I achive this in VS.NET Deployment project? -- Regards Vipul Patel Re: Registry entry for date of installation Serge Lobko-Lobanovsky16-Jul-04 6:30 Serge Lobko-Lobanovsky 16-Jul-04 6:30  You will need to create a custom action, and add it to the deployment project. See these links for more info on custom actions: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsintro7/html/vxwlkWalkthroughCreatingCustomAction.asp[^] http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vbtskCreatingInstallationComponents-HighLevelProcess.asp[^] Regards, Serge (Logic Software, Easy Projects .NET site) use of attributes to modify method behavior Mahasen Bandara13-Jul-04 20:54 Mahasen Bandara 13-Jul-04 20:54  can i use a custom attribute on a method to access and modify parameters and varibles inside a method? overriding is not applicable in my case thanks Mahasen Re: use of attributes to modify method behavior Sendilkumar.M20-Jul-04 0:31 Sendilkumar.M 20-Jul-04 0:31  ms-help://MS.VSCC.2003/MS.MSDNQTR.2004APR.1033/cpref/html/frlrfsystemattributeclasstopic.htm This link in MSDN 2003 will help you M.Sendilkumar Senior Software Engineer TVS Infotech Chennai,TamilNadu,India. 98413 27002 Interop: inter thread communication and array issue RLebrun13-Jul-04 3:52 RLebrun 13-Jul-04 3:52  Hello, I am a newbie in interoperability, and I met a problem with SAFEARRAY in inter-thread communication; unfortunately, I found nothing close to this problem on the Internet. To summarize: I have exposed .NET classes to COM clients, one of the classes has an array has returned method value. And in COM (C++) it seems that passing a SAFEARRAY of n "myObject" from a worker thread to a UI thread fails whereas passing n times a single "myObject" works perfectly. I want to know if something must be done on the c# array which is exposed to COM to solve that. For those who met this problem (or are courageous), here are the details: In C#, I have 3 classes "MyObject1","MyObject2" and "MyObject3". "MyObject1" has a method which returns an array of "MyObject2": public MyObject2[] getArray(); "MyObject2" has a method which returns an instance of "MyObject3": public MyObject3 getObject3(); "MyObject3" has several methods which returns its id, name... Now, I expose this managed code in a dll to unmanaged code, C++, with .NET framework interop fonctionalities. In C++, I get: "MyObject1->getArray()" has a safearray of MyObject2 as returned value "MyObject2->getObject3()" has MyObject3 as returned value Great! My managed code is exposed to COM clients! Now the bug: In C++, I have 2 threads "UI" and "worker", both are COINIT_APARTMENTTHREADED. 1. I create an instance of "MyObject1" in the UI thread 2. I pass this object to a worker thread method through a queue list 3. In that worker thread method, I call "MyObject1->getArray()" and get the SAFEARRAY of "MyObject2" as returned value 4. I pass back that safearray to a method callback of the UI thread 5. In that UI callback, I want to iterate on the safearray: for each "MyObject2" of the array, I call "MyObject2->getObject3()", then a method of "MyObject3" -> bug: whatever the method of "MyObject3" which is called, it fails: it seems that "MyObject3" has a problem. I have made some extra tests: 1. Test1: I put COINIT_MULTITHREADED to UI AND worker: no problem. But this patch cannot be used. 2. Test2: if I do steps 2-to-5 in the worker thread (which means I iterate the safearray in the worker thread, and never go back in the UI): no problem 3. Test3: if I do steps 2-to-5 in the UI thread (which means I never go into worker): no problem 4. Test4: At step 3, I iterate on the SAFEARRAY. For each "MyObject2" of the array, I pass it to an other callback of the UI. Then, in the UI, I call "MyObject2->getObject3()" and then any methods of "MyObject3", and it is working! That means that passing a SAFEARRAY of n "MyObject2" from worker to UI fails when we want to retrieve objects from each "MyObject2", but passing n times a single "MyObject2" works perfectly. I wonder if I have something to add to my C# code so the marshalling/unmarshalling of the array works between threads. Renaud Serial port in Windows CE shayro13-Jul-04 1:03 shayro 13-Jul-04 1:03  Hi, I'm trying to write a serial port communication in Windows CE.NET , but when i call the 'CreateFile' method of the Kernel32 i get an unidentified exception. The problematic function is : "m_hFile = CreateFile(port, (uint)((m_bRead?GENERIC_READ )|(m_bWrite?GENERIC_WRITE )), 0, 0, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0)" And i send "COM1:" as the name of the port. Does anybody know how to develope a .NET base class library for serial port communication in Windows CE? Thanks, Shay. How to capture requests and responses shanit12-Jul-04 17:25 shanit 12-Jul-04 17:25  Hi, I am trying to create a browser that i can use to capture GET and POST requests in C# (.Net framework). I use the Microsoft Web Browser component to do the same. I register events like NavigateComplete2, BeforeNavigate2 and DownloadComplete but none of them provide me with complete POST headers. The "header" member just provides Content-Type: application/x-www-form-urlencoded and nothing else. I do not wish to use the HTTPRequest class because i want to support SSL based connections also. Can someone please give me pointers on how i can get all the header values for every POST request. If there are any event handlers i can use please let me know. Any kind of help will be much appreciated. Kind Regards, Shanit. Re: How to capture requests and responses Javier Lozano20-Jul-04 12:51 Javier Lozano 20-Jul-04 12:51  What you need to implement is a packet sniffer. A packet sniffer, 'sniffs' all the data sent via a port from an ip address OR data SENT from an ip address. However, since SSL encrypts the channel all you get is the encrypted data. A good example of this is Ethereal[^]. Read this article (from CP!) about more information on a C# Packet Sniffer. Hope this helps! ~javier lozano (blog || email) A serious bug of list View in compact framework ting66812-Jul-04 0:15 ting668 12-Jul-04 0:15  Hi~ Lei wrote "I have 2 forms, form1 contains a ListView. What I want to do is, when clicking an item in the ListView, hide form1 and show form2. Code for ListView's SelectedIndexChanged: { form2.Show(); this.Hide(); }. When I click the item, form2 shows with form1's title and menu. I noticed that when mouse down, the SelectedIndexChanged event was triggered and bring form2 to front. But when mouse up, system redrawed the selected item and bring title and menu back to form1's. I tried to handle MouseDown and MouseUp event of ListView but they were never triggered. Now I used a tricky way to solve the problem: start a thread and use Control.Invoke to switch forms. It is not good, I think there must be a better solution. Thanks." I am facing the same problem. Someone solve it with setting timer. However, is there any other way to solve it? Thanks~

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