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• How to receive HTTP messages using Socket

  - by Poma

  I'm using Socket class for my web client. I can't use HttpWebRequest since it doesn't support socks proxies. So I have to parse headers and handle chunked encoding by myself. The most difficult thing is to determine length of content so I have to read it byte-by-byte. First I have to use ReadByte() to find last header ("\r\n\r\n" combination), then read chunk's size etc. But this approach has very poor performance. Can you suggest better solution? Maybe some open source examples or libraries that handle http request through sockets (not very big and complicated though, I'm a noob)

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• Accented character replacement for search then reinserted afterwards

  - by user314573

  Basically my issue is that users would like to search for a french word that has accented characters but without typing in the accented characters and then have the actual accented word appeared highlighted if found... So for example they would type in "declare" but in the result sets it would look like "déclare" and if found "déclare" would be highlighted. My first thought was to just simply replace the characters with a regex but then I remembered that I would need to re-insert the replaced characters after the search... I was thinking of then using some sort of character map that would track position and the character so that when the search was finshed I could put the result set back to the way it was. This seems a little brute force to me and I was wondering if anyone had a better alternative? I'm using Visual Studio 2005 with this app. Any advice would be much appreciated! Thanks

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• Generating XPS document from a Windows Application

  - by suecnus

  I want to capture the html content in web browser and print to XPS Document. I am using a Windows application to do it since it is used in IE toolbar. Is there a way to capture the httpwebrequest to read the content of the webpage to to a FixedDocument object or other through other ways so that it can be converted to an XPSDocument?

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• How i can Integrate my Compiler in VS2008?

  - by Mauricio

  I make a compiler of Tiger and I want integrate with VS2008, but I read a lot of stuff and don't say very well how i can made that. What is the type of the project that i need to make? How i register my Language/compiler in VS2008, I know that i need install the SDK, I know litle thing that i need to do but the steps more important, like What class i need to implement... Thanks for all

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• How do I marshal a pointer to an array of pointers to structures?

  - by Daniel Stutzbach

  I have a C function with the following signature: int my_function(int n, struct player **players) players is a pointer to an array of pointers to struct player objects. n is the number of pointers in the array. The function does not modify the array nor the contents of the structures, and it does not retain any pointers after returning. I tried the following: [DllImport("mylibary.dll")] static extern int my_function(int n, [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)] player_in []players); However, that marshals the data as a pointer to an array of structures, not a pointer to an array of pointers to structures.

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• How to retrieve path for a file embedded in Resources (Resource Manager)

  - by curiousone

  I am trying to retrieve file path for a html file that is embedded in resource (resx file) in VS2008 C# project. I want to give path of this file to native webbrowser control (PIEHtml) to be able to navigate (DTM_NAVIGATE) in my application. I know I can pass the string to this control using DTM_ADDTEXTW but since html text size is so big, I dont want to pass string to the control. I need to somehow extract the file path for this html file embedded inside resource manager. I tried using but this does not give the file path of html inside assembly: private ResourceManager resManager = new ResourceManager("AppName.FolderName.FileName", System.Reflection.Assembly.GetExecutingAssembly()); this.lbl.Text = resManager.GetString("StringInResources"); and also read Retrieving Resources in Satellite Assemblies but it did not solve my problem. Can somebody please provide info as to how to achieve this ?

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• CommandManager "cannot resolve symbol"

  - by Budda

  After adding "RelayCommand" class (that uses CommandManager class) into my Silverlight App I've got an error: The name 'CommandManager' does not exist in the current context This class is a member of System.Windows.Input namespace that is in PresentationCore.dll assembly. The problem is that I can't add this dll into my app... I am having a strange assumption: this class (CommmandManager) can't be used in the Silverlight. Am I right? How can I implement MVVM-pattern (http://msdn.microsoft.com/en-us/magazine/dd419663.aspx)? Thanks.

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• Windows Workflow 4.0 Activities not being added to the toolbox

  - by Nissan Fan

  I've created a class project in VS 2010 Beta 2. I've added one Activity to it. Saved it. Created another Activity. I would expect the first Activity to appear in the toolbox so I could drag it into my workflow, but it's not. Any ideas?

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• How do I determine if a property was overriden?

  - by Benjamin

  Hello I am doing a project that where I need to register all the properties, because of the system being so huge it would require a lot of work to register all the properties that i want to be dependent for the purpose of Xaml. The goal is to find all properties that are on the top of the tree. so basically public class A{ public int Property1 { get; set; } } public class B : A{ public int Property2 { get; set; } public virtual int Property3 { get; set; } } public class C : B{ public override int Property3 { get; set; } public int Property4 { get; set; } public int Property5 { get; set; } } The end result would be something like this A.Prorperty1 B.Property2 B.Property3 C.Property4 C.Property5 If you notice I don't want to accept overridden properties because of the way I search for the properties if I do something like this C.Property3 for example and it cannot find it it will check C's basetype and there it will find it. This is what I have so far. public static void RegisterType( Type type ) { PropertyInfo[] properties = type.GetProperties( BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.GetProperty | BindingFlags.SetProperty ); if ( properties != null && properties.Length > 0 ) { foreach ( PropertyInfo property in properties ) { // if the property is an indexers then we ignore them if ( property.Name == "Item" && property.GetIndexParameters().Length > 0 ) continue; // We don't want Arrays or Generic Property Types if ( (property.PropertyType.IsArray || property.PropertyType.IsGenericType) ) continue; // Register Property } } } What I want are the following: Public properties, that are not overridden, not static, not private Either get and set properties are allowed They are not an array or a generic type They are the top of the tree ie C class in the example is the highest (The property list example is exactly what I am looking for) They are not an indexer property ( this[index] ) Any help will be much appreciated =).

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• Absolute UriSource of a Resource image

  - by Louis Rhys

  I have a WPF project. If I store image in {ProjectRoot}\Images\image.png, and compile it as Resource then I can access it from a xaml (this xaml is located at Root) as BitmapImage by BitmapImage UriSource="Images/image.png". But if I move the xaml to another folder, say {ProjectRoot}\Xamls, now I have to use BitmapImage UriSource="../Images/image.png". Is there a way to specify an absolute project path, so that I can refer to them with the same path regardless of the location of the xaml?

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• Calling all the 3 functions while using or operator even after returning true as a result.

  - by Shantanu Gupta

  I am calling three functions in my code where i want to validate some of my fields. When I tries to work with the code given below. It checks only for first value until it gets false result. I want some thing like that if fisrt function returns true then it should also call next function and so on. What can be used instead of Or Operator to do this. if (IsFieldEmpty(ref txtFactoryName, true, "Required") || IsFieldEmpty(ref txtShortName, true, "Required") || IsFieldEmpty(ref cboGodown, true, "Required")) { }

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• Sometimes Explorer_WindowStateChanged does not fire while opening new tab.

  - by Ramveer Singh

  I am using Explorer_WindowStateChanged to identified tab change event in IE 7 or IE 8. My problem is, When i open any link in new tab (By right click on link and click on open in new tab), then somtimes Explorer_WindowStateChanged event does not fire and i am not able to detect that a new tab has been opened. Explorer_WindowStateChanged event is working fine when i am switching between tab. The problem is only when i am opening new tab and the new opened tab is not active (Means active tab is that where i opened link) Actually i am keeping the count of opened tab. So sometimes 8 tabs are open and my count show that 7 tab are open. Please help me that how can i ensure that whenever a new tab is opening then after setsite() method, Explorer_WindowStateChanged event must fire. Please Help

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• Adding web reference is not generating the expected reference.cs file. Absent functions.

  - by user48408

  I'm working with an old windows app in visual studio 2005. A webserviced referenced in the original app has 2 functions and when i peak inside the auto-generated reference.cs file I notice a couple of other functions to allow async calls have been geenrated i.e. BeginWhateverFunctionNameIsCalled and EndWhateverFunctionNameIsCalled. My problem is that I've created a new windows app and added the same web references but the Begin and End functions are not generated in my reference.cs proxy class. Anyone know whats going on?

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• Binding to save value of a text input to Settings.settings registry in XAML?

  - by Jeff Dahmer

  Let's say we have a text field named TXTBLAH and a setting named SETTINGBLAH Is there anyway to write in XAML markup that whenever the text field BLAH gets updated to write that to the registry, and also when the form loads is there a XAML binding to restore it?

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• Use DataContext to create schema in an existing blank database file?

  - by jdk

  With a DataContext and a blank file-based database that already exists, is it possible to write the Data Context classes (i.e. the ones I added to the designer) to create the db schema? With a data context I only see the abilities to either: create a new database file and have its structure created at the same time, or to populate data into an existing database having preexisting schema. I'm looking for a hybrid solution between those two worlds. Update 1: My proof that a preexisting db is not compatible with the Data Context CreateDatabase() operation is this error Database 'C:...\App_Data\IntermediateData.mdf' already exists. Choose a different database name. based on this code using (IntermediateClassesDataContext intermediateContext = new IntermediateClassesDataContext(_getIntermediateConn())) { intermediateContext.CreateDatabase(); }

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• Using NavigationService without XAML files

  - by UnclePaul

  I'm trying to create some pages in my Windows Phone application without the use of any XAML. Everything is working, however, I'm failing to use NavigationService/ Journal with this approach and all my attempts to utilize it are answered by the usual "No XAML was found at the location {0}'" response. Yes, I can add an almost empty XAML file to get everything working, but is this kind of boiler plate code really necessary? Is it maybe possible to use the UriMapping to map certain Uris to specific classes instead of *.xaml files?

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• Import CSV to class structure as the user defines

  - by Assimilater

  I have a contact manager program and I would like to offer the feature to import csv files. The problem is that different data sources order the fields in different ways. I thought of programming an interface for the user to tell it the field order and how to handle exceptions. Here is an example line in one of many possible field orders: "ID#","Name","Rank","Address1","Address2","City","State","Country","Zip","Phone#","Email","Join Date","Sponsor ID","Sponsor Name" "Z1234","Call, Anson","STU","1234 E. 6578 S.","","Somecity","TX","United States","012345","000-000-0000","[email protected]","5/24/2010","z12343","Quantum Independence" Notice that in one data field "Name" there is a comma to separate last name and first name and in another there is not. My plan is to have a line for each field (ie ID, Name, City etc.) and a statement "import to" and list box with options like: Don't Import, BusinessJoin Date, First Name, Zip and the program recognizes those as properties of an object... I'd also like the user to be able to record preset field orders so they can re-use them for csv files from the same download source. Then I also need it to check if a record all ready exists (is there a record for Anson Call all ready?) and allow the user to tell it what to do if there is a record (ie mailing address may have changes, so if that field is filled overwrite it, or this mailing address is invalid, leave the current data untouched for this person, overwrite the rest). While I'm capable of coding this...i'm not very excited about it and I'm wondering if there's a tool or set of tools out there to all ready perform most of this functionality... I hope this makes sense...

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• If I add a public method to a C# class, do I need to recompile other assemblies using that type?

  - by Adal

  Question in the title. I'd like to avoid recompiling since the source code I'm modifying is third party and I'd like to use the original binaries where possible, and replace only the assembly which contains the class I modified. But I'm not sure if this is a safe thing to do. In C++ for example this is definitely a bad idea.

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• What's the deal with char.GetNumericValue?

  - by mgroves

  I was working on Project Euler 40, and was a bit bothered that there was no int.Parse(char). Not a big deal, but I did some asking around and someone suggested char.GetNumericValue. GetNumericValue seems like a very odd method to me: Takes in a char as a parameter and returns...a double? Returns -1.0 if the char is not '0' through '9' So what's the reasoning behind this method, and what purpose does returning a double serve? I even fired up Reflector and looked at InternalGetNumericValue, but it's just like watching Lost: every answer just leads to another question.

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• Comparing signatures in Ink Serilized Format

  - by JD

  Hey guys, I have a load of signatures I wish to compare (all in ISF - ink serialized format). Does anyone know how to compare these signatures? Thanks in advance

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• Accessing Identity.AuthenticationType

  - by Tewr

  While implementing a custom authentication type in a wcf service, I'm trying to read the property IIdentity.AuthenticationType using the call Thread.CurrentPrincipal.Identity.AuthenticationType. Unless the account running the service is local administrator, UnauthorizedAccessException is thrown when accessing this property, much like described in this support thread. I can however reset the Thread.CurrentPrincipalobject without hassle, thus altering the Authentication Type - But read it, I cannot. Is running as an administrator the only way here or is there some trick to let the user running the service "just" access this property?

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• How Can I Get a TextPointer from a mouse click in a FlowDocument

  - by Bear

  I would like to get the word that a user has clicked on in a FlowDocument. I am currently adding an event handler to every Run in the document and iterating through the TextPointers in the Run that was clicked, calling GetCharacterRect() on each one and checking if the rectangle contains the point. However, when the click occurs near the end of a long Run this takes 10 seconds. Is there any more efficient method?

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• Why is Serializable Attribute required for an object to be serialized

  - by Keivan

  Based on my understanding SerializableAttribute provides no compile time checks, as its all done at runtime, then why is it required for classes to be marked as serializable? Couldn't sterilizer just try to serialize an object and just fail? isn't it what it does right-now when something is marked, it tries and fails. wouldn't it be better if you had to mark things as unserializable rather than serializable? that way you wouldn't have the problem of libraries not marking things as serializable?

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• Very Different Execution Times of SQL Query in C# and SQL Server Management Studio

  - by Paul

  I have a simple SQL query that when run from C# takes over 30 seconds then times-out every time, whereas when run on SQL Server Management Studio successfully completes instantly. In the latter case, a query execution plan reveals nothing troubling, and the execution time is spread nicely through a few simple operations. I've run 'EXEC sp_who2' while the query is running from C#, and it is listed as taking 29,000 milliseconds of CPU time, and is not blocked by anything. I have no idea how to begin solving this. Does anyone have some insight? The query is: SELECT c.lngId, ... FROM tblCase c INNER JOIN tblCaseStatus s ON s.lngId = c.lngId INNER JOIN tblCaseStatusType t ON t.lngId = s.lngId INNER JOIN [Another Database]..tblCompany cm ON cm.lngId = cs.lngCompanyId WHERE t.lngId = 25 AND c.IsDeleted = 0 AND s.lngStatus = 1

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• How do I create and send appointments to Microsoft Outlook calender?

  - by Shyju

  I am trying to create an appointment in the Microsoft Outlook (2003) calender of another person using the below code.While running this program, The Appointment is getting saved in my calender.But not being sent to the recipient. try { Microsoft.Office.Interop.Outlook.Application app = null; Microsoft.Office.Interop.Outlook.AppointmentItem appt = null; app = new Microsoft.Office.Interop.Outlook.Application(); appt = (Microsoft.Office.Interop.Outlook.AppointmentItem)app .CreateItem(Microsoft.Office.Interop.Outlook.OlItemType.olAppointmentItem); appt.Subject = "Meeting "; appt.Body = "Test Appointment body"; appt.Location = "TBD"; appt.Start = Convert.ToDateTime("12/23/2009 05:00:00 PM"); appt.Recipients.Add("[email protected]"); appt.End = Convert.ToDateTime("12/23/2009 6:00:00 PM"); appt.ReminderSet = true; appt.ReminderMinutesBeforeStart = 15; appt.Importance = Microsoft.Office.Interop.Outlook.OlImportance.olImportanceHigh; appt.BusyStatus = Microsoft.Office.Interop.Outlook.OlBusyStatus.olBusy; appt.Save(); appt.Send(); } catch (COMException ex) { Response.Write(ex.ToString()); } Am i missing anything? Can any one help me out to solve this issue?

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