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  • XAML-based applications - Event Naming Conventions for C#

    - by user118190
    For event handling, I am starting to see many coders doing this: XButton.Click += OnXButtonClicked() ... void OnXButtonClicked() { ... } Where did this On_ convention come from? It just doesn't feel right in terms of methods. I am starting to see this as well and am wondering what others thought: XButton.Click += HandleXButtonClick() ... void HandleXButtonClick() { ... } When using intellisense, Visual Studio handles these like so: XButton.Click += XButton_Click; ... void XButton_Click(object sender, RoutedEventArgs e) { ... } I am seeking some advice on these naming conventions and would greatly appreciate some advice.

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  • std::make_shared as a default argument does not compile

    - by Mark Bryant
    In Visual C++ (2008 and 2010), the following code does not compile with the following error: #include <memory> void Foo( std::shared_ptr< int > test = ::std::make_shared< int >( 5 ) ) { } class P { void Foo( std::shared_ptr< int > test = ::std::make_shared< int >( 5 ) ) { } }; error C2039: 'make_shared' : is not a member of '`global namespace'' error C3861: 'make_shared': identifier not found It is complaining about the definition of P::Foo() not ::Foo(). Does anybody know why it is valid for Foo() to have a default argument with std::make_shared but not P::Foo()?

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  • Notepad++ like "multi editing" in VIM?

    - by proto-n
    I'm switching from Notepad++ to VIM as main text editor. Notepad++ can have multiple cursors by holding down ctrl and clicking anywhere in the text, so if you type, the text appears in multiple locations. Is it possible in vim? Something like insert after selecting multiple rows in visual mode, but with the possibility to have cursors anywhere in the text. It's a feature I rarely use, also it's quite easily avoidable, I'm just curious, since its the only one I could't find a replacement for in vim yet.

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  • TFS vs SVN

    - by Binoj Antony
    I am about to start a project (.NET) and need to decide between TFS and SVN. I am more used to SVN(with tortoise client), CVS and VSS. Does TFS have all features available in SVN Have any of you switched from SVN to TFS and found it worthwhile? Also it looks like we may need Visual Studio if we need to work with TFS. [Edit] Money is not a consideration since we already have the licenses for TFS in place. And I am more interested in the Source Control features of TFS vs SVN, of course other features list is also welcome.

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  • Convert an interface's event from VB.Net to C#

    - by Jules
    Hi, I'm struggling to convert the below code to C#. Class Class1 Implements IMyInterface Public Event MyEvent(ByVal sender As Object, ByVal e As MyEventArgs) Implements IMyInterface.MyEvent Public Sub New() AddHandler Me.Slider.ValueChanged, AddressOf OnSliderValueChanged End Sub Private Sub OnSliderValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) RaiseEvent MyEvent(Me, New MyEventArgs()) End Sub End Class Here's what visual studio inserts when I ask it to implement for me: event EventHandler<MyEventArgs> IMyInterface.MyEvent { add { throw new NotImplementedException(); } remove { throw new NotImplementedException(); } } With a bit of googling I'm sure I can find out what to replace the NotImplementedException parts with but VS is still telling me that the definition is not implemented anyway.

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  • Copy method optimization in compilers

    - by Dženan
    Hi All! I have the following code: void Stack::operator =(Stack &rhs) { //do the actual copying } Stack::Stack(Stack &rhs) //copy-constructor { top=NULL; //initialize this as an empty stack (which it is) *this=rhs; //invoke assignment operator } Stack& Stack::CopyStack() { return *this; //this statement will invoke copy contructor } It is being used like this: unsigned Stack::count() { unsigned c=0; Stack copy=CopyStack(); while (!copy.empty()) { copy.pop(); c++; } return c; } Removing reference symbol from declaration of CopyStack (returning a copy instead of reference) makes no difference in visual studio 2008 (with respect to number of times copying is invoked). I guess it gets optimized away - normally it should first make a copy for the return value, then call assignment operator once more to assign it to variable sc. What is your experience with this sort of optimization in different compilers? Regards, Dženan

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  • Elegantly Handle Repetitive Property Code in C#

    - by Eric J.
    The language shortcut public string Code { get; set; } saves a bit of typing when defining trivial properties in C#. However, I find myself writing highly repetitive, not-quite-as-trivial property code that still follows a clear pattern e.g. public string Code { get { return code; } set { if (code != value) { code = value; NotifyPropertyChanged("Code"); } } } I can certainly define a Visual Studio snippet to reduce typing. However, if I need to add something to my pattern, I have to go back and change quite a bit of existing code. Is there a more elegant approach? Is a snippet the best way to go?

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  • Static dictionary in .Net Thread safety

    - by Emmanuel
    Reading msdn documentation for dictionaries it says : "Public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe." Those this mean that with a dictionary such as this : static object syncObject = new object(); static Dictionary<string,MyObject> mydictionary= new Dictionary<string, MyObject>(); Is doing something like the code below unnecessary? lock (syncObject) { context = new TDataContext(); mydictionary.Add("key", myObject); }

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  • How do I get MSBuild Task to generate XML Documents when building a solution?

    - by toba303
    I have a solution with lots of projects. Each project is configured to generate the XML documentation file when building in Debug-Mode (which is default). That works when I build in Visual Studio 2008. In my build script on my integration server I advise MSBuild to build the whole solution, but it won't generate the documentation files. What can I do? I already tried to explicitly give the Debug-Condition to the build process, but it makes no difference. <Target Name="BuilSolution"> <MSBuild Projects="C:\Path\To\MySolution.sln" targets="Build" Properties="SolutionConfigurationPlatforms='Debug|Any CPU'"/> </Target> There seem to be some ideas to solve this problem when building single projects, but I can't afford to do this, so I need a hint for doing it this way. Thanks in advance!

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  • Howto take a glimpse into mscorlib?

    - by panny
    Hi all! I want to read data into RSAParameters structure ( RSAParameters ) and did check twice, that the data is correct. But still, I get an error "invalid data" exception for this: bei System.Security.Cryptography.CryptographicException.ThrowCryptogaphicException(Int32 hr) bei System.Security.Cryptography.Utils._ImportKey(SafeProvHandle hCSP, Int32 keyNumber, CspProviderFlags flags, Object cspObject, SafeKeyHandle& hKey) bei System.Security.Cryptography.RSACryptoServiceProvider.ImportParameters(RSAParameters parameters) How can I take a look into the source code to check why _ImportKeys is throwing an exception? I have no experience with .dll 'decryption'..are there any symbols to reference somewhere for visual studio 8.0? Thank you.

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  • long waiting time in linking

    - by ccanan
    Hi, here is the situation. I am using visual studio 2005. the solution contains lots of projects, 34 projects in all, and the start up projects depends on others. then in linking part, it'll wait a long time before the real linking starts. I am pretty sure it's because of too many projects depended, as when I use a solution with 10 of the 34 projects(keep other projects as headers&libs), it'll start instantly. so any one has any idea that I can reduce the waiting time? thx.

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  • Error becuase Virtual directory not being configured as an application in IIS

    - by Cipher
    Hi, I was trying to install a CMS in a folder in my website. After the installation on trying to run, it shows this error: Error 14 It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS. E:\Users\Sarin\Documents\Visual Studio 2010\WebSites\WebAssist\blog\web.config 61 I added the webiste as a Virtual Directory and also converted that to application. On trying to browse this application, the following error occurs as shown in the screenshot: http://i.imgur.com/jcRJe.jpg How to make this work?

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  • Object viewer control needed (like QuickWatch in VS)

    - by Wallstreet Programmer
    Anyone know of any controls that you can add to your application to allow the user to check out the content of an object? I'm thinking of something like QuickWatch in Visual Studio, just list all properties of an object and its values and allow the user to drill down. I started writing one using reflection but it turned out be a lot of work to handle different kind of collections. This functionality would be used for debugging purposes mostly and not by regular users. I prefer WPF but Winforms would work as well.

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  • How can I implement a login wall for expired or inappropriate pages?

    - by Redandwhite
    I am writing a website that very explicitly requires a login wall. Visitors should be required to log in before they are allowed to view a page. The page being built depends very much on the user's "ID". I am not sure how or where to store the user's login. I am not sure whether I should use a session variable (e.g. Session["userId"]), or some other method. The problem I see with session variables is that it's difficult to time out sessions. Note: I'm using C# 3.5 with ASP.NET in Visual Studio 2008.

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  • MonthCalendar control selection range with EnableVisualStyles?

    - by warren_s
    I'm using the MonthCalendar control and want to programmatically select a date range. When I do so the control doesn't paint properly if Application.EnableVisualStyles() has been called. This is a known issue according to MSDN. Using the MonthCalendar with visual styles enabled will cause a selection range for the MonthCalendar control to not paint correctly (from: http://msdn.microsoft.com/en-us/library/system.windows.forms.monthcalendar.aspx) Is there really no fix for this other than not calling EnableVisualStyles? This seems to make that particular control entirely useless for a range of applications and a rather glaring oversight from my perspective.

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  • Dragging on Different Levels

    - by Fahim Akhter
    Hi, I have a flash project with three non overlapping panels (visual spaces) each of which contains different movie-clips. Each movie-clip in a particular panel is the child of that panel. Now, I want to drag one of the movie-clips from one panel to another (remove it as a child from the first panel and add it to the other) without a jitter and proper drag. What is the appropriate way to handle the drag architecturally. Should the drag be handled in all panels parent. In the panels, or the items themselves? Thanks.

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  • Compiler error while compiling the RAPID library on VS2008

    - by Demi
    I've downloaded the RAPID library and tried to compile it on Microsoft Visual Studio 2008. However, I'm getting the following compiler error: C4430 missing type specifier - int assumed. Note: C++ does not support default-int at this code segment (the exact line that produces the error is int flag): class RAPID_model { public: box *b; int num_boxes_alloced; tri *tris; int num_tris; int num_tris_alloced; int build_state; int build_hierarchy(); friend RAPID_Collide(double R1[3][3], double T1[3], double s1, RAPID_model *RAPID_model1, double R2[3][3], double T2[3], double s2, RAPID_model *RAPID_model2, int flag); Can anyone please help me with this? Thank you

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  • How decide whether a e-mail was newly sent, replied or forwarded?

    - by user572783
    I use Visual Studio 2010 to create an Outlook 2007 Addin. Now i want to know whether a e-mail was newly sent, replied or forwarded. Is there any property for this? using Outlook = Microsoft.Office.Interop.Outlook; namespace _Outlook2k7_Add_In { public partial class ThisAddIn { private void ThisAddIn_Startup(object sender, System.EventArgs e) { } private void ThisAddIn_Shutdown(object sender, System.EventArgs e) { } void Application_ItemSend(object Item, ref bool Cancel) { Outlook.MailItem mail = Item as Outlook.MailItem; if (mail == null) return; // Magic? } #region VSTO generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InternalStartup() { this.Startup += new System.EventHandler(ThisAddIn_Startup); this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown); this.Application.ItemSend += new Outlook.ApplicationEvents_11_ItemSendEventHandler(Application_ItemSend); } #endregion } }

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  • convert flv to mp3 with Java

    - by krial
    Hi, I'm pretty new in developing programs in Java. I'm currently writing a program that converts a flv video into mp3. I have already written such a program in Visual Studio.net C#, but the Problem is, that it isn't cross platform compatible... I used the ffmpeg binary to convert the video into mp3, but I can't find ffmpeg binaries for Mac and Linux. (if so, I could start the specific binaries from java, depending on the OS) So I tried to convert the video with Xuggle, but the final mp3 has 0 bytes. My current code is the following: IMediaReader reader = ToolFactory.makeReader("video.flv"); reader.addListener(ToolFactory.makeWriter("music.mp3", reader)); while (reader.readPacket() == null) do {} while(false); Thanks in advance. p.s sorry for my bad english

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  • Android:simulating 1-bit display

    - by user1681805
    I'm new to Android,trying to build a simple game which use 1-bit black and white display.the screen dimension is 160 * 80,that is 12800 pixels.I created a byte array for the "VRAM",so each time it draws,it first checks the array. The thing is that I am not drawing a point or rectangle for each pixel,I'm using 2 bitmaps(ARGB_4444,I have to use alpha channel,because of shadow effect),1 for positive and 1 for negative.So I called 12800 times drawBitmap() in the surfaceView's Draw method.I know that's silly...But even for openGL,12800 quards won't be that fast right? Sorry..I cannot post imgs.the link of screenshot:http://i1014.photobucket.com/albums/af267/baininja/Screenshot_2013-10-22-01-05-36_zps91dbcdef.png should i totally give up this and draw points on a 160*80 bitmap then scale it to intented size?But that loses the visual effects.

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  • How do you make a WiX project build when dependent files have changes?

    - by Scott Langham
    Hi, I've adopted a Visual Studio solution that contains a number WiX projects. We build the solution from an MsBuild script to generate the product's installer msi. The problem I'm experiencing is that if I build (and don't rebuild), even if exe's and dll's get updated that need to be put in the installer, the WiX build system doesn't seem to detect this and skips building the installer as it thinks it's already up to date. How do I work out what the dependencies are that are needed to build a WiX project, and how do I tell the Wix build system to watch out for them changing so it knows to build instead of skip?

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  • html-embedded php code not executing when hosted on iis

    - by Jack
    <HTML> <HEAD> <META NAME="GENERATOR" Content="Microsoft Visual Studio .NET 7.1"> <TITLE></TITLE> </HEAD> <BODY> <?php echo '<p>Hello World</p>'; ?> </BODY> </HTML> When I run the above code in a browser, firefox renders it like this: Hello World '; ?> I am doing my coding in Windows XP/IIS 5.1. I have PHP set up correctly because I have no problem running .php files. The problem, it seems to me, is that IIS can't render php code embedded inside html. Does anyone know how to fix this problem or should i switch to Apache?

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  • How do XAML files associate with cs files?

    - by LLS
    It seems that XAML files should have corresponding .cs files in a C# project. I know Visual Studio does all the things for us. I'm just curious how they are linked together? I mean, are they specified in the project file, or just because they have the same names? And also, App.xaml file specifies the startup file, but how does the compiler know? Is it possible to appoint another file other than App.xaml to do the same things as App.xaml does?

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  • Is System.Windows.Media.RenderCapability the wrong source to detect the current render-mode

    - by happyclicker
    I use System.Windows.Media.RenderCapability.Tier to show the current render mode within a diagnostics panel of my app. If I force the app to change the render-mode through the following code HwndSource hwndSource = PresentationSource.FromVisual(visual) as System.Windows.Interop.HwndSource; HwndTarget hwndTarget = hwndSource.CompositionTarget; hwndTarget.RenderMode = renderMode; neither System.Windows.Media.RenderCapability.TierChanged fires, nor has the System.Windows.Media.RenderCapability.Tier property changed. However the changes are applied to the app. If I look with Perforator, the render mode has been changed to the desired mode. Although I’ve found at many locations that System.Windows.Media.RenderCapability.Tier can be used to detect the current render state (also msdn, see this), it seems, System.Windows.Media.RenderCapability only gives information about the capabilities and not about the current mode. That makes also sense if I look at the name of the class. Is there another source to know how an actual wpf-content is rendered or am I doing something wrong?

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  • working with files on "start without debugging"

    - by user1472066
    I'm programming in C, and I have the following problem: I use fopen and try to read from a csv file, that is currently storred in the folder of the exe file of the program. the program works fine in debug mode and release mode, but when I try to run the program in "start without debugging" on visual studio 2008 express edition, the program stops working and windows is showing a message: "*.exe has stopped working. a program caused the program to stop working correctly. windows will close the program and notify you if a solution is available". I've tried running the program on several computers, and it's the same. another information I can give you is that if I enter the full path of the file (C:....file.csv) - then is works just fine, without any problem. I know I didn't write any code, but I hope someone will have an idea why this can happend. thanks is advance.

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