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c# Programming Glossary: actuallyShould Usings be inside or outside the namespace http://stackoverflow.com/questions/125319/should-usings-be-inside-or-outside-the-namespace code organization share improve this question There is actually a subtle difference between the two. Imagine you have the following..
Transitioning from Windows Forms to WPF http://stackoverflow.com/questions/15681352/transitioning-from-windows-forms-to-wpf with the data needed. Because of this the designer isn't actually used that much since your application components are designed..
How to create and connect custom user buttons/controls with lines using windows forms http://stackoverflow.com/questions/15819318/how-to-create-and-connect-custom-user-buttons-controls-with-lines-using-windows that holds all these items both nodes and connectors is actually a ListBox . Things worth noting The NodeXX text is contained.. little red semi circles you see around the nodes which are actually what the Connector s are tied to. I also changed the Connector.. to the parent Node . These are not limited to 4 and could actually be any number of them per Node . The ComboBoxes and Buttons..
How to stop BackgroundWorker on Form's Closing event? http://stackoverflow.com/questions/1731384/how-to-stop-backgroundworker-on-forms-closing-event safe and exception safe way to do this that I know is to actually cancel the FormClosing event. Set e.Cancel true if the BGW is..
Dependency Inject (DI) “friendly” library http://stackoverflow.com/questions/2045904/dependency-inject-di-friendly-library of control share improve this question This is actually simple to do once you understand that DI is about patterns and.. to an interface not an implementation This principle is actually a quote from memory though from Design Patterns but it should..
http://stackoverflow.com/questions/251391/why-is-lockthis-bad Finally there is the common misconception that lock this actually modifies the object passed as a parameter and in some way makes..
http://stackoverflow.com/questions/271440/c-sharp-captured-variable-in-loop act.Invoke I expect it to output 0 2 4 6 8. However it actually output five 10s. It seems that it is due to all actions are..
Casting vs using the 'as' keyword in the CLR http://stackoverflow.com/questions/496096/casting-vs-using-the-as-keyword-in-the-clr with convertedRandomObject.Value Note currently this is actually slower than is cast . I think it's more elegant and consistent.. where I've noted that unboxing to a nullable value type is actually slower but consistent. As per naasking's answer is and cast.. as plus null check definitely is slower. The above code actually makes the type check easy because it's for a sealed class if..
http://stackoverflow.com/questions/5181777/use-of-application-doevents to grok. Right off the bat almost any Winforms program actually contains a call to DoEvents . It is cleverly disguised however.. way to avoid problems. Of course no programmer ever actually likes doing this. And doesn't. Which is why you shouldn't use..
http://stackoverflow.com/questions/521298/when-to-use-struct-in-c not allow structures to have default constructors. It is actually quite simple and we will borrow from Asimov's Three Laws of..
What is the difference between Decimal, Float and Double in C#? http://stackoverflow.com/questions/618535/what-is-the-difference-between-decimal-float-and-double-in-c example so if you use a binary floating point value you'll actually get an approximation to 0.1. You'll still get approximations..
Random number generator only generating one random number http://stackoverflow.com/questions/767999/random-number-generator-only-generating-one-random-number just made the outcome even more random but what we are actually doing is potentially breaking the internal implementation and..
What does the [Flags] Enum Attribute mean in C#? http://stackoverflow.com/questions/8447/what-does-the-flags-enum-attribute-mean-in-c 00001110 So when you retreive the value you are actually bitwise AND'ing the values myProperties.AllowedColors 00001110..
Is there a reason for C#'s reuse of the variable in a foreach? http://stackoverflow.com/questions/8898925/is-there-a-reason-for-cs-reuse-of-the-variable-in-a-foreach revised since then The latter. The C# 1.0 specification actually did not say whether the loop variable was inside or outside..
http://stackoverflow.com/questions/9705637/executereader-requires-an-open-and-available-connection-the-connections-curren to avoid creating opening or closing connections since actually they aren't created opened and closed at all. This is only a..
Why does my C# gzip produce a larger file than Fiddler or PHP? http://stackoverflow.com/questions/11435200/why-does-my-c-sharp-gzip-produce-a-larger-file-than-fiddler-or-php .NET or visa versa. Why is the .NET output so much larger Actually it turns out that while the result from PHP and Fiddler are..
How to run console application from Windows Service? http://stackoverflow.com/questions/1369236/how-to-run-console-application-from-windows-service app is easy. But still can`t run cmd or any console app. Actually I need to run it on XP SP2 and Windows 2003 Server. So do not..
C# Interfaces. Implicit implementation versus Explicit implementation http://stackoverflow.com/questions/143405/c-sharp-interfaces-implicit-implementation-versus-explicit-implementation
Why can't I catch a generic exception in C#? http://stackoverflow.com/questions/1577760/why-cant-i-catch-a-generic-exception-in-c explicitly throw ArgumentException . Any ideas why this is Actually I was kind of surprised that I was even able to use T in the..
How do I use LINQ Contains(string[]) instead of Contains(string) http://stackoverflow.com/questions/194930/how-do-i-use-linq-containsstring-instead-of-containsstring but you need to create a List string from string first. Actually a List int would be better if uid is also int . List T supports..
Compiler Ambiguous invocation error - anonymous method and method group with Func<> or Action http://stackoverflow.com/questions/2057146/compiler-ambiguous-invocation-error-anonymous-method-and-method-group-with-fun delegate type D or otherwise a compile time error occurs. Actually no not in this program. We never get as far as activating this..
http://stackoverflow.com/questions/2138429/hash-and-salt-passwords-in-c-sharp it c# hash passwords salt share improve this question Actually this is kind of strange with the string conversions which the..
Best hashing algorithm in terms of hash collisions and performance for strings http://stackoverflow.com/questions/251346/best-hashing-algorithm-in-terms-of-hash-collisions-and-performance-for-strings two characters on average making every compare very fast . Actually I had a situation myself before where searching directly within..
Hide TabControl buttons to manage stacked Panel controls http://stackoverflow.com/questions/2798215/hide-tabcontrol-buttons-to-manage-stacked-panel-controls by making the selected one visible and bring it on top. Actually this is not much confortable especially in the UI designer since..
http://stackoverflow.com/questions/2820384/reading-embedded-xml-file-c-sharp name and folder containing the resource file. Update Actually assembly.folder should be replaced by the namespace in which..
Can't operator == be applied to generic types in C#? http://stackoverflow.com/questions/390900/cant-operator-be-applied-to-generic-types-in-c comparison when using an unrestricted generic type. Actually the compiler will use the best method it can find for the restricted..
How do foreach loops work in C#? http://stackoverflow.com/questions/398982/how-do-foreach-loops-work-in-c foreach loops c# foreach share improve this question Actually strictly speaking all you need to use foreach is a public GetEnumerator..
http://stackoverflow.com/questions/540593/lex-yacc-for-c Yacc for C# Actually maybe not full blown Lex Yacc. I'm implementing a command interpreter..
IPC Mechanisms in C# - Usage and Best Practices http://stackoverflow.com/questions/56121/ipc-mechanisms-in-c-sharp-usage-and-best-practices stuff in IPC is Windows Communication Foundation . Actually there is nothing new in the lower level tcp upd named pipes..
Convert generic List/Enumerable to DataTable? http://stackoverflow.com/questions/564366/convert-generic-list-enumerable-to-datatable quicker HyperDescriptor in 2.0 or maybe Expression in 3.5. Actually HyperDescriptor should be more than adequate. For example remove..
What is the best workaround for the WCF client `using` block issue? http://stackoverflow.com/questions/573872/what-is-the-best-workaround-for-the-wcf-client-using-block-issue c# wcf wcf client using share improve this question Actually although I blogged see Luke's answer I think this see alternative..
How to handle WndProc messages in WPF? http://stackoverflow.com/questions/624367/how-to-handle-wndproc-messages-in-wpf in WPF c# wpf wndproc share improve this question Actually as far as I understand such a thing is indeed possible in WPF..
“Parameter not valid” exception loading System.Drawing.Image http://stackoverflow.com/questions/629955/parameter-not-valid-exception-loading-system-drawing-image returnImage System.Drawing.Image.FromStream ms Actually the byteArrayIn 's length is 169014. And none of value in it..
Sending email through Gmail SMTP server with C# http://stackoverflow.com/questions/704636/sending-email-through-gmail-smtp-server-with-c-sharp this on a test ASP.NET site I was working on and it works. Actually at some point I had an issue on my code. I didn't spot it until..
http://stackoverflow.com/questions/9705637/executereader-requires-an-open-and-available-connection-the-connections-curren for these locks which causes performance issues at best. Actually sooner or later you'll get many different exceptions like your..
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