Recent questions tagged C#

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c# - Why call Dispose() before main() exits?

My .net service cleans up all its unmanaged resources by calling resourceName.Dispose() in a finally block before ... longer being used, right? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Activation error occured while trying to get instance of type Database, key "" <-- blank

I'm trying out the Enterprise Library 5.0 and was doing some unit-tests on my BL, do I need to ... /> </connectionStrings> </configuration> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Using Linq to Select properties of class to return IEnumerable<T>

If I have a SortedList<int, MyClass> and I want to return a new IEnumerable<T> of properties from that class ... ) but it doesnt work. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to set focus on listbox item?

I have a defined list box like this: var listBox = new ListBox(); listBox.Items.Add(1); listBox.Items.Add(2 ... t have to press the arrow twice. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Webbrowser disable all audio output - from online radio to youtube

My webbrowser: XAML: //... xmlns:my="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration" //. ... do this in code. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to pass cookies to HtmlAgilityPack or WebClient?

I use this code to login: CookieCollection cookies = new CookieCollection(); HttpWebRequest request = (HttpWebRequest) ... .. Any suggestions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Threadsafe foreach enumeration of lists

I need to enumerate though generic IList<> of objects. The contents of the list may change, as in being ... objects referenced by the list. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Sync Vs. Async Sockets Performance in .NET

Everything that I read about sockets in .NET says that the asynchronous pattern gives better performance (especially ... to one server. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Changing the DefaultValue of a property on an inherited .net control

In .net, I have an inherited control: public CustomComboBox : ComboBox I simply want to change the default value ... hard to describe in detail. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - wrapping MemoryStream in a using

I've been told that System.IO.MemoryStream need not be wrapped in a using block because there is no underlying resource, ... )) { // do stuff } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Will lock() statement block all threads in the process/appdomain?

Maybe the question sounds silly, but I don't understand 'something about threads and locking and I would like to ... much as I have threads? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - What is the difference between HttpUtility.HtmlEncode and Server.HtmlEncode

What is the difference between HttpUtility.HtmlEncode and Server.HTMLEncode? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Sending HttpWebRequest through a specific network adapter

I have two wireless network adapters connected to my computer, each connected to a different network. I would like to ... the same.. any help? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Determine which mouse was clicked (multiple mice devices) in .NET

I want to detect when my touchpad is clicked! I normally use a usb mouse, so I don't use the touchpad ... doesn't have a synaptics trackpad. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How can I show text with html format in xamarin forms

I work on webservice with json and i get text with html format. I want my text have hyperlinks and some other ... that. How can I do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How would i use Sevenzipsharp with this code?

iv tried numerous different ways to get this to work and i got it to basicly work but i cant get the ... -y -PThisisthepass", tempFolder)); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Fatal Error C1083 - Cannot open include file: "windows.h": No such file or directory

I'm trying to get IKVM to build (see this question) but now have encountered a problem not having to do with ... in the "Include" path variable. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Is there any way to JSON.NET-serialize a subclass of List<T> that also has extra properties?

Ok, we're using Newtonsoft's JSON.NET product, which I really love. However, I have a simple class ... treat this object differently? M See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Is it possible to stop .NET garbage collection?

Is it possible for a programmer to programmatically start/stop the garbage collection in C# programming language? ... optimization and so on. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - What does the keyword "where" in a class declaration do?

I'm looking at the source code for the MvcContrib Grid and see the class declared as: public class Grid<T> : IGrid ... where T : class bit do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - where can i find ServiceAccountCredential

I am working in google api with asp.net c#, My goal is access google api using service account. I have ... i implement this in my project? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Refresh UI with a Timer in WPF (with BackgroundWorker?)

We have an application in WPF that shows data via ObservableCollection. After 5 minutes, I want to refresh the data ... on how I should proceed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

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c# - Why does this work? Method overloading + method overriding + polymorphism

In the following code: public abstract class MyClass { public abstract bool MyMethod( Database database, AssetDetails ... loop of recursion? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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156 views

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c# - Displaying a table in PHP with repeated columns

I have the following data in a MySQL database: Autonum ID Name MetaValue 1 1 Rose Drinker 2 1 Rose Nice ... preferred way to accomplish this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# 4.0 - Win Service getting permission denied to Message Queuing

I have a WinService that can't start because NServiceBus throws "Service cannot be started. System.Messaging. ... /startup> </configuration> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

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c# - LINQ Guarantees Ordering with SelectMany?

I have an array of ordered enumerables IorderedEnumerable<T>[] foo and I want to flatten it so that the ... order is handled when flattening? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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457 views

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c# - How do I write bold text to a Word document programmatically without bolding the entire document?

My program needs to generate highly simple reports in the Office .doc format (non-XML), and certain parts ... -bold text dispersed throughout. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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c# - asp.net core 2.0 Unable to Post to database

I have a web application that is being developed on a windows env and runs on ubuntu 16.04. I have no issues ... Filename=./blog.db"); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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