Recent questions tagged C#

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c# - Processing on large bitmaps (up to 3GB)

I'm working on some university project and got stuck with memory issue. I load a bitmap which takes about 1, ... format aren't taking place. 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 select a class by GetElementByClass and click on it programmatically

I have been trying to use this code to read the element by class in html/ajax knowing GetElementByClass is not a ... after class is found. } } 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# - Exception parsing json with System.Text.Json.Serialization

My sample code is very simple: using System.Text.Json.Serialization; using Newtonsoft.Json; public class C { public ... like Json.Net does ? 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 use Convert.ChangeType() when conversionType is a nullable int

I mean, I want to convert this: string a = 24; Convert.ChangeType(a, typeof(decimal?)) But it throws me ... the string value in type object. 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 is OnLevelWasLoaded on Unity 5?

In this new unity version, I think SceneManager is used. But I cant find how to do on level was loaded with ... Dont know what to pass... See Question&Answers more detail:os...

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

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638 views

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c# - Possible to have anti-aliasing when drawing a clipped image?

Currently, I'm successfully using the Graphics class to draw a non-rectangular clipped image (the turtle inside ... having anti-aliasing active? 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# - Garbage collection fails to reclaim BitmapImage?

I have an application(WPF) which creates BitmapImages in huge numbers(like 25000). Seems like framework ... ResourceManager after adding images 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# - (413) Request Entity Too Large

I have WCF service, and I have a method when I want to pass parameter as big string (over 1mb) I run ... have 413 request entity too large. 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 access the "Documents and Settings" folder?

I'm using C# .NET 4 with VS 2010. When Iterating over some paths, I'm running this line: files = Directory ... the path I'm currently checking? 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# - Parse string with whitespace and quotation mark (with quotation mark retained)

If I have a string like this create myclass "56, 'for the better or worse', 54.781" How can I parse it ... t provide the answer for this either. See Question&Answers more detail:os...

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

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255 views

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c# - Unbalanced Stack!

I have written a VC++ dll. The declaration for one of the methods in the dll is as follows: extern "C" ... is mis leading. Please help. 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# - Force child class to override function of ancestor via parent

I am writing an algorithm which requires the user to create his own class which inherits from a class defined ... it is implemented already. See Question&Answers more detail:os...

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

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427 views

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c# - How to detect when an application loses focus?

I created a usercontrol in c#, Leave and LostFocus are not fired if I switch to another program. How can I detect if the app loses focus? See Question&Answers more detail:os...

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

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369 views

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c# - Using a previously generated RSA public/private key with the .net framework

I have a pre-existing public/private key pair for RSA encryption which I need to use in .net . All ... would be much appreciated. Cheers Naren See Question&Answers more detail:os...

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

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164 views

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c# - Web API form-urlencoded binding to different property names

I am expecting a POST request with content type set to: Content-Type: application/x-www-form-urlencoded Request ... , but not with urlencoded. See Question&Answers more detail:os...

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

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761 views

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c# - How to simulate mouse click with the WebBrowser control

Using the WebBrowser control I am able to call an event when the mouse button is manually ... new HtmlElementEventHandler(GotoSearchPage); See Question&Answers more detail:os...

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

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744 views

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c# - json error Bad JSON escape sequence

I am working with json but i got an error Bad JSON escape sequence var model = JsonConvert.DeserializeObject<test>(def); ... \ y? u0013Eú", }" See Question&Answers more detail:os...

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

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279 views

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c# - search by samaccountname with wildcards

I have this code: public static DataTable ExecutesAMAccountNameQuery(string sAMAccountName) { string filter = "(&( ... in sql? 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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495 views

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c# - Mixed WPF and winforms project DPI awareness

I have a C# program that uses both winforms and WPF and I'm struggling to get it to work in high DPI ... in high DPI? Thanks in advance See Question&Answers more detail:os...

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

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443 views

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c# 4.0 - Collection of derived classes that have generic base class

Say I have several derived classes whose base class is a generic class. Each derived class inherit the base class ... can be an alternative way? See Question&Answers more detail:os...

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

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371 views

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c# - How to replace url-parameter?

given is an URL like http://localhost:1973/Services.aspx?idProject=10&idService=14. What is the most ... for your 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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185 views

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c# - Actual Performance of Fields vs. Properties

I'm doing some post-build CIL weaving that adds CIL to all methods in an assembly (in other words tons of ... the assembly is woven)? 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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174 views

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c# - Why are objects automatically passed by reference?

I have a general question about deep- and shallow-copy in the context of the pass-by-reference- and ... -reference. Suggestions al welcomed! See Question&Answers more detail:os...

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

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236 views

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c# - Understanding the Running Object Table

I'm attempting to use the running object table to get a DTE a specific instance of Visual Studio. I was ... get the ROT for all processes? See Question&Answers more detail:os...

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

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596 views

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c# - Blazor: A second operation started on this context before a previous operation completed

I'm creating a server side Blazor app. The following code is in the Startup.cs. services.AddDbContext<MyContext ... com/fwlink/?linkid=2097913.' See Question&Answers more detail:os...

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

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608 views

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c# - StreamReader and reading an XML file

I get a response from a web-server using StreamReader... now I want to parse this response (it's ... = xmlDoc.GetElementsByTagName("original"); See Question&Answers more detail:os...

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

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242 views

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c# - Retrieve and use Windows Azure's connection strings?

I've configured connection strings in Azure management portal Configure->Connection Strings (linked resources): What are ... were not there. See Question&Answers more detail:os...

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

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329 views

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c# - ComboBox items.count doesn't match DataSource

I have a ComboBox that is bound to a DataSource. I want to dynamically add items to the ComboBox based on ... is WinForms and not ASP.NET. See Question&Answers more detail:os...

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

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