Recent questions tagged C#

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c# - Matrix / coordinate transformation order

I have two array of points: Point [] original; AND Point [] transformed; These transformed array is simply a ... hope this clears the context. 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# - PInvoke error when marshalling struct with a string in it

I have a C++ struct struct UnmanagedStruct { char* s; // Other members }; and a C# struct struct ... the string s from the structs. 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 get ObjectResult from Entity Framework using a list of Identities

I have a HashSet of Identity values that I need to use as the query values to return a ObjectResult ... the System.Data.Objects.ObjectContext 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# - Listbox bound to an ObservableCollection doesn't update

I am using a ObservableCollection to store the Environment Variables of Windows. class VariableVieWModel { ObservableCollection< ... .Close(); } 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# - When does Task.Run flow SynchronizationContext with ExecutionContext?

This article from states that SynchronizationContext may flow with ExecutionContext: private void button1_Click(object sender, ... the article? See Question&Answers more detail:os...

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

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540 views

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c# - Minimize to tray make form unvisible

I am using NotifyIcon to make my form minimize to tray to work at background. However below code doesn't show app ... icon to re-open the form. 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 extend diagonal line renderer line over a certain duration

I created a diagonal line renderer by attaching the following script to an empty game object. How can I extend the line ... (1, endPoint); } } 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# - Difference between Windows Phone Silverlight 8.1 and Windows Phone 8.1 development

I am working on Windows Phone development. For that I installed required SDK. I do create new project with Windows ... . Please help me out. 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# - Linq distinct not working correctly

I'm having a strange problem with a linq query. I'm using LINQPad 4 to make some a query that uses regular expression ... ) AS [t1] ) AS [t2] 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# - Strip out C Style Multi-line Comments

I have a C# string object that contains the code of a generic method, preceded by some standard C-Style ... pointed in the right direction? See Question&Answers more detail:os...

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

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661 views

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c# - sending a large amount of data throught TCP socket

This is my first question posted on this forum, and I'm a beginner in c# world , so this is kind of exciting ... 've tried but it didn't work! See Question&Answers more detail:os...

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

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459 views

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c# - Posting byte array to the server

I am using POST to sent a byte array and a string to the server but is not sucessfull, am I doing the ... , tempBuffer.Length); stream.Close(); See Question&Answers more detail:os...

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

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620 views

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c# - DataGridView - Sort Generic Lists by Click on Column Headers

When I assign a List<MyClass> to DataSource of a DataGridView, when I click on column headers, nothing happens ... I click on column header? See Question&Answers more detail:os...

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

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630 views

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c# - Can many-to-many relationships in EF Core 5.0 be configured keeping just one navigation property (on one side)?

I've configured my DbContext (EF Core 5.0) with the following code: protected override void OnModelCreating( ... Role.Users navigation property? See Question&Answers more detail:os...

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

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611 views

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c# - Detecting a left button mouse click Winform

What I'm trying to do is get my winform to display a debug line when ever I click in my winform. ... am very new to winform programming. See Question&Answers more detail:os...

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

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445 views

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c# - Unity3D - problem with Google Play 64-bit requirement

I cannot deploy the .abb nor .apk as I keep getting the 64-bit requirement error in the Google Play Console. I ... don't get what is the issue. See Question&Answers more detail:os...

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

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687 views

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c# - console application wait for keyup

I′m currently working on a roguelike in c#. The world, player etc. are rendered inside of a console. But when ... here's what it looks like: See Question&Answers more detail:os...

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

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382 views

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c# - Get distinct values from list

public List<MAS_EMPLOYEE_TRANSFER> GetEmployeeTransferListForHR(TimecardDataContext TimecardDC) { List<MAS_EMPLOYEE_TRANSFER> ... . See Question&Answers more detail:os...

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

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481 views

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c# - Can a method be attached to a delegate with predefined parameters?

Sometimes I encounter cases where I have to attach a method to a delegate but the signature doesn't match, like trying to ... => abc(i, "hi"); See Question&Answers more detail:os...

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

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746 views

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c# - Could not load file or assembly Magick.Net on Elastic Beanstalk Deployment

I am getting the following error when deploying my project to Amazon Elastic Beanstalk: Could not load file ... project on Elastic Beanstalk? See Question&Answers more detail:os...

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

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924 views

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c# - how to parse json array using Litjson?

I am developing an application in which i am using data came from server in the json format. However i am ... I am using Litjson for parsing. See Question&Answers more detail:os...

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

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347 views

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c# - When passing dynamic to method, the result is dynamic expression, even if it is not

In C# 5 when I tried to pass a dynamic as a method parameter the result for some reason became dynamic. ... want to understand WHY it happens. See Question&Answers more detail:os...

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

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436 views

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c# - How to get current EF version

Since new Entity Framework version I got from nuget broke some of my tests, in one of my projects I want ... the assemblies in current domain? See Question&Answers more detail:os...

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

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535 views

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c# - Hiding dashed outline around trackbar control when selected

In C# winforms, is there a way to not show the dashed focus outline border that shows around a trackbar control ... not show it. Thanks, Adam See Question&Answers more detail:os...

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

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1.1k views

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c# - File Upload, The remote server returned an error: (413) Request Entity Too Large

When I upload a file via WCF services, I received the exception, "The remote server returned an error: (413) ... in Windows Server 2008? 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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512 views

1 answer

c# - How to add new row to datagridview only after specific cells of the row above are filled?

I'm working on a desktop application in C# (.NET 4.0). I have a datagridview filled with custom objects, via ... you for your time and answers. See Question&Answers more detail:os...

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

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469 views

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c# - Get Stored Procedure from Data Context : Linq to SQl

I have a stored procedure named ParseXML in SQL Server. I have a repository pattern using LINQ to ... UnitOfWorks, ISession and repositories See Question&Answers more detail:os...

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

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1.0k views

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c# - itextsharp adding image to existing pdf

i am trying to add an image using itextsharp but not having any luck there are a ton of tutorials for adding an ... reader.Close(); fs.Close(); See Question&Answers more detail:os...

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

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