Recent questions tagged C#

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c# - How to get the current task reference?

How can I get reference to the task my code is executed within? ISomeInterface impl = new SomeImplementation(); ... as an additional parameter. See Question&Answers more detail:os...

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

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398 views

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c# - Fetching all mails in Inbox from Exchange Web Services Managed API and storing them as a .eml files

I want to fetch all mails in the Inbox folder using EWS Managed API and store them as .eml. The problem ... despite it may turn long. See Question&Answers more detail:os...

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

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543 views

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c# - Get System.Windows.Forms.IWin32Window from WPF window

I'm writing a WPF app, and I'd like to make use of this library. I can get an IntPtr for the ... IntPtr to System.Windows.Forms.IWin32Window? See Question&Answers more detail:os...

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

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692 views

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c# - Cannot implicitly convert type 'System.Data.EntityState' to 'System.Data.Entity.EntityState'. An explicit conversion exists (are you missing a cast?)

I am getting this error in asp.net when using Entity Framework : "Cannot implicitly convert type System.Data. ... do to resolve the error. See Question&Answers more detail:os...

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

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191 views

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c# - Integrating Facebook chat

I have written a program to integrate Facebook user chat in C#, however I always get <failure xmlns="urn:ietf: ... once I finish converting it. See Question&Answers more detail:os...

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

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839 views

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c# - unit testing system.timers.timer

I've been reading over the questions about unit testing with timers and threading. I found the SO question about ... it's elapsed event 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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375 views

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c# - How to click a link element programmatially with HTMLElement?

I'm doing an automation program. I load a webpage into my windows form and load it in WebBrowser control ... how to click each programmatically? See Question&Answers more detail:os...

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

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581 views

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c# - Difference between Enum.GetValues and Enum.GetNames

I see the Enum.GetValues returns base Array type and Enum.GetNames returns a string array. But I don't ... Enum.GetNames as a DataSource. See Question&Answers more detail:os...

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

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358 views

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c# - How to write a WCF service with in-memory persistent storage?

I wrote a WCF service, but the data stored in the Service implementation doesn't persists between calls, not even ... ); Console.ReadLine(); } See Question&Answers more detail:os...

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

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698 views

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c# - Wait for n seconds, then next line of code without freezing form

Hi I am trying to find a method of waiting a number of milliseconds before moving to the next line of code, I ... been driving me a bit mad :( 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# - Can you use a CASE statement with OrderBy in an LINQ to Entities query?

I'm wonder if someone can transform the SQL below to a LINQ to Entities query SELECT Name, IsEmployee, IsQualityNetwork ... in type 'Person'"} See Question&Answers more detail:os...

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

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271 views

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c# - Assembly reference not found in XAML, but code compiles when referenced in xaml.cs class

I've got a strange problem adding a dll reference. I've got a WPF application and am trying to use ... the assembly reference as shown below. See Question&Answers more detail:os...

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

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280 views

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c# 4.0 - Entity Framework - Underlying data (in database) change notification

I'm using the Entity Framework to manipulate data in a database with success so far. However, I would like ... can have consistent/up2date data. See Question&Answers more detail:os...

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

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464 views

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c# - How to fix error: The message received from the server could not be parsed

We have a Sharepoint solution that uses AJAX. The button that triggers this is inside an update panel. One of the ... prefer not to 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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835 views

1 answer

c# - Add Custom Headers using HttpWebRequest

I am not really sure what type of headers these highlighted values are, but how should I add them using ... , 0, requestData.Length); See Question&Answers more detail:os...

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

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336 views

1 answer

c# - File sharing not working as expected

I have a file sharing issue where my process is trying to read a log file whilst it is currently still open by NLog ... on .NET 4 % Windows XP. See Question&Answers more detail:os...

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

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383 views

1 answer

c# - Is there a generic type-constraint for "where NOT derived from"?

We can specify a "derived from" constraint on generic type parameters like this: class Bar<T> where T : ... from" constraints are impossible? See Question&Answers more detail:os...

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

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672 views

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c# - Retrieve enum value based on XmlEnumAttribute name value

I need a Generic function to retrieve the name or value of an enum based on the XmlEnumAttribute "Name" ... Any assistance would be appreciated. See Question&Answers more detail:os...

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

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366 views

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c# - WPF: How to make RichTextBox look like TextBlock?

How can I make RichTextBox with no Margin, Border, Padding etc. ? In another words to display content in the ... if they reported this bug. See Question&Answers more detail:os...

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

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471 views

1 answer

c# - How to set a .PNG image as a TILED background image for my WPF Form?

I'm learning WPF on my own and I can't seem to find a way to make this work. Here's my code: < ... can I make a tiled background image appear? See Question&Answers more detail:os...

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

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675 views

1 answer

c# - LINQ to Entities does not recognize the method 'System.Object GetValue(...)'

My issue is I need to query on the value of a property in a generic class. The property is tagged with an ... ideas how to achieve this? Thx. See Question&Answers more detail:os...

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

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221 views

1 answer

c# - Save stream as image

How to save stream as image and store the image in temp files? See Question&Answers more detail:os...

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

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307 views

1 answer

c# - Implementing INotifyPropertyChanged for nested properties

I have a Person class: public class Person : INotifyPropertyChanged { private string _name; public string Name{ get ... not Address?? 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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580 views

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c# - AutoMapper.Mapper.CreateMap<TSource,TDestination>()' is obsolete

I have to classes Like class A { public int id {get; set;} } class B { public C c {get; set;} } ... name and structure. Any help on 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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489 views

1 answer

c# - Find all parent types (both base classes and interfaces)

I want to be able to find all parent types (base classes and interfaces) for a specific type. EG if i have ... to do it myself but oh well. See Question&Answers more detail:os...

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

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256 views

1 answer

c# - Field concatenation based on group in LINQ

I want concate a times field based on grouping of Userid and dates field using LINQ . i am using VS2010 C# ... format. and want result like See Question&Answers more detail:os...

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

0 votes

485 views

1 answer

c# - button1.PerformClick() in wpf

Why this code in WPF does not work ? private void button1_Click(object sender, EventArgs e) { MessageBox.Show("yes"); ... ; } I need to command. See Question&Answers more detail:os...

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

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498 views

1 answer

c# - Assembly binding error when building Office add-in: "FindRibbons" task failed unexpectedly

We're trying to set up a Jenkins (build server) job to build our Office add-in based on VSTO. However, I keep ... t spin up a Windows 7 image). See Question&Answers more detail:os...

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

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