Recent questions tagged C#

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This is my first question here. As English is not my first language, forgive me for any mistakes. I'm ... correct this? 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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c# - Gap-less sequence where multiple transactions with multiple tables are involved

I have a requirement (by law) for a gap-less numbers on different tables. The IDs can have holes in ... and this complex long transactions. See Question&Answers more detail:os...

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

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628 views

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c# - Microsoft Graph: Unable to update Start or End Date of an event

I'm using Microsoft Graph .NET SDK to update outlook events. Following code successfully updates the Subject, and ... () .UpdateAsync(@event); See Question&Answers more detail:os...

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

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485 views

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c# - Why DataGridColumn not getting removed from DataGridView

I have custom DataGridView control and in that control there is RefreshGrid() method which fill DataGridView by ... suggest me the solution. See Question&Answers more detail:os...

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

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557 views

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c# - How to add additional custom window to VS setup projects UI flow

I'm using a VS 2008 setup project to deploy my application to client computer. Now I need to add custom UI Window ... window. 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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519 views

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c# - Parsing inner tag with its value

I have a plist in this format: <plist version="1.0"> <array> <dict> <key>Title</key> <string>Chapters</ ... subtopics like ASDF 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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433 views

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c# - WebApi Custom Filter with injected interface in constructor does not get called

My problem statement is same as this question i.e., use an injected service in attribute/filter. I have ... solution to this. 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# - NAudio Record buffer full after 5 seconds of recording

I'm making a program using Visual C# Studio that records from a microphone. I wish to record for a few minutes ... what is the problem? 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# - Process.Exited event is not be called

I have the following code snippet to call into command line: p = new Process(); ProcessStartInfo psi = new ... called. Any clues? 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# - Clear all TextBox in Window

I'm programming in c#(WPF). I have a lot of nested controls. I want to clear all of my TextBox control which are ... c)) { ClearAll(child); } } See Question&Answers more detail:os...

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

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909 views

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c# - How to get Selected items in WPF CheckBox ListBox

Am Using the checkbox in listbox items, how to get the selected checkboxes from the list <ListBox ItemsSource="{Binding ... ToString()); } } } See Question&Answers more detail:os...

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

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629 views

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c# - How to use Ninject in a multi-threaded Windows service to get new instances of a dependency (DbContext) on every tick?

I have inherited a Windows service where all the dependencies are created when the service starts and are ... the ThreadLocal storage instead. See Question&Answers more detail:os...

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

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689 views

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c# - network Authentication and website Authentication using HttpWebRequest

I am trying to create a application that will consume RSS data using .NET Framework. The RSS site requires ... i get 401 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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665 views

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c# - What's the lifetime of an unmanaged DLL once it's been pInovked from managed code?

For example if you have a simple managed console app and a simple unmanaged C++ DLL. You pInvoke into a ... completion of every pInvoke call? See Question&Answers more detail:os...

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

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565 views

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c# - Is there any way of doing an image map on XAML?

I want to create a Windows 8 application using C# and XAML. I want to have an image with different parts ... to make images clickable in XAML? See Question&Answers more detail:os...

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

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557 views

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c# - Linq problem with inserting new rows that have references to existing records

(I believe this is the same problem as this one, but there's no answer there, and I think I can ... the correct approach here is? 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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686 views

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c# - dispatcherTimer doesn't work accurately

I need to capture 10 frames per second of a live camera for 15 min. I used dispatcherTimer class but seems ... == 10 frames per seconds See Question&Answers more detail:os...

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

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539 views

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c# - Waiting for a single task to fail out of a List<Task<..>> more cleanly, possibly with LINQ?

In my application I have a List<Task<Boolean>> that I Task.Wait[..] on to determine if they completed ... do this, possibly with LINQ? See Question&Answers more detail:os...

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

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619 views

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c# - MVVM light Dispatcher unit tests

I have the following function public void Reset() { DisableModule(); DispatcherHelper.UIDispatcher. ... DispatcherHelper.UIDispatcher.Invoke See Question&Answers more detail:os...

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

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870 views

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c# - Parsing UTF8 encoded data from a Web Service

I'm parsing the date from http://toutankharton.com/ws/localisations.php?l=75 As you can see, it's ... (stream, Encoding.UTF8) sufficient ? See Question&Answers more detail:os...

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

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773 views

1 answer

c# winform background worker and progress bar

I am trying to get the progress bar to increment using a BG Worker. I am currently using 2 BG workers, ... clearly the progress bar. 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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516 views

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c# - Force decimal type in class definition during serialization

I have a class. One of the members of the class is having subtypes as Decimal. Default Json serializer (not directly ... values { get; set; } } See Question&Answers more detail:os...

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

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598 views

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c# - WPF Find window instance

I have created an instance of a window inside a class, but I am unable to access the instance of the window ... window I am trying to access? See Question&Answers more detail:os...

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

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523 views

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c# - dynamic table name in Entity

I want to call method with Table name like db.users.select(x=> x.FirstName) , but i made a mistake ... ).GetMember(dbTableName).ToList(); } 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# - Minimize LINQ string token counter

Followup on answer to an earlier question. Is there a way to further reduce this, avoiding the external String.Split call ... sub.Equals(t)) }); See Question&Answers more detail:os...

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

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701 views

1 answer

c# - Xamarin Forms ListView for iOS: Always Show ScrollBar

I have a ProductList of type ObservableCollection<Product> where Product is a class given below: public class Product { ... you very much... See Question&Answers more detail:os...

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

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385 views

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c# - Convert an array of different value types to a byte array

This is what I've come up with so far, but it doesn't seem very optimal, any ideas on better approaches? ... offset += obytes.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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792 views

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c# - System.OutOfMemoryException' was thrown - WebClient.DownloadStringAsynch()

I'm writing a poor mans load tester and I thought I was managing my resources correctly (thread pool) but when I ... ("Received reponse..."); } See Question&Answers more detail:os...

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

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