Recent questions tagged C#

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c# 4.0 - How to get rid of "windows can't verify the publisher of this driver software" window?

How to get rid of the "Windows can't verify the publisher of this driver software" window? Policy setting ... would be highly appreciate 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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c# - Protobuf-net fails to serialize property with only getter - Cannot apply changes to property

I am using protobuf-net to serialize an object and I get exception: Cannot apply changes to property TestProject. ... .name =name; } } 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# - Does await completely blocks the thread?

When we use await in the code, generally the awaiters captures the context and use that as callback when the ... used to execute any tasks? 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# - Sort Tasks into order of completition

I saw Jon Skeet give a talk a year or so ago where he showed a snippet of C# 5 that would take a list of ... or how this can be improved upon? 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# - WebHostBuilder. How to set url address using CommandLine in .NET-Core 2.0?

I use below code to add CommandLine in my .Net-Core 1.2 environment, I can use the command line like dotnet run ... equivalent of IPv4 0.0.0.0. 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 make text/labels smooth?

Does anyone know how to make labels, or text, smoother? At the moment they look quite jagged. As I want ... just insert the text from Photoshop. 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# - Performance of OLEDB to read Excel

Following code takes like 2500 milliseconds on an i7-*3.4 GHz windows-7 64-bit computer to read an ... ms", sw1.Elapsed.TotalMilliseconds); See Question&Answers more detail:os...

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

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289 views

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c# - WebBrowser: Drag&Drop

I want to intercept drag&drop action on WebBrowser control. To be more precise, I want to be able to cancel ... . GetDropTarget is never called. See Question&Answers more detail:os...

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

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363 views

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c# - Determine when a Windows 8 app is launched by Notification

I have notifications going to my application, I want to be able to take the user to that page in my ... does WNS handle that? 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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533 views

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c# - WinForms: DataGridView - programmatic sorting

I've got a form with datagridview on it. dataGridView is binded to BindingSource: public class Address { public ... What am I doing wrong? See Question&Answers more detail:os...

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

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327 views

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c# - Should changing the contents of a string like this cause an exception?

Consider the following code: using System; using System.Runtime.InteropServices; namespace Demo { class Program { static ... even more dodgy!] 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# - Execute a delegate in the ui thread (using message pump)

I have a background thread that handles communication with an external service. Each time the background thread ... thread to ui thread? See Question&Answers more detail:os...

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

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978 views

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c# - WPF combining MouseDown and TouchDown to same event

I am developing an app which will be used on a laptop with touch screen. Hence MouseDown events are ... ? Any feedback is 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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393 views

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c# - how to programatically disable a particular cell in WPF DataGrid

I m having a WPF DataGrid. Can u please tell , how to programatically disable a particular cell in WPF DataGrid. See Question&Answers more detail:os...

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

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414 views

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c# - DropdownList.selectedIndex always 0 (yes, I do have !isPostBack)

(Scroll down to bottom of post to find solution.) Got a asp.net page which contains a Datalist. Inside this ... LabelPrice.Text = color.Price; } See Question&Answers more detail:os...

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

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607 views

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c# - Update Databinding on lost focus

I've seen that WPF has a UpdateSourceTrigger property that will allow for data binding to take place after a ... change instead of the source? See Question&Answers more detail:os...

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

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747 views

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c# - WinForm richtextbox deep line spacing and character spacing

How to edit line spacing and character spacing on richtextbox in winform? I've tried PARAFORMAT2 but it does not allow ... ,2,3 in the picture? 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# - A DLL with WinForms that can be launched from A main app

I have created a C# DLL that has some forms in it. ( I needed it to be a DLL, not a Windows ... I should explain more about my question. See Question&Answers more detail:os...

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

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641 views

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c# - layered window with blur effect

I really like the effect that can be seen for example in iOS, which basicaly looks like a layer drawn on top ... "/> </StackPanel> </DockPanel> See Question&Answers more detail:os...

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

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817 views

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c# - Sorting selected rows in DataGridView

I have a DataGridView in a Winforms application. I want to select a set of rows in it and sort those rows ... the sort property of DGV 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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345 views

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c# - How would you improve this shallow copying class?

I've written a class with a single static method that copies property values from one object to another. It ... ShallowCopy.Copy(dto, employee); See Question&Answers more detail:os...

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

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384 views

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c# - RuntimeBinderException when using dynamic object

I feel like I'm missing something obvious here so feel free to point it out to me. I have a ... box for RuntimeBinderException and ignore 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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661 views

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c# - WebClient AsyncUpload progress percentage always returns 50%

i am using Webclient to upload data using Async call to a server, WebClient webClient = new WebClient(); webClient. ... the problem out to me ? See Question&Answers more detail:os...

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

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396 views

1 answer

c# - How to change the status bar color without a navigation page

I want to change the status bar color on some views. I found this solution https://github.com/yuv4ik/ ... change the status bar color ? See Question&Answers more detail:os...

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

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335 views

1 answer

c# 4.0 - Why is it not possible to declare a function with VAR return type?

In C#, we have var data type but we can't use it as functions return type. Why this is not possible? public ... () { var = some operations } See Question&Answers more detail:os...

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

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479 views

1 answer

c# - Remove GenerateMember and Modifiers Properties in Designer

I created a Button descendant where I hide all the properties I don't use. I do it like this: [ ... and Modifiers in the Designer? See Question&Answers more detail:os...

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

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387 views

1 answer

c# - Getting average value of groups with LINQ

I am trying to split my List into different groups based on a certain value each item in the List has, ... be greatly appreciated. Thank you! 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

1 answer

c# - Send WM_CLOSE message to a process with no window

Starting a process - ProcessStartInfo psi = new ProcessStartInfo("G:\SampleWinApp.exe"); psi.UseShellExecute = false; ... , this never triggers. See Question&Answers more detail:os...

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

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