Recent questions tagged Vb.net

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vb.net - Doesn't C# Extension Methods allow passing parameters by reference?

Is it really impossible to create an extension method in C# where the instance is passed as a reference? Here ... there any workaround for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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875 views

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vb.net - Collection initialization syntax in Visual Basic 2008?

I'm trying to determine if there's a way in Visual Basic 2008 (Express edition if that matters) to do inline ... or is it just not implemented? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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771 views

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vb.net - Help with Linq and Generics. Using GetValue inside a Query

I'm triying to make a function that add a 'where' clause to a query based in a property and a value ... = query.ToList Return query End Function See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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vb.net - Convert hex color string to RGB color

I want to convert hex color to RGB color. I used the following code: Me.BackColor = RGB("#000000") But then it ... is the right way to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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703 views

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vb.net - How can I do JSON serializer ignore navigation properties?

I am exactly in the same case that this question: How do I make JSON.NET ignore object relationships? I see ... I modify my Entity Model anyway? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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809 views

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vb.net - Creating a WPF Window that allows zooming and panning

I want to create a Window that will hold several controls. However, I would like the user to be able to pan ... in the right direction. thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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734 views

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vb.net - Which is faster? ByVal or ByRef?

In VB.NET, which is faster to use for method arguments, ByVal or ByRef? Also, which consumes more ... not applicable or specific enough. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vb.net - Serilog - Output/Enrich All Messages with MethodName from which log entry was Called

Is there anyway to enrich all Serilog output with the Method Name. For Instance consider If I have the following; ... won't work each time. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vb.net - Show checked rows into another DataGridView

I have a DataGridView populated with a DataTable. I added a CheckBoxColumn to select some rows. My Goal is to show ... can I do it otherwise? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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924 views

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vb.net - any function for listing out all the files of a specified type in a folder in VB6

I would like to know if there are some in built functions for the scenario that is described below : The input ... as such. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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768 views

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vb.net - Why am I getting, "Object reference not set to an instance of an object." but no line of code is implicated?

When I try to build my VB.NET solution, I get the error, "Object reference not set to an instance ... could be causing this gigantic headache? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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936 views

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vb.net - How to make SendKeys act Synchronously in IBM Host Access Library

I use the IBM Host Access Class Library for COM Automation as a way to communicate with an IBM AS400 (aka ... 6.0 Host Access Class Library. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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vb.net - no value given for one or more required parameters

What's wrong in here, I always get some nasty errors even if the same code that I used earlier works. But ... Sub what might be wrong here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

vb.net - Transparency of picture box

Im just looking for an answer in my simple problem. Here it is I have a pricturebox that has image with ... to make it fully transparent? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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952 views

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vb.net - VB 2010 'variable' is not declared. It may be inaccessible due to it's protection level

i'm sort of a n00b to VB and was wondering how to make a variable available across multiple Subs. It's just ... due to it's protection level." See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

vb.net - ByVal and ByRef with reference type

Please see the code below: Public Class TypeTest Public variable1 As String End Class Public Class Form1 Private ... the function called: Test. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

vb.net - Random array using LINQ and C#

I was reading an article on MSDN Magazine about using the Enumerable class in LINQ to generate a random array. ... OrderBy(Function() rnd.Next) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

vb.net - Convert String to Double - VB

Is there an efficient method in VB to check if a string can be converted to a double? I'm currently doing this ... as a string Return x End Try See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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vb.net - Progress Bar and Background Worker

I have a progress bar and backgroundworker in VB.Net that I would want to work in a different form as given ... m getting a bit confused here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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784 views

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vb.net - Automatically adjusting winform and controls to screen size

I created a winform application. The size of each screen is 1361, 768 in pixels. This worked great for larger screens ... ? I am using VS 2012. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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810 views

1 answer

vb.net - Why is True equal to -1

I was wondering why True is equal to -1 and not 1. If I remember correctly (back in the days) in C, " ... .WriteLine(f) ' 0 Console.ReadLine() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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825 views

1 answer

vb.net - server sent events (eventsource) with standard asp.net mvc causing error

I am trying my hand at server-sent events, but I cannot get it to work within an MVC project (not WebAPI). ... to the stream string by string. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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973 views

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vb.net - Why is it not necessary to indicate ByVal/ByRef anymore?

I just installed Visual Studio 2010 Service pack (proposed on Windows Update), and I can see a new feature on ... like it is always ByRef) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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877 views

1 answer

vb.net - How to Generate Combinations of Elements of a List<T> in .NET 4.0

I have a question that is similar, but not identical, to the one answered here. I would like a function generate ... could be coded in VB10.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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983 views

1 answer

vb.net - Executable directory where application is running from?

I need to get the path (not the executable) where my application is running from: System.AppDomain.CurrentDomain ... Visual Studio 2008. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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618 views

1 answer

vb.net - What is the difference between "instantiated" and "initialized"?

I've been hearing these two words used in Microsoft tutorials for VB.NET. What is the difference between ... used in reference to variables? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

690 views

1 answer

vb.net - Get File Size on FTP Server and put it on a Label

I'm trying to get the size of a file that is hosted on a FTP Server and put it in a Label while the ` ... = e.ProgressPercentage & " %" End Sub See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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763 views

1 answer

vb.net - Is there a possibility to address elements on a website which have no ID?

In Vb.net, with a Webbrowser, I normally use GetElementByIdto address for example a button. I know that there is ... when the ID is unknown? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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