Recent questions tagged vb.net

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vb.net - When are default form instances created?

The startup sequence and handling of form instances is quite weird in VB.NET. When you refer to a form as ... created. Thank you 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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vb.net - How can i show month selection calendar in my app

I am interested in showing list of 12 months like in similar way to datepicker's month selection control. But i ... the list. my desired output: See Question&Answers more detail:os...

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

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879 views

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vb.net - What is the use of the := syntax?

I'm a C# developer working on a VB.NET project, and VS keeps trying to get me to use the := thingie when ... = construction, and what is it for? See Question&Answers more detail:os...

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

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vb.net - select case to check range of a decimal number

i need to check whether a demical is 0 through 49.99 or 50 through 99.99 or 100 through 199.99 or greater ... sure of the syntax. please help! See Question&Answers more detail:os...

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

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894 views

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vb.net - .NET 4.0 framework dynamic features in VB with Option Strict On?

Is there any way to use the new dynamic features in the 4.0 framework like ExpandoObject in VB.NET without ... type safety in this case? See Question&Answers more detail:os...

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

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984 views

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vb.net - Get extended file information details

How can one obtain the details of a windows file using VB.net? The type of details I mean are those found ... as "Tags" for example. 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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832 views

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vb.net - Exception handling problem in release mode

I have application with this code: Module Startup <STAThread()> _ Public Sub Main() Try Application. ... this types of exceptions? See Question&Answers more detail:os...

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

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vb.net - Making Winforms Fullscreen

I need to make a winform full screen. This is what i found online. 1. Hook WinProc to catch ... the right direction? Thanks giodamelio See Question&Answers more detail:os...

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

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vb.net - How to handle multiple click events with same Sub

I'm making a game for my visual basic course. I have multiple picture boxes that when clicked will reveal a hidden ... it looks like (for now): See Question&Answers more detail:os...

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

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vb.net - When is a static variable created?

Let's say I have a static variable in a function: Private Sub SomeFunction() Static staticVar As String ... of the enclosing class? 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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vb.net - Read Console Process Output

I'm attempting to read the full contents of a console process (after 3 seconds) with the code below: Dim ... How can I solve this problem? See Question&Answers more detail:os...

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

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vb.net - Why cannot convert null to type parameter T in c#?

I'm converting a bunch of code from VB to C# and I'm running in to an issue with a method. This VB method ... lot of code. What am I missing? See Question&Answers more detail:os...

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

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877 views

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vb.net - Typecasting generic parameters

Using the following code: Function GetSetting(Of T)(ByVal SettingName As String, ByRef DefaultVal As T) As T Return ... /11/2010#) Stop End Sub See Question&Answers more detail:os...

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

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858 views

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vb.net - C# equivalent for Visual Basic keyword: 'With' ... 'End With'?

In Visual Basic, if you are going to change multiple properties of a single object, there's a With/End With ... what Visual Basic is doing)? See Question&Answers more detail:os...

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

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832 views

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vb.net - The power operator in Java?

When I run the following Visual Basic code : Dim b As Double b = (2 ^ 16 - 1) * Math.Sqrt(Math.Sqrt ... Basic yields result I'm looking for. See Question&Answers more detail:os...

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

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865 views

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vb.net - Create a "clone" of this object, not point to it

Let's say I got a list called myFirstList And then I want to create a copy of that list so I can do some ... = Nothing and I'm good, right? See Question&Answers more detail:os...

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

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932 views

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vb.net - How to add image from database to PictureBox?

I am using this to get image bytes from the database cmd.CommandText = "select imagedate from projectimages ... con) cmd.ExecuteNonQuery() See Question&Answers more detail:os...

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

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797 views

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vb.net - Oracle procedure is not returning results when executing from script task on SSIS

I'm executing Oracle procedure, which has three OUTPUT parameters and returns results in table type variable. ... ostat_msg_x OUT Tmsg_500); See Question&Answers more detail:os...

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

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883 views

1 answer

vb.net - How to send "{" or "}" signs through send keys method in vb 2010

I want to send { and } signs to the Active window in Visual Basic 2010.But the problem is when we send a ... nothing happen.Anyone help 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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818 views

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vb.net - .NET: ArrayList vs List

What is the difference between ArrayList and List in VB.NET See Question&Answers more detail:os...

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

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894 views

1 answer

vb.net - Spaces in C# Enums

Is there any way to put spaces in a C# enum constant? I've read that you can do it in VB by doing this: ... there any way to do this in C#? See Question&Answers more detail:os...

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

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884 views

1 answer

vb.net - Why can't I project ToString() in VB?

If you try to compile the query below in Visual Basic .NET, it fails. From x In {1, 2} Select x.ToString ... , and what alternatives can I use? 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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vb.net - Why do some applications not accept some sendkeys at some times

This is an issue I've ran into before, but I've always given up solving the problem and worked out a ... simply explain this behaviour 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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824 views

1 answer

vb.net - Generics and Com Visible .NET libraries

I've developed a VB.NET library (partially developed on C# as well) that heavily depends on inheriting from an ... of classes. Many 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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832 views

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vb.net - "Conversion from string "" to type 'Double' is not valid." In VB

When I try to run the program to calculate payment and total intrest I get "Conversion from string "" to type ' ... ) End If End Sub End Class See Question&Answers more detail:os...

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

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882 views

1 answer

vb.net - How to run a Command Prompt command with Visual Basic code?

I'm trying to code something in Visual Basic, more specifically Visual Studio 2010. I want, with a button click ... a command. Is that possible? See Question&Answers more detail:os...

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

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889 views

1 answer

vb.net - Connecting to an Access database that has a database password

I've password protected an mdb file but then I cannot access it on vb.net. I don't know the correct code ... Data Source=F:search.mdb;pwd=nit" See Question&Answers more detail:os...

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

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845 views

1 answer

vb.net - Using a .txt file Resource in VB

Right now i have a line of code, in vb, that calls a text file, like this: Dim fileReader As String ... line of code? 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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