Recent questions tagged VB.NET

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vb.net - Need shared property accross instances of my COM server

I have a VB.NET COM class with a Shared property, like ABC. The problem is the component is used by several ... cross EXE shared property ? Tx. 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 - Change space between Image and Text in ContextMenuStrip

In my application, I have a ContextMenuStrip with two items. Each item has an image and a text. There's a ... possible? If yes how can I? 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 filter textbox input to numeric only?

How do I suppress all data except numeric? This is not working on KeyDown(): If e.KeyData < Keys.D0 Or e. ... Then e.Handled = True End If 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 split a string by using more than one delimiter

Below a script I used in my SSIS package. If (Row.AnswerType.Trim().ToUpper = "MULTIPLE SELECT" And _ ... and non tab characters as delimiters. 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 - Update UI form from worker thread

I am new to multi-threading in VB.NET and have come across a problem whereby I am wanting to append text ... Thanks for your assistance. Matt 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 - 'ByRef' parameter '<parametername>' cannot be used in a lambda expression

I'm using SharpZipLib to compress files. The library is wrapped in a plugin interface, in a separate DLL. I ... End Using End Using 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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vb.net - AddHandler/RemoveHandler Not Disposing Correctly

Using the AddHandler method, if I never use RemoveHandler, will that lead to memory leaks in some conditions and ... VB as opposed to 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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vb.net - Find and replace text in a txt document using Visual Basic

Hi Im using Visual Basic 2008 Express Edition, my goal is to read an entire .txt file that works as a ... Can someone give me some tips? 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 - Conversion from type 'DBNull' to type 'Date' is not valid

I am getting this exception from the following VB.NET code for only certain months: System.InvalidCastException: ... System.DBNull.Value Then 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 - Reflection on structure differs from class - but only in code

Code snippet: Dim target As Object ' target gets properly set to something of the desired type Dim field ... SimpleStructure).MemberOne) 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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vb.net - Odd ComboBox behavior on resize

I have an issue where a ComboBox control will change it's Text value when it is resized. Here is ... Any suggested workarounds? Thanks! Stephen 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 create a new thread AddressOf a function with parameters in VB?

When option strict is OFF, works fine. ON, I get overload resolution failure: Dim _thread1 As Thread Private ... only answering this 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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vb.net - Create a new instance of a type given as parameter

I've searched for an answer and found some c#-examples, but could not get this running in vb.net: I thought ... ? (dim) 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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vb.net - WithEvents/Handles better than Remove/AddHandler?

From a memory point of view (remove an added handler after utilization, etc.), is WithEvents and Handles ... Event handler and memory leaks. 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 do I put a WebResponse into a memory stream?

What is the best way to get a file (in this case, a .PDF, but any file will do) from a WebResponse and put ... type of stream, what do you do? 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 - What should I use the "My" namespace for in VB .NET?

I'm considering building a framework for VB.NET, and using the My namespace to plug it into VB seems like a ... What is "My" used 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 - Using left double quotation marks in strings in VB

In following code, the usage of the string " " (i.e. a left double quotation mark inside a string) results in a ... ;") What's going on here? 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 do I use Try, Catch, and Finally

My assignment is to write a program that asks the user for 10 numbers which it will then find the average of, ... .ReadKey() End Sub End Module 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 pass value from Form1 to Form2

I'm making a program that generates SQL Server code to use it in my VB.NET program. I have this ... connection and Form2 to make operation. See Question&Answers more detail:os...

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

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962 views

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vb.net - I am having trouble making a loop for a Caesar cipher

For a course-work task at school, I have to code a simple Caesar cipher where the user can choose their own shift ... = -4 Else If 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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955 views

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vb.net - Access several controls with a for in visual basic

I Got this form with several Labels inside a GroupBox, all with the same name plus a number (similar to ... but my efforts were unsuccessful. 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 dynamically select my Table at runtime with Dynamic LINQ

I'm developing an application to allow engineers to conduct simple single table/view queries against our databases by ... for the help. BBL 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 do I programmatically repeat a key while it is held?

I'm trying to automatically repeat LButton while it's held down, then stop when it's released, I've ran into ... it's pressed down, then stops. 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 trap keypress event in MSword using VSTO?

I am new to VSTO VB.Net programming. and I am developing a word application level Addin and want to trap keypress ... 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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vb.net - Unable to connect to any of the specified MySQL hosts when checking connection

I am trying to connect to Mysql database through vb.net However I run into the error: Unable to connect to any of ... 0.0.1:3306 with user root 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 - Contain a VB6 form in a .Net MDI

I'm porting an old VB6 app into .Net but one Vb6 form is too big to migrate in this release. I Shell the ... Forms Toolkit 2.1 or even an API See Question&Answers more detail:os...

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

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2.4k views

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vb.net - WCF client binding to sign the body of a request to a Java web service?

I need to send a message from a WCF client to a Java Web Service that requires the body to be signed. There ... </env:Body> </env:Envelope> See Question&Answers more detail:os...

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

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1.2k views

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vb.net - How to get Output of a Command Prompt Window line by line in Visual Basic?

I am trying to get a command line output line by line till the end of the output but I am not able ... responding when this code is executed. See Question&Answers more detail:os...

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

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