Recent questions tagged vb.net

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vb.net - When clicking "btnLogin", my forms decrease in size.

On my login form, whenever clicking "btnLogin" it seems that "frmLogin" and also "frmMenu" decrease in width, and ... .Show() End Sub End Class See Question&Answers more detail:os...

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

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764 views

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vb.net - Date instead of DateTime?

From what I can tell Date and DateTime have the same functionality. Is there a reason why I would want to use one instead of the other? See Question&Answers more detail:os...

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

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747 views

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vb.net - How to detect insertion and removal of other USB Peripherals?

Why is it that this VB.NET code only works for detecting flash disks? Select Case m.WParam Case ... such as mouse and keyboard? See Question&Answers more detail:os...

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

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823 views

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vb.net - For each textbox loop

I'm trying to make a foreach loop that checks every TextBox in a panel and changes BackColor if its Text ... type System.windows.forms.textbox See Question&Answers more detail:os...

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

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880 views

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vb.net - .NET End vs Form.Close() vs Application.Exit Cleaner way to close one's app

sometimes, when I use Form.close() when debugging my program, although the form is closed, the application is still ... am using VB.NET. 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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787 views

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vb.net - singleton pattern in vb

I am normally a c# programmer but am now working in VB for this one project when I use to set up a ... user can not recursively call Instance? See Question&Answers more detail:os...

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

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886 views

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vb.net - Return FileName Only when using OpenFileDialog

I am using the following method to browse for a file: OpenFileDialog.ShowDialog() PictureNameTextEdit.Text = ... of C:SomeDirectoryFoo.txt See Question&Answers more detail:os...

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

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708 views

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vb.net - Is it possible to do a For...Each Loop Backwards?

I don't believe this is possible by conventional methods, but something like this verbose code: For Each s As ... For..Each Loop, correct? See Question&Answers more detail:os...

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

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744 views

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vb.net - How to escape double quotes in as a parameter to an NUnit TestCase?

I tried writing the following TestCase for an NUnit test written in VB.net: <TestCase("FirstNode", "<node id=" ... a parameter to an NUnit 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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785 views

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vb.net - Nothing = String.Empty (Why are these equal?)

Why does the first if statement evaluate to true? I know if I use "is" instead of "=" then it won't evaluate ... If Nothing = "Foo" Then End If See Question&Answers more detail:os...

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

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756 views

1 answer

vb.net - How do I determine which process is using a serial port?

The company I work for makes hardware that communicates to the computer though a serial port. Third party ... agnostic answer as well. See Question&Answers more detail:os...

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

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711 views

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vb.net - VBA error 1004 - select method of range class failed

First time poster, so if there is any formatting, or guidelines I failed to adhere to, please let me know so ... that solid on what variant is. See Question&Answers more detail:os...

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

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592 views

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vb.net - How to move form without form border (visual studio)

I am making a windows form application in visual studio 2013 Express. In order to make the application look more ... way of doing it? 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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722 views

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vb.net - Strong Signed Assemblies

I have a project I made in Visual Basic 2008 Express. I converted it from someone else's C# project, but ... functionality in my main project. See Question&Answers more detail:os...

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

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650 views

1 answer

vb.net - What is allowed in Visual Basic that's prohibited in C# (or vice versa)?

This is code-related as in what the compiler will allow you to do in one language, but not allow you to do ... answer, if possible. Thank you! See Question&Answers more detail:os...

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

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691 views

1 answer

vb.net - Overriding GetHashCode in VB without checked/unchecked keyword support?

So I'm trying to figure out how to correctly override GetHashCode() in VB for a large number of custom objects. A ... but I haven't tested 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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796 views

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vb.net - MessageBox with YesNoCancel - No & Cancel triggers same event

I have a message box with the YesNoCancel buttons... Pressing Yes will do some action and close the application - ... event. What's the problem? See Question&Answers more detail:os...

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

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684 views

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vb.net - VB to C# Functions

Which are the equivalent of the following operators from VB.Net to C#? UBound() LBound() IsNothing() Chr() Len() ... () Join() MsgBox() IIF() See Question&Answers more detail:os...

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

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608 views

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vb.net - how to write to/read from a "settings" text file

I'm working on a Timer program, that allows the user to set up a timer for each individual user account on the ... t exists.") End If 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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518 views

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vb.net - OleDbCommandBuilder creates SQL statements that result in "syntax error"

Can someone please explain why, when I click the "Commit" button, I get the error Syntax error in ... TA_OfficersDataSet) End Sub End Class See Question&Answers more detail:os...

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

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847 views

1 answer

vb.net - Pass DataTable to ReportViewer

I am trying to pass a datatable to a reportviewer which I fill by code, is there a way to do that? ... fine with the table "Tablefillbycode" See Question&Answers more detail:os...

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

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581 views

1 answer

vb.net - How to pass a form, object or data to a second form

I have created 2 forms. The first one is the button that you want to back up. In the second there are ... My.Settings.pathmem End Sub End Class See Question&Answers more detail:os...

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

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928 views

1 answer

vb.net - Windows Forms: Unable to Click to Focus a MaskedTextBox in a Non TopLevel Form

Like the title says, I've got a Child form being shown with it's TopLevel property set to False ... .BringToFront() newReportForm.Show() See Question&Answers more detail:os...

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

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783 views

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vb.net - Unable to call WMP's controls.play() function in VisualBasic

I have the following code: http://pastebin.com/EgjbzqA2 which is basically just a stripped down version of http: ... () End Select 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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880 views

1 answer

vb.net - How do I find out which control has focus in .NET Windows Forms?

How do I find out which control has focus in Windows Forms? See Question&Answers more detail:os...

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

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643 views

1 answer

vb.net - Any way for a combo box with 2 values per line?

I'm looking for an option with which I can use the functionality of a combobox together with a listview. The ... do in a listview element? See Question&Answers more detail:os...

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

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707 views

1 answer

vb.net - How to perform .Onkey Event in an Excel Add-In created with Visual Studio 2010?

I am creating an Excel Add-In using Visual Studio 2010. I would like to run some code when users clicks a ... help me to resolve this issue. See Question&Answers more detail:os...

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

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692 views

1 answer

vb.net - How to access the object itself in With ... End With

Some code to illustrate my question: With Test.AnObject .Something = 1337 .AnotherThing = "Hello" ''// why can' ... the object in With? End With See Question&Answers more detail:os...

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

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