Recent questions tagged vb.net

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I have a tic tac toe program and I've got everything working that way it should be. But, the one final problem I am having with this coding is that I ... Me.Close() End If End If Next 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 - Casting an Integer to a Single, preserving bit representation

Is there a fast way in VB.NET to take a 32-bit int and cast to a 32-bit float while preserving the underlying bit structure? BitConverter will ... like to cast it directly without involving byte arrays. 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 refer to a windows form control by name (C# / VB)

Suppose I have a label control on a windows form called "UserName". How can I refer to that label programmatically using the label name? ... like: ActivePage.RecordCounter.Text = GetNumberOfRows() See Question&Answers more detail:os...

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

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688 views

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vb.net - How can I embed font in Visual Basic .Net application?

How can I embed font in Visual Basic .Net application? which should valid at every operating system. See Question&Answers more detail:os...

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

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780 views

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vb.net - C# equivalent of VB DLL function declaration (InternetSetOption)?

What is the C# equivalent of this VB code? Private Declare Auto Function InternetSetOption Lib "wininet.dll" (ByVal hInternet As IntPtr, ByVal ... IntPtr, ByVal lpdwBufferLength As Integer) As Boolean See Question&Answers more detail:os...

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

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642 views

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vb.net - ASP.NET - Accessing web page twice from client

What happens if one user tries to access an ASP.NET page twice before the first page is returned to the client? Have a look at the code below: ... in an asp.net application that does not use threading. See Question&Answers more detail:os...

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

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828 views

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vb.net - How to save BitmapImage / WriteableBitmap using SaveFileDialog in Silverlight 3.0?

How can a WriteableBitmap from Silverlight be Saved onto the File System, I am unsure what to do with the FileStream to make this work, it can be in ... And &HFF) FileStream.Write(Bytes, 0, 4) Next 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 - Random numbers in array without any duplicates

I'm trying to randomize an array from numbers 0 to 51 using loops but I just cannot seem to pull it off. My idea was that Generate a Random Number ... To 51 Step 1 ListBox1.Items.Add(templist(n)) Next See Question&Answers more detail:os...

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

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606 views

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vb.net - Better way to deserialize Minecraft json

I am trying to work with Minecraft json from (1.8.json download). A Sample: { "objects": { "realms/lang/de_DE.lang": { "hash": " ... can't be used for any other version of Minecraft. See Question&Answers more detail:os...

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

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749 views

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vb.net - Strange TrimEnd behaviour with char

I am using TrimEnd to remove certain characters from the end of a string. Initially I thought this would work: Dim strNew As String = "EmployeesSickness ... and also works, but what is happening above? See Question&Answers more detail:os...

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

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591 views

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vb.net - Visual Basic + PHP Server

I need a PHP Server to interact with my wireless sensors. But I also need that server to be controlled by a Visual Basic Application. Some ... what particular methods might provide the easiest solution? See Question&Answers more detail:os...

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

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723 views

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vb.net - How do I change the Window Title after starting something with Process.Start?

How do I change the Window Title after starting something with Process.Start? Dim myProc as Process myProc = myProc.Start("NotePad.exe") Unfortunately myProc. ... read only. So how can it be done? See Question&Answers more detail:os...

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

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694 views

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vb.net - Update Text Box Properly when Cross-threading in Visual Basic (VS 2012 V11)

Here is my question in short: How do I use the BackGroundWorker (or InvokeRequired method) to make thread-safe calls to append text to a text box? Here is ... text of a text box in a thread-safe manner.) 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 - Programmatically set Custom Paper Size for Crystal Report

I have created custom paper Size "SUPP 15 x 14" in Setting - Printers - File - Server Properties. Now I'm trying to set custom Paper Size for ... preview? Is there a better way to accomplish my goal? See Question&Answers more detail:os...

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

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575 views

1 answer

vb.net - Separating redundant code from pdf generator function

This is a vb.net app that uses the itextsharp library. What I am running in to is the following code is becoming awfully redundant which in my opinion is ... on making this in to an function of its own? See Question&Answers more detail:os...

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

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738 views

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vb.net - WinForms COM Exception opening Excel workbook

I'm writing a very basic WinForms app using VB.Net, everything is going smoothly until I try and open an Excel file that I've written to the ... method but I feel this is blindly ignoring the issue. See Question&Answers more detail:os...

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

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668 views

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vb.net - Cross-thread operation not valid

I was doing the following to try out threadings but get the 'Cross-Threading' error in the line txtBox.Text = DataGridView2.Rows.Item(iloop).Cells(3).Value, ... on." End If End If Next Next 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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615 views

1 answer

vb.net - How to rotate an Image preserving its original size?

I have been attempting to rotate an Image and I have had some trouble with it. The first block of code was working, but it was causing an undesirable side ... 0)) img = Nothing b.Save(strFilename) 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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781 views

1 answer

vb.net - VB: How to bind a DataTable to a DataGridView?

I know this is a basic question that has already been answered thousand times, but I can't make it work. I am working in Visual Studio 2010 and have ... I don't understand how to fill the DataGridView... See Question&Answers more detail:os...

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

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672 views

1 answer

vb.net - Change the width of a scrollbar

Is it possible to change the width of a scroll bar on a form. This app is for a touch screen and it is a bit too narrow. See Question&Answers more detail:os...

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

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562 views

1 answer

vb.net - How can I get the characters between 2 other characters?

I have a string which at some point contains the set of characters in the following format [123]. What I would like to do is get the characters between [] ... length. How would I go about this 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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650 views

1 answer

vb.net - Option Strict On disallows late binding

Can someone help me fix this error? Option Strict On disallows late binding Here's the code that's causing the error: Dim SF6StdData As BindingSource = New ... want to do that. Is there some other way? See Question&Answers more detail:os...

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

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702 views

1 answer

vb.net - Animate Images in DataGridView

I wrote the helper class below in order to animate images in a DataGridView, which is not working (images aren't animated). Before that, I found some sample ... ) End If End If 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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731 views

1 answer

vb.net - need to get value from sql query

Through ADO,I like to do the following query: select name, address, zip from terr where id = '33334' I like then to assign name, addess, zip to variables ... my program. How do I do this with VB.NET ADO? See Question&Answers more detail:os...

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

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579 views

1 answer

vb.net - How to make a "system modal dialog" in C#?

How do I make my form a "system modal dialog" as in Windows XP? "Turn off dialog" so no operation can be made in Windows except in my form 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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623 views

1 answer

vb.net - How do I get first, second or last Tuesday (or any day of the week) of a given month

I was looking for a function in VB.net that returns the date of the specified weekday of a given week in a month. Something similar to Outlook appointments. ... created my own and would like to share 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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786 views

1 answer

vb.net - Run child process non-elevated from an elevated/As Admin process

My application has a built-in self update system via another app called "updater.exe" which is in the same folder with the main application to update ... Registry to store user preferences? Thanks by 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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804 views

1 answer

vb.net - Could not find installable ISAM

I'm using vb.net 2003 and I want to read excel file 2003 using OleDb Connection. But I have a problem when I'm putting the IMEX=1 ... ) in D:LegacyDevelopmentPTS 2 VSG-NATFormsfrmPMEFNATUpload.vb:line 434 See Question&Answers more detail:os...

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

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