.net - Drawing A Node Graph In Visual Basic?

Sep 2, 2009

The problem is I have 10 nodes(say) and there are some connections between them. Now I want to draw a visual graph depicting the above with circles as nodes and lines as connections between them. My problem is what is the algorithm for placement of nodes on screen, say we have drawn one circle, then the other circle should be drawn as non-overlapping as possible.


Check All Items Under A Parent Node In Visual Basic?

Jun 25, 2010

I am trying to check all the childnodes under a parent node, the code I have so far only goes about 2-3 levels deep in the TreeView and I am looking to grab all nodes no matter how deep they are.

Below is the code:

Private Sub CheckChildNode(ByVal currNode As TreeNode)
'set the children check status to the same as the current node
Dim checkStatus As Boolean = currNode.Checked
For Each node As TreeNode In currNode.Nodes


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Drawing A Graph On A Form Using GDI?

Aug 25, 2009

My graph code works but i'm afraid it may not be efficient. I'm drawing a graph on a form using GDI. Basically, i'm making the entire form one big graph. Is this the best approach to creating a graph:

Private Sub frmGraphPaper_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
Dim g As Graphics = e.Graphics


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VS 2008 Graph Drawing

Sep 30, 2009

my assignment is to draw a graph within my VB form with a some variables I have. I was told by my boss that I should use Microsoft Chart Control 6.0, but I don't think it matters if it is in another software.I currently have a few variables, each with a lot of values, "Frequency", which is user entered from maximum to minimum, CH (channel) 1-4 which are given by a machine output I use at my company. My graph, is supposed to have the Frequency values in the X-Axis (horizontal) and the CH 1-4 values within a range of each other in the Y-Axis. Can anybody help? My code for extracting the data and getting the frequency is below. How I got most of it is thanks to Stanav, the thread is over here: url...It comes with 3 buttons (I have not put in the code for button 3), the 3rd button will be used for plotting the graph when clicked.

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Drawing A Graph On Form Load

Jun 20, 2009

I'm having difficulty drawing a graph using a picturebox and the graphics type. For some reason my graph doesn't load, even if I put thec code at the end of the on load event. But it works fine of I assign it to a button.

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Basics: Drawing Graph With Picturebox - Image

Jan 9, 2011

I am new to vb.net, from VB6. Trying to understand drawing a simple line graph into a picturebox, which was so simple in VB6 ! From code snippets, I can see the basic idea using an bitimage to draw the lines and then showing it in a picturebox. I don't understand how to (simulate) scaling of the bitmap's x/y scales like you could do with VB6's .Scale.

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Display The Latest Symbol When Drawing A Graph?

Apr 19, 2009

if there's a way to just display the latest Symbol when drawing a graph. My app displays "real time" data from a pointPairlist and I want one graph just to be a + mark with no trace.

Dim myCurve As LineItem = m_graphPane.AddCurve("", m_pointsList, Color.Red, SymbolType.Plus)

This will show a red line with a + with every pointpair, I just want to display the latest pointpair, as an +.

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Drawing 2D Color Coded Graph In Vb 2005

Nov 27, 2009

drawing 2D color coded graph in vb 2005

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VS 2008 - Drawing Graph On PictureBox Using Coordinates

Sep 21, 2009

VB 6 has a ScaleHeight and ScaleWidth property which VB 2008 does not support and this is causing me fits to work around. I'm trying to draw some lines (a graph) on a Picture Box (or a Panel) using my own coordinates (not pixels). This can't be all that hard can it?

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VS 2010 Drawing A Curve/graph In Picturebox?

Nov 21, 2009

My problem is centering the 0,0 points of my graph to the center of my picturebox

Dim picBoxWidth As Integer = picGraf.Size.Width
Dim picBoxHeight As Integer = picGraf.Size.Height
Dim halfWidth As Integer = picGraf.Size.Width / 2


So how to I tell it to start at the center of my picturebox names (picgraf) btw.

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Extracting Visual Basic Source Code From Visual Basic EXE?

Jan 24, 2011

How do you extract source code from a VB.NET .EXE file?

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Java - Comparison Between Microsoft Visual Studio 2005, Visual Basic And Netbeans?

Jul 3, 2010

I need to write a paper on the comparison between (Microsoft Visual studio 2005 to develop web applications using asp.net) and (visual basic and Netbeans to develop j2ee applications using java).I need suggestions for good webpages,journals or documents which can help me out here. I have to write at least 1500 words so any suggestions are welcome.

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ProgressBar Disappears When Updated Via Visual Basic (Visual Studio 2008 Standard)?

Jan 17, 2011

In a while loop, I am writing a progressively increasing integer value (between 0 and 100) to the Value attribute of a ProgressBar control, when it disappears from the window in which it resides.  I have verified at the time that it disappears that the Min is 0, Max is 100, and Value is a valid integer in range. 

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.net - Which Version Of Visual Studio 2010 Contains Visual Basic SharePoint Templates

Aug 5, 2011

Does anybody know which version of Visual Studio 2010 contains the full set of Visual Basic SharePoint Templates? I am about to embark on a project to create Visual Web Parts to be used in a SharePoint report.

At the moment I am using Visual Studio 2008 and even though the WSPBuilder is installed none of the relevant SharePoint templates are present.Having searched SO and the web, most advise to install the templates via the Visual Studio command prompt: devenv /installvstemplates

Alas the Visual Studio command prompt is also missing from my VS2008 installation.So, the question remains: which version of VS2010 contains what I need for pain-free SharePoint development? There is a rather large price different between VS2010 Professional and VS2010 Premium, so can anyone tell me if the cheaper version (VS2010 Professional) contains all the Sharepoint templates?

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Disabling The Visual Basic Background Compiler In Visual Studio 2008

Mar 20, 2009

How do I disable the background compiler for Visual Basic in Visual Studio 2008?

For my sins, I have to work on a large VB.NET project and it often locks up for 20 seconds at a time whilst doing the very helpful background compilation

I'd rather work blind between compiles and be able to do some work.

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IDE :: Adding References In Visual Studio 2010 Beta 2 (Visual Basic)?

Nov 25, 2009

I am just wondering how I can add Direct X references to Visual Basic in Visual Studio 2010 Beta 2. I cant find them in the .NET reference list, or the reference list, or anywhere. I downloaded the Direct X SDK for August 2009, but I can not add the .dll files to the reference list. Is there anything I can do to add them? I need the references for programming reasons.

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Make A Console Program In Visual Basic On Visual Studio 2008?

Jan 22, 2010

I am trying to make a console program in Visual Basic on Visual Studio 2008. I want to ask the user of the program if he wants the premium version or the standard version. If he chooses the premium version, then I want it to say premium in his "receipt" later on and if he chooses standard, then standard in the receipt.


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Send An Application To The System Tray With Visual Basic In Visual Studio 2008 Professional?

Sep 26, 2009

I have Visual Studio 2008 Professional and I'm trying to make it so I can click a button to send the application to the System Tray and then click the icon in the System Tray to make the application come back.

Can anyone provide me a method or sample code to do this?

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Visual Basic Using Visual Studios Data Grid View Selected Index Changed Updating?

Jan 25, 2010

when the user clicks on the add button another form launches, which enables the user to add student info such as name, address, course, start date and end date, this information is then written to class when the ok button on that form is clicked, and then displays the data on the initial form in data grid. the user can add multiple entries and they are all displayed on the intial form and a the data grid is populatedwhen any of the rows in the displayed grid is selected, and the update button is clicked then the same form launches as the previous one and but this time its in the update mode and pre populates the form with the inital values.

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Can't See Visual Basic Project Option In Visual Studio 2008

Jan 13, 2012

I am very new to Visual Studio Application Development. I'm mostly a DB guy. I used Visual Studio as a Report Designer, not much of an .Net guy though I can understand it. I am now asked to create a .net application and I'm trying to create a "Hello World" starter app. I opened my Visual Studio, click File-New Project and all I see is Business Intelligence Projects and Other Project Types. My step-by-step guide says choose Visual Basic, Windows Forms Application. But I can't see it as an option.

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IDE :: Visual Basic - Download It Or Find It Somewhere In My Visual Studio Program?

Jan 31, 2010

I have visual studio 2008 installed and was using C#. I am now trying to find Visual Basic. I can't find it. Is there a way to download it or should it be somewhere in my visual studio program? I don't want to use vbexpress, just regular VB 2008.

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MS Visual Studio 2008 Standard Edition, Visual Basic?

May 22, 2012

I recently loaded my copy of MS Visual Studio 2008 Standard Edition, with Visual Basic, on to my new laptop, one with a Windows 7 operating system. This version of Visual Studio had been on my other laptop, a Windows Vista machine. When I attempt to run any of my Visual Basic applications which has a MSFlexGrid container on it, I get this error message "Unhandled exception has occurred in your application... The error is: Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG). Also,

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No Visual Basic Project Types In Visual Studio 2005?

Dec 9, 2009

I am using: (copied from the/about vb studio window:

Microsoft Visual Studio 2005
Version 8.0.50727.762 (SP.050727-7600)
Microsoft .NET Framework


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Use OpenGL In Visual Studio 2010 In Visual Basic Project?

Jan 15, 2012

I want to use "OpenGL" in my project. Is it possible to associate it with "Visual Basic" application developed in Visual Studio 2010? If yes then how can we do it.

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Visual Studio 2008 (visual Basic) Error Id Bc32400

Dec 19, 2009

whilst trying to debug a sample program, get error code bc 32400. Also error code Class 'CLSID_CorSymWriter' could not be created system error &H80040154&

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Add 3D Space In Visual Studio 2008 Using Visual Basic?

Aug 22, 2011

I have been working on a game development program for a few days now. And have come to a halt on one part, and thats adding a 3D space in the program. I do not know the code for this, would some one please provide something i could use for adding 3D space in my project? for example, i have a panel set up to be the view port in to the 3D space. Now i need to figure out how to program it so you can see a 3D space, click on the mouse and drag and the grid will follow the mouse.Likecreate a grid, i wish to give it a grid of 150 x 150 grid pixles.

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Asp.net - Force Visual Studio 2010 To Use Visual Basic 10?

Mar 9, 2012

To reproduce the error I'm getting:Create a new Visual Studio 2010 ASP.NET web site in Visual Basic, targeting .NET 2.0Type "Public Property Test As String" Observe "Visual Basic 9.0 does not support auto-implemented properties." error Visual Studio 2010 is happy to use VB 10 against .NET 2.0-targeted Windows Forms applications, this only appears to be an issue with ASP.NET.Is there a way to force Visual Studio 2010 to use VB 10 when targeting .NET 2.0?

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Build 64-bit Visual Basic.NET In Visual Studio 2010?

Jul 6, 2010

have just overlooked something somewhere...I am writing VB.NET stuff in VS2010 on Windows 7 64-bit. It seems to build by default for a 32-bit target, how to I tell it to make a 64-bit executable?

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How To Fill A Word Document Using Visual Basic / Visual C#

May 24, 2011

I'm looking for options to fill a Word Document from either Visual Basic, or Visual C#. I'm currently using merge fields, and the code below to fill specific fields in a Word Document, but now I've run into a situation where I need tabular data pushed to MS Word. Is there anyway to take data from a grid view (number of rows is dynamic), and import it into a Word Document Table using a merge field or something of that sort? I have to maintain the format of my template doc, and would like to be able to control the layout of the page


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Visual Basic Dot.net That Runs On Visual Studio 2005

Jul 10, 2009

Visual basic dot.net that runs on visual studio 2005, thats what i have, is it the same as vb2005?  If you're not living on the edge, you're taking up too much room

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Drawing A Gradient In Visual C++ 2008?

Feb 9, 2010

I'm trying to draw a simple rectangular gradient but I keep getting this one error. Here is the code below: Drawing::Rectangle^ myRectangle =

gcnew Drawing::Rectangle(10, 10, 100, 100);
Drawing2D::LinearGradientBrush^ myGradient =
gcnew Drawing2D::LinearGradientBrush(myRectangle ,Color::Red, Color::Blue, 50);
e->Graphics->FillRectangle(myGradient, 20, 30, 100, 100);

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VS 2008 Drawing In Visual Studio?

Jun 29, 2009

This may be a stupid question, but is it possible to add things like lines to a form easily? Without creating the line manually using System.Drawing?

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Create Autocad Drawing Through Visual Studio?

Jul 7, 2010

I am trying to create an autocad drawing in visual studio with the code :

Dim strTemplatePath As String = "C:\acad.dwt"
Dim acDocMgr As DocumentCollection = Application.DocumentManager
Dim acDoc As Document = acDocMgr.Add(strTemplatePath)
acDocMgr.MdiActiveDocument = acDoc

However, when I try to run the program I get an filenotfoundexception and the program asks me to verify if the file exists in the specified location. The file does exist in the specified location.

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Drawing Tools In Visual Studio 2010?

Jul 18, 2012

I am unable to find line , oval ,rectangle etc Drawing tools in Visual Studio 2010 I am also unable to find VisualBasic.PowerPack

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IDE :: Visual Studio 2010, Target .net 3.5, Dll Fails On Load - System.Drawing, Version=4.0 ?

Aug 30, 2011

I have an desktop application that references several dlls.  All are targeted for .Net 3.5, x86.  The applicaiton has been deployed for several years and was upgraded from visual studion 2008 to 2010 last year.  I have made several changes to the app since then (as recently as last Thursday) with out any issues.  Now, everything builds, but when I run the application, I get a type initialiazer error when one of the projects is loaded by the main application. 

The error messsage is {"Could not load file or assembly 'System.Drawing, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified.":"System.Drawing, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"}. 

There were no changes to this project since the last successfuly deployment last week, but today I am getting this error.

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Winforms - Load System.Drawing V4.0.0.0 On A Windows Form In Visual Studio 2010?

Mar 4, 2012

I've decided to learn Visual Basic .Net as this is what some of my colleagues work with, and this will allow me to work with them on projects.I have purchased Microsoft Visual Basic 2010 Step by Step and downloaded the sample files. When I am trying to debug the first sample application (a Windows form), it is telling me that it can't load System.Drawing V4.0.0.0. However, if I create a new Windows Form application (C# or VB.Net) this works fine.

I had a look at the References tab in the project settings and System.Windows.Forms is referenced, but the version referenced is I have removed and re-added this reference and it stays at and I still get the error.Does anybody have any ideas as to what may be going on?

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Create The Basic Functionality Of A Text Box Like Drawing The Text Box And Handling Input?

Feb 19, 2011

I'm making a custom control that needs to look like a Text Box but I can't Inherit Directly from text box since I need to add, Change and Override so many things that it would be more practical to just inherit Control and start new.

But now my question is: Is there an easy way to create the basic functionality of a Text Box like drawing the Text Box and handling input ?

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.net - Lua In Visual Basic.net?

Sep 17, 2010

I'm trying to just get a VB.net app to be able to execute a lua script in a external file, and be able to add some functions to lua too, To do this I have this code:

Imports LuaInterface
Public Class Form1
Public luascripting As New Lua()
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
luascripting.RegisterFunction("DisplayText", Me, Me.GetType().GetMethod("DisplayText"))
End Sub
End Class

But it errors on the register function, saying "Object reference not set to an instance of an object." Do you know of a example VB.net project that uses lua? Or know how to fix this?

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Visual Basic For Ms-dos?

Dec 16, 2009

i want to know any program that's compiling the basic language to ms-dos commands such as : Qbasic

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Convert Visual Basic 2010 To Visual Studio Pro 2010?

Apr 20, 2012

I have a project in visual basic 2010 and want to convert it to visual studio 2010 so I don't have to chose the "open with" every time. Is there a tutorial on how to do this?

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