Getting VB To Control Objects Outside Of Computer
Nov 9, 2009
I am told that the code does not seem to contain any reference to a template file for controlling the device. This information might be in the array StatoCubo, and perhaps the text file is used to populate that array, but there is no code here to do that.
I am using VB 2008 Express edition. I did not write the code below but i was told that it works but it dont. I am building an 8 x 8 x 8 led cube and have most of the code i need to make it work but i can not figure out how to make VB callup(?) a .txt (template)file to control the cube designs. Below is the code so far (some of it is in Italian i think) and the file name i want to use is; RainbowExplosion_8x8x8_bw_bit01 VER1.txt
Public Declare Sub Out Lib "inpout32.dll" Alias "Out32" (ByVal PortAddress
As Integer, ByVal Value As Integer)\par
'--------------------------COSTANT FOR LPT1
ADDRESS--------------------------------\par
Public Const IndirizzoData As String = "&H378" 'DATA REGISTER: 8 bit\par
[CODE]......................
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Jun 22, 2010
I am new here and even newer to VB so if this is the wrong place to post this or i use the wrong terms i apologize, it is not my intention to offend or insult. I am told that the code does not seem to contain any reference to a template file forcontrolling the device.This information might be in the array StatoCubo,and perhaps the text file is used to populate that array, but there is nocode here to do that.I am using VB 2008 Express edition. I did not write the code below but i was told that it works but it dont.I am building an 8 x 8 x 8 led cube and have most of the code i need to make it work but i can not figure out how to make VB callup(?) a .txt (template)file to control the cube designs. Below is the code so far (some of it is in Italian i think) and the file name i want to use is;
RainbowExplosion_8x8x8_bw_bit01 VER1.txt
Public Declare Sub Out Lib "inpout32.dll" Alias "Out32" (ByVal PortAddress
As Integer, ByVal Value As Integer)\par
[code].....
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Jul 28, 2011
I apologize if this is the wrong forum. I'm searching for all computer objects in an OU in Active Directory. I'm able to get the computer name, DN, and description but cannot get the memberOf properties. I'm wanting to get all groups the computer is a member of. My code is below:
[Code]...
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Jul 11, 2008
I am in the process of designing a computer control program to control a HF communications receiver (radio), and have found a problem with the Serial port. I am using VB Express Edition 2008. This module of the program is supposed to take an input string from another part of the program, format it, break it into 4 bytes, and send it to the radio in hex form via COM port 1. The problem comes in when you try to enter a frequency with an 8 or a 9 in it. The 8 or 9 is usually replaced by 45, ex.-input 9900, receiver tune 4545. The exact same thing happens with 8's, input 8800 and receiver tune 4545. All other numbers other than 8 or 9 work fine. The strange part of it is that sometimes the 8's and 9's work, and work correctly. For instance, 900, 1900, 2900, 3900, 4900, 5900, 6900, and 7900 all work correctly. This led me to believe that is may only be when the 8 or 9 is in the first position, but that is not the case, it also shows up in other positions as well. All other frequencies that do not have 8 or 9 in them also work. I ran into this same problem with VB Express 2005, and worked on it for weeks before giving up and going back to VB6.0. This same module (with exception of the port open command) runs flawlessly under VB6. I have even tried importing the MSCOMM control from VB6, but it gives the same results. In de-bugging mode, all of the inputs, decimal and hex seem to be correct, so the problem must come in after you click the command button, but before it leaves the COM port.
[Code]...
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Feb 26, 2011
i want that i control my compute through vb.net. i mean to say that i want that i have a projec on which i have buttons though which i could go to any drive of my computer, or any folder, or can play any song or can open any image or any other file. can i do this?
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Jul 11, 2009
I have the read the article "Creating Control Arrays in Visual Basic .NET" (link: [URL]) and I its very good and useful code for 1D array of objects. What if someone wants to make a 2D array of control objects. For example creating a "table" of 8x8 buttons that will be able to change properties by using the arrays x-y coordinates. Something like button(x,y). backcolor.black or similar.
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Oct 13, 2011
Migrating from VB6, a control array of flexgrid objects. Obviously flexgrid is not supported by VB.NET, so DataGridView objects have to be used instead. I tried this alternative to placing them in a list.
I have two DataGridView objects which share a lot of code as well as event handlers. They are named D1 and D2 and many properties, such as column headeders etc., are set at define time. The control array is simulated by passing the "index" and selected grid as parameters in subroutines. For example, the routine to fill the grids, is as follows.
[Code]...
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Jan 20, 2011
I need to control the main computer volume in vb.net. I have searched the web and tried all the examples I could find. None of the have worked.Does anyone have some snippets of code that work with vb.net 2010 to control volume?
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Feb 17, 2010
I need to have a PC talk to a Mac (apple) over a network (or alternately the internet, SSH, whatever works) in such a way as to open a shell window on the Mac to execute a number of commands to have it talk to a UNIX box and transfer files from a device attached to the Mac to the UNIX box where it can then be accessed later on in an shared area (SAMBA) by the PC.
The Mac has a fixed IP and I can have it configured to open the appropriate ports, but I would like to minimize any potential security issues.
Part of the reason why is the copy time is significantly lower. Copying from the PC to the shared area takes over 90 minutes vs about 10 for the Mac. No doubt this has to do in part to translation and network overhead.
So I need to
1) Connect
2) Open Shell window
3) Execute commands
4) exit Shell window
5) Disconnect.
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Dec 22, 2008
can i in some way change the power that the usb sends to a usb device?i want to connect a computer fan to the usb and control the speed is this posible??
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Dec 11, 2009
My VB.NET application uses Microsoft Flex Grid Control 6.0. This is a legacy application which has been ported from VB6 with the Visual Studio conversion wizard. Although I can compile the assembly, I get a COMException because some class is not registered. I've found out that this class is the Microsoft Flex Grid Control 6.0.
Where can I find the control and how can I register it on machines so that the application will run?
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Jun 25, 2010
vs2010 vb.net WPF project
This is an experiment to learn something.
I have a class called logitem
it has a datetime property, and a message as string property
I have declared myLogEntries as List(of logItem)
I have a ListBox.
Ok now what?
I have searched but i am getting lost in all the examples.
I have set the ItemsSource=myLogEntries
I think i need a datatemplate or maybe to specify binding source.
I am doing all this in the wpf form loaded event.
I guess i need a sample code for binding a list of collection to a listbox.
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Apr 4, 2008
After going through some tutorials I set out to work on my own game. Right now it's simple, I have a ship that moves left, right and shoots. I also have Asteroids that fly at the ship.
The problem is that I have 3 asteroids in an array, and they all act the same... I would like random speeds and directions.
here is what I have in relevant code:[code....]
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Mar 14, 2012
Currently, i am trying to connect the EPP (Encrypted Pin Pad ) device to my computer by using mscomm control. May i know what are the possibility problems may cause the DSRHolding does not return to "True"?
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Jan 29, 2012
I am trying to make a Christmas light animation via computer control. I am using VB.Net and have tried several examples I have found, but I get the same error: port is closed. The code I am using is this:
Imports System.IO.Ports
Public Class Form1
Dim instance As New SerialPort
[Code].....
I have tried several things and I still get the error message that the port is closed.
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Jul 16, 2009
I'm doing some very basic ground work, I know someone who is building a model train set and believe now you can control the track switches etc via computer, does anyone know anything about these? could something be built in VB to do this?
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Oct 16, 2011
I'm trying to bind a WinForms TreeView control to some user-defined objects. In particular, I'd like to bind aTreeNode.Text property to myObject.Name. My strategy is to create xTreeNode, a subclass of TreeNode, add a DataBindings collection, and expose its Text property. This would allow me to write some code like this:
Dim oBinding as Binding
Dim bs as New BindingSource
bs.DataSource = myObj
[code]....
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Jan 19, 2009
I have a VB.NET application and use some third party (closed source) ActiveX controls. One of the controls represents a "camera" (connected over several interfaces) and I try to write an example how to work with several cameras in one application. To do this I allocate multiple "camera" objects dynamically as an array which works as expected like this:
Const NUM_CAMERAS = 2
Private MyCameras(NUM_CAMERAS ) As xxx.MCamera
But the camera objects needs to be allocated with WithEvents because they raise events when a new image was taken. I found out that WithEvents variables cannot be typed as arrays and this is a pretty common problem so I also found some workarounds: [URL]. This is already pretty good and I adopted this to my concept. So I have a MyCameras array and a MyCamera all "without Events", first allocate a new MyCamera object, add a event handler and then put it into the array.
Unfortunately I get an error when calling
AddHandler Camera.ProcessModifiedImage, AddressOf MyHook
Normally "MyHook" is declared as
Private Sub MyHook (ByVal sender As Object, ByVal ModifiedBuffer As xxx.ProcessModifiedImageEvent) Handles Camera.ProcessModifiedImage
Like in the "Button examples" I just removed the "Handles Camera.ProcessModifiedImage" but I get an error that "MyHook" has not the same signature as the Delegate
Delegate Sub ICameraEvents_ProcessModifiedImageEventHandler(ImageIndex as Integer)
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Dec 5, 2011
make objects from the ToolBox using code instead of changing existing objects invisible then visible later?
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Jun 23, 2012
I am getting this error, Not sure why it is happening "Error The SqlParameterCollection only accepts non-null SqlParameter type objects, not Int32 objects."I have tried with all sorts of possibilties, now try to enter default data as dummy data,
Using connection As New SqlConnection
connection.ConnectionString = ConfigurationManager.ConnectionStrings("DentalDeviceConnectionString").ConnectionString
connection.Open()[code].....
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Jan 29, 2011
I have a program like this.
Module Module1
Public Class Mstr
Public Property Prop1 As String
Public Property Prop2 As String[code]....
But it is not working as I expect it to. You can see it from.The DtlsB properties of all three DtlsA objects are having values from last iteration.
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Jan 6, 2011
I want to let the user input objects to a richtextbox 1 object on each line, and somehow use Random.Next to select pseudorandomly a few objects, the number 'few' inputted in a textbox.
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Jan 18, 2012
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Using conn As New SqlConnection("Database=Clinic_Management_System;Data Source=.SQLExpress;Integrated Security=True;AttachDBFilename=|DataDirectory|Clinic Management System.mdf")
Dim cmdRecord As SqlCommand
[code]....
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Feb 7, 2010
I have a user control that inherits the FW ListView and I need to dispose of two objects when the form's disposing of it's objects. Here's what I've concluded already, am I on the right track?
[Code]...
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Mar 19, 2012
i have a task to create a TCP Server (a program that is listening on its network card interfaces for incoming data stream).I have search on the internet and i found that i can use two methods : Socket or TCPListener class.I have created an example for Socket class, but i wondering how could i test it? I need to check that if another computer in the network send some string data to the listener computer , then this message should be displayed.Here is the example from microsoft that i am using for TCP Server using Socket:
Public Shared Sub Main()
' Data buffer for incoming data.
Dim data = nothingc[code]....
But it does not work because of the PORT setting.If in the TCP Server i have "Dim localEndPoint As New IPEndPoint(ipAddress, 0)" the client crashes, but if i change the port from any (0) to 11000 for example,the client works fine.Do you know why?
Later edit2:Maybe i should have started with this question:Which method is recommended for my scope?asynchronous or synchronous method ?
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May 1, 2009
long story short, I have created a ListView type control, using UserControls for the parent control and the ListViewItems. Most the of the control is written and works fine, right up to the point where I tried to replicate the 'Control.SelectedItems(0).Index' property and the 'SelectedIndexChanged' event.
Each child object knows its index value, and could pass this value via the SelectedIndexChanged event (assuming this is how it works in a normal ListView control -- user clicks on an item, and that item fires an event updating the selected index value in the parent object).
How does the child object raise an event in the parent object? I have a feeling this could be done with Delegates, but I'm still learning about their usage.
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Jan 29, 2009
I am developing a computer application designed to monitor the network and CPU statistics on a computer remotely. The monitored computer would have my program installed and the monitoring computer would display, in a form, the information being sent from the remote client.The application does not send any information regarding packets, user names, passwords, etc. It is solely meant for monitoring CPU performance and Network resources remotely.
What would be the best method to send this information over to my host machine?I am programing in Visual Studio 2008 on windows XP. The client machine is also XP. I know this sounds a little shady, but it is required for my little business (http://www.iquorum.net) to monitor what and when something happens on our machines when I and my employees are away.
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Jul 11, 2009
I am trying to dial a computer from another computer using Modem for sending files and messge.Follwoing is the code done in dialing computer
Text1.Text = "Test string from App1 "
Number$ = InputBox$("Enter phone number:", "Number$")
If Number$ = "" Then Exit Sub
Temp$ = Status
[code].....
But after the dial tone, i am getting the exception "CTL_E_GETNOTSUPPORTED " at the line MSComm1.Output = Text1.Text?
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Feb 4, 2011
i have encountered a problem, i want to access the data coming to the computer from the in-built bluetooth module of a computer on windows platform, this data has been sent by a remote bluetooth module say a by an autonomous device (just like a bluetooth mouse connecting to the computer). The to be sent is in the form of numbers and i need these to manipulate on the computer.
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Jun 12, 2010
I have a desktop computer with a cable connection on the back that allows me to watch TV on the computer using Windows Media Center. I had the idea of writing a program that would access this feed and send it to another computer (laptop) via my network. That way I would be able to watch TV from anywhere that my network spans. I have no idea if this is possible or how I would even do it,
So I have three questions.
1: Is it possible?
2: How would I go about access the feed?
3: How would I send it over the network?
My original thought was doing it in Flash, but I'm not very good at Flash so I wanted to do it in VB.Net.
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