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Access To The Port Is Denied C#


BTW, I didn't mention the one solution that does work. Go to Solution 3 3 Participants cmdolcet(3 comments) it_saige LVL 33 Visual Basic.NET17 andr_gin LVL 5 Visual Basic.NET4 5 Comments LVL 33 Overall: Level 33 Visual Basic.NET 17 Message Active Share Share this post on Digg Del.icio.us Technorati Twitter Reply With Quote 10-06-2011,4:26 AM #5 InertiaM VB.NET Forum Idol .NET Framework.NET 2.0 Join Date Nov 2007 Location Kent, UK Posts 663 For example, type /fastdetect:comnumber, where number is the number of the serial port. Source

I may be way off. -- Ken Halter - MS-MVP-VB (visiting from VB6 world) - http://www.vbsight.com Please keep all discussions in the groups.. You may have to register before you can post: click the register link above to proceed. You are not actually reloading a form, you are just running code in the Load event handler again for some reason. Replace your DBControl class with this: vb.net Code: Public Class DBControl Public Shared WithEvents SerialCon As New SerialPort Public Sub SerialConnect() With SerialCon

Access To The Port Is Denied C#

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load If SerialPort1.IsOpen Then SerialPort1.Close() End If 'TextBox1.e() Try SerialPort1.Open() Catch ex As Exception MsgBox(ex.ToString) End Try End Sub See: Any help please?? How does the FAA determine which format of location identifier to assign to an airport? This is a video that shows how the OnPage alerts system integrates into ConnectWise, how a trigger is set, how a page is sent via the trigger, and how the SENT,

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Do I need to make them all properties like below or is there a better way? Delete new kernels /boot full Is there a limit to the number of nested 'for' loops? I do have another question if you don't mind. Windows 10 Com Port Access Denied The Port didn't close after first try and the i of course couldn't open it again.

Thanks in advance... To start viewing messages, select the forum that you want to visit from the selection below. COMPort.BreakState = True System.Threading.Thread.Sleep(CInt(11000 / COMPort.BaudRate) + 2) ' Min. 11 bit delay (startbit, 8 data bits, parity bit, stopbit COMPort.BreakState = False MsgBox(COMPort.PortName & " opened at " & COMPort.BaudRate.ToString I'll check it.

USB serial devices are not part of this PnP mouse fiddle-fardle. Access To The Port Is Denied Iis Join our community for more solutions or to ask questions. Please check this similar thread:http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/a33e96cf-efbf-4ffa-88f0-949062f174b6 For every Test, I had to create an instance of class, and I was doing: 1) serialPort = new SerialPort(xx, xx, ...) 2) if (!serialPort.IsOpen()) c# xml serial-port share|improve this question edited Sep 18 '13 at 14:55 dsolimano 6,16832747 asked Aug 28 '11 at 7:41 Csharpz 3973921 maybe you're not closing some references properly

System Unauthorizedaccessexception Access To The Port Is Denied

I know that I need to find better Error Strings but it works for the test Thank you for your hints. Thank you vbcom PS: Full Code in Attachment Code: Private Sub SendData() On Error GoTo hilfe Dim tmp(9) As String tmp(0) = temp_da tmp(1) = temp_j tmp(2) = sh_da tmp(3) = Access To The Port Is Denied C# If you use /fastdetect, and you do not specify a communications port, serial mouse detection is turned off on all communications ports. Access To The Port 'com4' Is Denied Always handle any program errors VERY carefully when dealing with COM ports - lots of Try..Catch..End Try required !

Try testing to see whether the port is open and close it if it is. this contact form Is a "object constructor" a shorter name for a "function with name `object` returning type `object`"? Optional Password I have read and agree to the Terms of Service and Privacy Policy Please subscribe me to the CodeProject newsletters Submit your solution! You could try communicating with COM2 to see if you get a different result. Unable To Open Serial Port Com1 Access Is Denied

I return all the values on that open port. Im not sure whats happening because theres no error in my code. thank you! –Csharpz Aug 28 '11 at 14:36 add a comment| up vote 2 down vote In addition to Hans' answer: I had the same problem and played around a bit http://chatflow.net/is-denied/failed-to-start-monitoring-changes-to-web-config-because-access-is-denied.html The garbage collector is not collecting the first SerialPort object before you try to open another handle to it.

ReadOnly property - the value does not need to be initialized at compile time, it can be set via the class constructor or an initialization statement from within the class. Primopdf Exception Access To The Port Is Denied Here's the NT4 doc we went by. This occurs when the app tries to open the port.

When Windows boots, it attempts to identify (PnP) connected devices, including the posibility of a serial mouse on Com1.

Implementing realloc in C Ideal way to focus for portrait photography using a prime lens with narrow depth of field? Similar topics To know which Application is accessing the port COM1/COM2/LPT/any ? Thanks in advance! Portmon For Windows See www.hardandsoftware.net for details and contact information.

See more: serialport Hai, I need to Read datas from Serial Port.But when i try to Open the Com Port,iam getting the following error "Access is Denied - Unauthorized Access Exception".Can share|improve this answer edited Sep 1 '10 at 11:17 answered Sep 1 '10 at 10:59 ChrisW 42.6k672160 Edited to reference Portmon –ChrisW Sep 1 '10 at 11:17 add a It's quick & easy. http://chatflow.net/is-denied/access-to-the-path-c-windows-microsoft-net-framework-v4-0-30319-is-denied.html Privacy Policy Support Terms of Use 419,149 Members | 926 Online Join Now login Ask Question Home Questions Articles Browse Topics Latest Top Members FAQ home > topics >

Cheers Microsoft Visual Basic 2008 Reply With Quote Jun 28th, 2007,08:33 AM #6 MoLaw View Profile View Forum Posts Thread Starter Member Join Date Dec 2005 Location North Carolina Posts 52 That's where the error came from. aspnet_merge error 'access to path denied' Access to Datafile Denied in Web App Question: "Access to path denied" message Access to path denied error. There are scales that send their weight via the serial port 1 for each port.

When i run my program, "Access to the port 'COM1' is denied". I knwo this is some type of security access problem but I have no clue where to fix it. When i run my program, "Access to the port 'COM1' is denied". If I unplug the scale from com1 during boot, and plug it in after logging in, the it works fine.

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