VS 2015 crash - Possibly related to Code Analysis - crash
I have a clean installation of VS 2015 Enterprise. Every time I create a new Console Application project VS crashes. Sometimes it displays a dialog box saying that VS has crashed, but most of the time the IDE just disappears. This error is logged in the event log.
Application: devenv.exe
Framework Version: v4.0.30319
Description: The application requested process termination through System.Environment.FailFast(string message).
Message: System.AggregateException: One or more errors occurred. ---> System.EntryPointNotFoundException: Entry point was not found.
at System.Collections.Generic.IReadOnlyCollection`1.get_Count()
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService.GetTypesInFile(SemanticModel semanticModel, CancellationToken cancellationToken)
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService.<GetTypesInFileAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService.<GetItemsAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.<ComputeModelAsync>d__30.MoveNext()
--- End of inner exception stack trace ---
---> (Inner Exception #0) System.EntryPointNotFoundException: Entry point was not found.
at System.Collections.Generic.IReadOnlyCollection`1.get_Count()
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService.GetTypesInFile(SemanticModel semanticModel, CancellationToken cancellationToken)
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService.<GetTypesInFileAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService.<GetItemsAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.<ComputeModelAsync>d__30.MoveNext()<---
Stack:
at System.Environment.FailFast(System.String, System.Exception)
at Microsoft.CodeAnalysis.FailFast.OnFatalException(System.Exception)
at Microsoft.CodeAnalysis.ErrorReporting.FatalError.Report(System.Exception, System.Action`1<System.Exception>)
at Microsoft.CodeAnalysis.ErrorReporting.FatalError.Report(System.Exception)
at Roslyn.Utilities.TaskExtensions.ReportFatalErrorWorker(System.Threading.Tasks.Task, System.Object)
at System.Threading.Tasks.ContinuationTaskFromTask.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
at System.Threading.Tasks.Task.ExecutionContextCallback(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.ExecuteEntry(Boolean)
at System.Threading.Tasks.ThreadPoolTaskScheduler.TryExecuteTaskInline(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.TaskScheduler.TryRunInline(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.TaskContinuation.InlineIfPossibleOrElseQueue(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.StandardTaskContinuation.Run(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.Task.ContinueWithCore(System.Threading.Tasks.Task, System.Threading.Tasks.TaskScheduler, System.Threading.CancellationToken, System.Threading.Tasks.TaskContinuationOptions)
at System.Threading.Tasks.Task.ContinueWith(System.Action`2<System.Threading.Tasks.Task,System.Object>, System.Object, System.Threading.Tasks.TaskScheduler, System.Threading.CancellationToken, System.Threading.Tasks.TaskContinuationOptions, System.Threading.StackCrawlMark ByRef)
at System.Threading.Tasks.Task.ContinueWith(System.Action`2<System.Threading.Tasks.Task,System.Object>, System.Object, System.Threading.CancellationToken, System.Threading.Tasks.TaskContinuationOptions, System.Threading.Tasks.TaskScheduler)
at Roslyn.Utilities.TaskExtensions.ReportFatalError(System.Threading.Tasks.Task, System.Object)
at System.Threading.Tasks.ContinuationTaskFromResultTask`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].InnerInvoke()
at System.Threading.Tasks.Task.Execute()
at System.Threading.Tasks.Task.ExecutionContextCallback(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.ExecuteEntry(Boolean)
at System.Threading.Tasks.ThreadPoolTaskScheduler.TryExecuteTaskInline(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.TaskScheduler.TryRunInline(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.TaskContinuation.InlineIfPossibleOrElseQueue(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.StandardTaskContinuation.Run(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task.FinishStageTwo()
at System.Threading.Tasks.Task.Finish(Boolean)
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetException(System.Object)
at System.Threading.Tasks.UnwrapPromise`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetFromTask(System.Threading.Tasks.Task, Boolean)
at System.Threading.Tasks.UnwrapPromise`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Threading.Tasks.Task)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task.FinishStageTwo()
at System.Threading.Tasks.Task.Finish(Boolean)
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetException(System.Object)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetException(System.Exception)
at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController+<ComputeModelAsync>d__30.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task.FinishStageTwo()
at System.Threading.Tasks.Task.Finish(Boolean)
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetException(System.Object)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetException(System.Exception)
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService+<GetItemsAsync>d__1.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task.FinishStageTwo()
at System.Threading.Tasks.Task.Finish(Boolean)
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetException(System.Object)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetException(System.Exception)
at Microsoft.CodeAnalysis.Editor.CSharp.NavigationBar.CSharpNavigationBarItemService+<GetTypesInFileAsync>d__3.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.__Canon)
at Microsoft.CodeAnalysis.Document+<GetSemanticModelAsync>d__21.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.__Canon)
at Microsoft.CodeAnalysis.Solution+CompilationTracker+<GetOrBuildCompilationAsync>d__21.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.__Canon)
at Microsoft.CodeAnalysis.Solution+CompilationTracker+<BuildCompilationFromScratchAsync>d__23.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.__Canon)
at Microsoft.CodeAnalysis.Solution+CompilationTracker+<BuildDeclarationCompilationFromScratchAsync>d__24.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.__Canon)
at Microsoft.CodeAnalysis.DocumentState+<GetSyntaxTreeAsync>d__31.MoveNext()
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()
at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.FinishContinuations()
at System.Threading.Tasks.Task.FinishStageThree()
at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].SetResult(System.__Canon)
at Roslyn.Utilities.AsyncLazy`1+Request[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].CompleteFromTaskSynchronously(System.Threading.Tasks.Task`1<System.__Canon>)
at Roslyn.Utilities.AsyncLazy`1+Request[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].CompleteFromTaskSynchronouslyStub(System.Object)
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
at System.Threading.Tasks.Task.ExecutionContextCallback(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef)
at System.Threading.Tasks.Task.ExecuteEntry(Boolean)
at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
I get the exact same error if I open an existing project and try to open a CS file.
I have been struggling with this for the last two days. I've repaired the installation numerous time. I've done multiple uninstall/installs using different ISO files. I've trawled the internet looking for similar issues without success.
Has anyone come across this before? Any ideas where to go from here?
I've tried logging it as bug on connect.microsoft.com but that site always craps out before I can even start the process.
Thanks,
David
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VB project - Inside was outside the bounds of the array
I'm working with the following VB code:
Option Strict On
Option Infer On
Public Class mainForm
Private readBuffer As String = String.Empty
Private Bytenumber As Integer = 1
Private ByteToRead As Integer = 1
Private byteEnd(2) As Char
Private comOpen As Boolean
Private Sub Form1_FormClosed(ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.FormClosedEventArgs) _
Handles MyBase.FormClosed
If comOpen Then SerialPort1.Close()
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
sensorButton.Checked = True
' read avaiable COM Ports:
Dim Portnames As String() = System.IO.Ports.SerialPort.GetPortNames
If Portnames Is Nothing Then
MsgBox("There are no Com Ports detected!")
Me.Close()
End If
cboComPort.Items.AddRange(Portnames)
cboComPort.Text = Portnames(0)
cboBaudRate.Text = "115200"
End Sub
Private Sub btnComOpen_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnComOpen.Click
' device params
With SerialPort1
.ParityReplace = &H3B ' replace ";" when parity error occurs
.PortName = cboComPort.Text
.BaudRate = CInt(cboBaudRate.Text)
.Parity = IO.Ports.Parity.None
.DataBits = 8
.StopBits = IO.Ports.StopBits.One
.Handshake = IO.Ports.Handshake.None
.RtsEnable = False
.ReceivedBytesThreshold = 1 'threshold: one byte in buffer > event is fired
.NewLine = vbCr ' CR must be the last char in frame. This terminates the SerialPort.readLine
.ReadTimeout = 10000
End With
' check whether device is avaiable:
Try
SerialPort1.Open()
comOpen = SerialPort1.IsOpen
Catch ex As Exception
comOpen = False
MsgBox("Error Open: " & ex.Message)
picOpen.BackColor = Color.Red
End Try
If comOpen Then
picOpen.BackColor = Color.Green
cboComPort.Enabled = False
cboBaudRate.Enabled = False
End If
End Sub
''' <summary>
''' close ComPort
''' </summary>
Private Sub Button_Close_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnComClose.Click
If comOpen Then
' clear input buffer
SerialPort1.DiscardInBuffer()
SerialPort1.Close()
End If
comOpen = False
picOpen.BackColor = Color.Red
picDataReceived.BackColor = Color.Gray
cboComPort.Enabled = True
cboBaudRate.Enabled = True
End Sub
''' <summary>
''' clear TextBoxes
''' </summary>
Private Sub Button_clear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click
tbRx.Text = String.Empty
txTimer.Stop()
End Sub
''' <summary>
''' write content of Textbox to Port
''' </summary>
Private Sub button_send_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSend.Click
...
End Sub
''' <summary>
''' close app
''' </summary>
Private Sub Button_ende_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click
If comOpen Then
' clear input buffer
SerialPort1.DiscardInBuffer()
SerialPort1.Close()
End If
comOpen = False
Me.Close()
End Sub
''' <summary>
''' send control panel key to com port
''' </summary>
''' <param name="sender">return key name</param>
Private Sub Tasten_Click(ByVal sender As System.Object,
ByVal e As System.EventArgs)
Dim key As String = CType(sender, Button).Text
If comOpen Then SerialPort1.Write(key)
End Sub
''' <summary>
''' Timer datareceived event
''' </summary>
Private Sub Timer1_Tick(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Timer1.Tick
picDataReceived.BackColor = Color.Gray
Timer1.Enabled = False
End Sub
econdary thread
'''
Private Sub SerialPort1_DataReceived(ByVal sender As System.Object, _
ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) _
Handles SerialPort1.DataReceived
...
End Sub
Public Sub DoUpdate(ByVal sender As Object, ByVal e As System.EventArgs)
...
End Sub
.....
End Class
The original code is found here: https://code.msdn.microsoft.com/windowsapps/SerialPort-Sample-in-VBNET-fb040fb2
I've modified the code to suit my needs and am seeing the error "Index was outside the bounds of the array" when I run the application from the Debug folder on a separate PC (the files work with no flaws on my PC with Visual Studio). I thought the issue was with my modification, but it looks like the original file cannot be run. I have attempted to initialize the ints "Bytenumber" and "ByteToRead" with a value of 1, bit I still the issue. What could be causing it?
The exception text is:
************** Exception Text **************
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at LMUEngineering.mainForm.Form1_Load(Object sender, EventArgs e) in C:\Users\---\OneDrive\frmMain.vb:line 38
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
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VB.NET How do i use ApplicationEvents to catch an exception within a thread?
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Namespace My
' The following events are available for MyApplication:
'
' Startup: Raised when the application starts, before the startup form is created.
' Shutdown: Raised after all application forms are closed. This event is not raised if the application terminates abnormally.
' UnhandledException: Raised if the application encounters an unhandled exception.
' StartupNextInstance: Raised when launching a single-instance application and the application is already active.
' NetworkAvailabilityChanged: Raised when the network connection is connected or disconnected.
Partial Friend Class MyApplication
Private Delegate Sub SafeApplicationThreadException(ByVal sender As Object, ByVal e As Threading.ThreadExceptionEventArgs)
Private Sub ShowDebugOutput(ByVal ex As Exception)
Dim frmD As New frmDebug()
frmD.rtfError.AppendText(ex.ToString())
frmD.ShowDialog()
Environment.Exit(0)
End Sub
Private Sub MyApplication_Startup(ByVal sender As Object, ByVal e As Microsoft.VisualBasic.ApplicationServices.StartupEventArgs) Handles Me.Startup
System.Windows.Forms.Application.SetUnhandledExceptionMode(UnhandledExceptionMode.Automatic)
AddHandler System.Windows.Forms.Application.ThreadException, AddressOf app_ThreadException
AddHandler AppDomain.CurrentDomain.UnhandledException, AddressOf AppDomain_UnhandledException
End Sub
Private Sub app_ThreadException(ByVal sender As Object, ByVal e As Threading.ThreadExceptionEventArgs)
If MainForm.InvokeRequired Then
MainForm.Invoke(New SafeApplicationThreadException(AddressOf app_ThreadException), New Object() {sender, e})
Else
ShowDebugOutput(e.Exception)
End If
End Sub
Private Sub AppDomain_UnhandledException(ByVal sender As Object, ByVal e As UnhandledExceptionEventArgs)
ShowDebugOutput(DirectCast(e.ExceptionObject, Exception))
End Sub
Private Sub MyApplication_UnhandledException(sender As Object, e As Microsoft.VisualBasic.ApplicationServices.UnhandledExceptionEventArgs) Handles Me.UnhandledException
ShowDebugOutput(e.Exception)
End Sub
End Class
End Namespace
However, i have found that it will not catch exceptions from within, for example, a BGWorker_DoWork sub.
It will, however, catch exceptions on the same BGWorker_RunWorkerCompleted sub.
Is there a way for me to catch the exceptions from within the thread, without using Try-Catch?
Change Internet explorer volume programmatically. .net
With the following code you can change the volume on a Windows PC. But it changes the global volume.
I would like to change the slider value of Internet Explorer in the Mixer settings. can this be done?
Imports System.Runtime.InteropServices
Public Class Form1
<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> Private Shared Function SendMessage(ByVal hWnd As IntPtr, ByVal Msg As UInteger, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As IntPtr
End Function
Const WM_APPCOMMAND As UInteger = &H319
Const APPCOMMAND_VOLUME_UP As UInteger = &HA
Const APPCOMMAND_VOLUME_DOWN As UInteger = &H9
Const APPCOMMAND_VOLUME_MUTE As UInteger = &H8
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
SendMessage(Me.Handle, WM_APPCOMMAND, &H30292, APPCOMMAND_VOLUME_UP * &H10000)
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
SendMessage(Me.Handle, WM_APPCOMMAND, &H30292, APPCOMMAND_VOLUME_DOWN * &H10000)
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
SendMessage(Me.Handle, WM_APPCOMMAND, &H200EB0, APPCOMMAND_VOLUME_MUTE * &H10000)
End Sub
End Class
I found a similar answer somewhere else with a large C# example, you should be able to run this through a C# to vb.net converter and get what you're looking for (the person in this example is trying to control FireFox's volume, so essentially exactly what you're looking for). Controling Volume Mixer
Gridview RowUpdating can't find a control
As the title says I am unable to find the control I want.
This is the GridView:
<asp:GridView ID="gvInfo" runat="server" AutoGenerateColumns="false" AutoGenerateEditButton="true">
<Columns>
<asp:BoundField DataField="filename" HeaderText="Filename" SortExpression="filename" />
<asp:ButtonField ButtonType="Button" CommandName="Select"
HeaderText="Move File" ShowHeader="True" Text="Move File" />
</Columns>
</asp:GridView>
This is the code behind:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
ShowGV()
End If
End Sub
Protected Sub gvInfo_RowEditing(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewEditEventArgs) Handles gvInfo.RowEditing
gvInfo.EditIndex = e.NewEditIndex
ShowGV()
End Sub
Protected Sub gvInfo_RowCancelingEdit(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCancelEditEventArgs) Handles gvInfo.RowCancelingEdit
gvInfo.EditIndex = -1
ShowGV()
End Sub
Protected Sub gvInfo_RowUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewUpdateEventArgs) Handles gvInfo.RowUpdating
Dim row = gvInfo.Rows(e.RowIndex)
Dim Test As String = CType(row.FindControl("filename"), TextBox).Text
Response.Write(Test)
gvInfo.EditIndex = -1
ShowGV()
End Sub
Any help is much appreciated.
Thanks.
Try
CType(row.Cells(0).Controls(0), TextBox).Text
'change index of `cell(0)` to required column index (column index starts from 0)
or
convert required column to a TemplateField and use,
CType(row.FindControl("LabelNamein'EditItemTemplate'"), TextBox).Text