Error: The CLR Has Been Unable To Transition From COM Context 0x4cefd8 To COM Context 0x4cf148 For 60 Seconds

Aug 20, 2009

When bulk renaming files (14000 of them) i get this error: The CLR has been unable to transition from COM context 0x4cefd8 to COM context 0x4cf148 for 60 seconds. The thread that owns the destination context/apartment is most likely either doing a non pumping wait or processing a very long running operation without pumping Windows messages. This situation generally has a negative performance impact and may even lead to the application becoming non responsive or memory usage accumulating continually over time. To avoid this problem, all single threaded apartment (STA) threads should use pumping wait primitives (such as CoWaitForMultipleHandles) and routinely pump messages during long running operations.

My code is as follows:

Private Sub frmTest_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim asd As List(Of String) = FileIO.FileSystem.GetFiles("D:Music").ToList
Dim rs As New ADODB.RecordSet("SELECT * FROM Songs", My.Settings.Files_Database__Connection)

[code].....

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Mds - Error "The CLR Has Been Unable To Transition From COM Context 0x3dc190 To COM Context 0x3dc300 For 60 Seconds"

Jun 8, 2011

I got this message because of a long process: ContextSwitchDeadlock was detected
Message: The CLR has been unable to transition from COM context 0x3dc190 to COM context 0x3dc300 for 60 seconds. The thread that owns the destination context/apartment is most likely either doing a non pumping wait or processing a very long running operation without pumping Windows messages. This situation generally has a negative performance impact and may even lead to the application becoming non responsive or memory usage accumulating continually over time.

To avoid this problem, all single threaded apartment (STA) threads should use pumping wait primitives (such as CoWaitForMultipleHandles) and routinely pump messages during long running operations. I've poked around on the internet and on a forum, someone suggested to use application.doevents(). I did that and the messaged goes away. In an earlier thread a member wrote that using application.doevents rarely was used appropriately. Is my situation a proper usage of application.doevents or is there something else I should be doing?

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Webservice Timing Out - Unable To Transition From COM Context

Nov 3, 2009

I added a web reference to my VS 2005 console application [Code] The call to this WS times out with :"The CLR has been unable to transition from COM context 0x1a3008 to COM context 0x1a3178 for 60 seconds. The thread that owns the destination context/apartment is most likely either doing a non pumping wait or processing a very long running operation without pumping Windows messages.

This situation generally has a negative performance impact and may even lead to the application becoming non responsive or memory usage accumulating continually over time. To avoid this problem, all single threaded apartment (STA) threads should use pumping wait primitives (such as CoWaitForMultipleHandles) and routinely pump messages during long running operations."

I used WCFStorm to call this WS and the result comes back in an instance, so I don't think the WS is a problem. I deleted the web reference a few times and added it back again. did the clean and rebuild operations.

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Unable To Start Process Under Different User Context From Windows Service?

Nov 24, 2010

I have a Windows Service that needs to start other processes under a user context other than that used by the service. I've seen other posts related to this but have seen no resolutionI've tried many things and have been unsuccessful in starting the process from a Windows Service when a username, password is supplied. orking as it's a requirement of our system to do this and it worked fine until recently and only fails on Vista and Windows 7 (works on XP).

The following code is used to start the process.
Dim P As New Process
P.StartInfo.Domain = Domain

[code].....

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Insert A New Right Click Context Menu Item To The Existing Right Click Context Menu For The Active Window?

May 15, 2010

VB express 2008 .net 3.5 or .net 4.0 VB express 2010?I have written application to convert RTF to HTML. The main Purpose of the application is to copy VS code to the clipboard and covert it then put it back into the clipboard as a HTML Document so that it can be pasted into a HTML document such as Windows Live Mail. I found that code copied and pasted is spaced out in in the wrong positions.

The applications works perfect with no bugs so far. I then asked Myself how to go about doing the copy with the least amount of operator interaction. So I added an Icon to the Icon Tray with a right click menu to use to convert once the Rich Text Format was copied to the clipboard. This works fine except you have Five steps, Select the text, Copy to clipboard, Right Click the icon, Select the Converter and Paste. The normal is three steps.

To this the best solution is to add a context menu item to the active form such as the RTF editor or window. So that when you select the Rich Text to copy and right click on the form to bring up that menu then to Just Select the menu Item such as "Copy RT and Convert"  I searched and found about 544000 Items and tried to restrict down to no avail. I read until I finally gave up. I did not find any code examples of this. Almost every thing I found related to the web or some other explicit document like Excel and not to the Various windows that could be active with RT in it.

how do you add a context menu item to the context menu of an active rich text format window such as WordPad or VB?I have test in my application that tests to see if it is a RTF in the clipboard so if it is not the converter does nothing.

Imports System.Threading
Imports System.IO
Imports System

[code]....

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Error - Context Is Not A Member Of 'test'

Dec 17, 2009

my code is in test.aspx.vb is,

Option
Strict Off
Option Explicit On
Imports Microsoft.VisualBasic
Imports System

[code].....

for the above code i am getting the following error when i'm viewing in browser.can any one help me.

Error List:

Handles clause requires a WithEvents Variable defined in the containing type or one of its base types.
Context is not a member of 'test'.
Context is not a member of 'test'.

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Oct 9, 2010

I couldnt find any where else on this forum for C# so I just posted here because Im using Visual Basic C# 2008 Express. Im making my first game and Ive come across this error: The name 'UpdateInput' does not exist in the current context.

[Code]...

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Sep 1, 2011

I get this error.. and I know the ip address is not valid duh! but it's a server it should be based on port only.

Error =

Errors at runProxy @ The requested address is not valid in its context
0.0.0.0:7900

[code]....

P.S.> my client I connect to 127.0.0.1 : 7900..I want it to re-route the connection to the txtIP.text : 7900 (txtListeningPort.Text)

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I am trying to show a context menu when i click on the tray icon (mnuLeft for left click and mnuRight for right click)[code]...

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Feb 25, 2011

I'm currently trying to create a NEWID() function in my DataContext in LINQ using the solution here, however, when adding the partial class to my DataContext.vb or a separate DataContextPartial.vb, I get the error System.Data.Function is not available in this context because it is 'Friend'.

I've come across this when accessing data types before and that was in easy fix of setting it to Public, but I'm not sure where the properties for function could be or how to change them.The code I have is converted to VB.NET from the C# in the linked answer above:

Partial Public Class CMSModelDataContext
<[Function](Name:="NEWID", IsComposable:=True)> _
Public Function Random() As Guid

[code]....

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Error : Definition Of Method ReferenceGroup Is Not Accessible In This Context

May 2, 2012

I am trying to convert this method to VB.NET but the online converters seem to make a mess of converting it. Can someone help:

C# original:

private IEnumerable<IGrouping<string, Reference>> FindReferencesWithTheSameShortNameButDiffererntFullNames(List<Reference> references)
{

[code]....

This errors on Where is not declared.I wouldn't have thought that the VB would not be that dis similar to the C# something like this:

Private Function FindReferencesWithTheSameShortNameButDiffererntFullNames(references As List(Of Reference)) As IEnumerable(Of IGrouping(Of String, Reference))
Return From reference In references
Group reference By reference.ReferencedAssembly.Name

[code]....

But I get: Definition of method referenceGroup is not accessible in this context.

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Apr 12, 2010

I am having a Friend Class InterceptingChannelBase class.It has a property as below:

Protected ReadOnly Property InnerChannel() As TChannel
Get
Return Me.innerChannelT

[code]....

This class is being inherited by (Friend Class InterceptingInputChannel) class which in turn contains another (Private Class TryReceiveAsyncResult) class.The property above is being used in this private class as below:

Public Sub New(ByVal channel As InterceptingInputChannel(Of TInputChannel), ByVal timeout As TimeSpan, ByVal callback As AsyncCallback, ByVal state As Object)
MyBase.New(channel, callback, state)

[code]....

I am getting the error on the above underlined statement saying that Protected Readonly Property InnerChannel is not accessible in this context because it is declared asa Protected.As far as i think,if i declare a property in class as 'Protected' then if this class is inherited by 'another' class then i can use this property and it should not throw an error.

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Dec 23, 2009

"The requested address is not valid in its context."

[Code]...

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Feb 1, 2011

I am getting an error message: "Pervasive.data.sqlclient.v is not accessible in this context because it is 'friend.'" This error message appears when I hover the cursor over the "For Each v In qv" line in the following code:

[Code]...

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"Code Blocks Are Not Supported In This Context" Error In ASP.NET

Jun 20, 2011

I am getting this error by simply trying to insert some VB.NET code in ASP.NET markup. See the code:

<%@ Control Inherits="PerformanceWeb.Framework.SiteSettings" CodeBehind="sitesettings.ascx.vb" language="vb" AutoEventWireup="false" %>
<table id="TABLE1" cellSpacing="0" cellPadding="2" border="0" runat="server">

[code]....

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May 31, 2012

I am calling this function when a button is CLICKED and received the error; The name "The" is not permitted in this context. Valid expression are constants, constants expression, and (in some contexts) variables. Column names are not permitted.Unclosed quotation mark after the character string 'True)'.

The function is as follows;

Code:
Private Sub Save()
Dim conn As SqlConnection = GetDbConnection()
Dim query As String

[code]....

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May 28, 2011

Exception Details: System.Web.HttpException: Request is not available in this context.[code]

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Jun 3, 2009

Is there another way to add a Context Menu to a ToolStrip other than using the MouseDown Event? I want to use it to let people select to either show text labels on buttons in the ToolStrip or turn them off.

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Oct 27, 2010

How to put my video player to the context menu?  But I also need to know how to make it so that when my video player opens that it will it will load the file that I wanted to open with my video player.

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Jul 27, 2011

I have a project that I have upgraded from .NET 1.1 to .NET 4.0. The project uses Windows Authentication (internal Intranet webpage). I setup Windows Authentication in IIS 7.5 (running Windows 7) following the steps laid out in this article.[URL]..I can now build the project. I can open the project by opening IE and typing in the URL on localhost. However, if I try to debug the project it throws an NullReferenceException on this line in the Application_AuthenticateRequest in Global.asax.

dt = oDBLookup.GetPIMSUserRoles(Context.User.Identity.Name)If I set a breakpoint there I see that Context.User is Nothing. If I set a breakpoint in the same place on the 1.1 project (different box, running IIS 6) it has my Windows Credentials.Why would Context.User be Nothing ONLY when I am trying to run from the debugger in Visual Studio 2010 Professional, and not when I open the web project directly in IE?

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Jul 14, 2010

I get this error mssg; Microsoft.Net Framework//An unhandled exception has occurred.Cannot Generate SSPI Context.The SQL Server is on a SERVER and my program is on the client machine.I believe it (Client machine) is loosing its network connection. Because once I re-bot the system it connects fine.I am going to try and PING the SERVER when it comes up next to check the connection.I tried googling this for a resolution but to no avail.Do u think I will have to reload the OS on the client machine or just the Framework.

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May 1, 2010

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Jun 14, 2010

I Wont Save Selected Traget & Save Selected Image& Save Selected Link& Copy Image& View Iamge

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I have an application that is simply an icon that sits in the system tray, with a context menu that opens upon right-clicking. One of the options in the menu is a text box where the user can enter a number, and press enter to perform a specific action (which is not significant to my question). The problem with this, however, is that if the mouse moves away from the text box, the menu closes.

Is there a way to keep the menu open as long as the text box has focus no matter what?

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Feb 15, 2011

 calculator similar to the Standard Windows Calculator. Your calculator should perform the same operations as the standard calculator.  

I JUST WANT TO KNOW HOW MAKE  Context menus

- FOR THESE  Memory buttons: MC, MR, MS, M+

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Dec 21, 2010

I have an application. If I press a button, a menu show up.

How do I get a handle to that menu?

I use spy ++. It seems that the menu is not a child of the button.

I use FindWindowEx but I don't think I got the right handle.

Here is another possibly related question

Why the handle of a menu is of type HMENU rather than HWND?

In VB.net they're both integer right?

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Jul 15, 2009

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I've attached a context menu to a richtextbox. This textbox contains lines of data, and I want to find the text of the line which the user has pressed.I found how to do it after the user has chosen one of the context menu items. But I can't figure out how to do it before or when the context menu is opened. The reason for that is that I'd like to disable one of the context menu items if the line of text is missing some text. I tried the following but it's not working:

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RichTextBox1.GetLineFromCharIndex(RichTextBox1.SelectionStart)
Dim line As Integer = RichTextBox1.GetLineFromCharIndex(RichTextBox1.SelectionStart)

[code]....

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Dim sendMessage As New structMessage
sendMessage.Command = Command.IP
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Imports System.Windows.Forms
Imports System.Diagnostics
Module Module1

[Code].....

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PS: Just to put some context on it this all started from a discussion on how to build a method that will calculate the Fibonacci sequence and one of the suggestions was a recursive function.

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