October 2003 .NET Framework SDK Documentation Update

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 - 1
 - how to get cpu's id? Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62957
 - 2
 - System.IO.PathTooLongException Hi, (This is a repost - I posted this last week, but misspelled my email alias.) The documentation states that this "exception is thrown when a pathname or filename is longer than the system-defined maximum length". In my case, this max. length is 260 characters on WinXP. Is there any way to change this value? If not, are there any workarounds? Thanks, Donald Xie Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62954
 - 3
 - Problem installing .Net Framework SP2 I have 1.1 of the framework with SP1 already installed on my machine and am trying to install the .Net Framework Service Pack 2. I get this message: "The upgrade patch cannot be installed by the Windows Installer service because the program to be upgraded may be missing, or the upgrade patch may update a different version of the program. Verify that the program to be upgraded exists on your computer and that you have the correct upgrade patch." Tried it on another machine with just 1.1 on it with no service packs and still get the same message, I also have the compact framework SP1 installed. Bit lost in all the versions and service packs at the moment Derek Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62953
 - 4
 - XmlDocument read from Network Stream I have been using the following code (successfully) to read Xml formated text packets from a TCP stream. The output from the server stream consists of a sequence of well formed Xml documents written to the output stream. We are willing to pay $ to any expert (e.g. MVP) consultant who has to time to help us track down this problem. (we will discuss rates if you can prove your expertise, and problem solving approach). The code below is for the client that is reading the stream. All this worked well, as long as long delays were between each "packet". But when multiple packets are sent in quick succession, it is dropping packets. I have been trying to do this more "correctly" with using a XmlTextReader, but with no luck. E.g. XmlTextReader r = new XmlTextReader(); reader.MoveToContent(); string s = reader.ReadOuterXml(); dgram.Load(s); It basically hangs on the ReadOuterXml(); Here is the original "working" code: -------------------------------------------- private void OrchTalk() { int bytesRead = 0; XmlDocument dgram = new XmlDocument(); while (true) { byte[] buffer = new byte[1024]; // buffer for socket read stream bytesRead = 0; try { bytesRead = oStream.Read(buffer, 0, buffer.Length); } catch (Exception e) { if (stateCode == Common.stateCodes.shutdown) {break;} Tools.Debug(10, "OrchTalk: read error {0} ", e.ToString()); break; } if (bytesRead == 0) { if (this.stateCode == Common.stateCodes.shutdown) { Tools.Debug(10, "OrchTalk: Orchestrator died"); this.Disconnect(); return; } break; } else { string s = Tools.ByteToStr(buffer, 0); try { dgram.LoadXml(s); } catch (Exception e) { Tools.Debug(0, "OnReadComplete: {0} Runt packet: {1}", e.ToString(), s); } int endTime = Environment.TickCount; this.inPacket = dgram.DocumentElement; Tools.Debug(10, "packet: {0}", inPacket.OuterXml); this.Dispatch(); int startTime = (int)this.stats["start"]; int elapsed = endTime - startTime; this.stats["stop"] = endTime; this.stats["time"] = elapsed; this.stats["bytes"] = bytesRead; this.stats["packetText"] = inPacket.OuterXml; if (StationMaster.isConnected) { string outPacket = inPacket.OuterXml; FlashComm.itself.Send(outPacket); } } } this.Disconnect(); } Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62952
 - 5
 - race conditions caused by Thread.Abort I have been looking for ways to prevent asynchronous Thread.Abort calls from wreaking havoc in my code. I'm working on an assembly, implemented in Managed Extensions for C++, that makes unmanaged calls and often needs to free resources associated with those calls: bool allocated = false; try { ... // Allocate some resources in unmanaged code allocated = AllocateUnmanagedResources(); ... } __finally { // Only free resources if allocation was successful if (allocated) FreeUnmanagedResources(); } This code should work fine if the thread running it is not aborted. However, asynchronously aborting the thread can lead to two problems: - The ThreadAbortException can be thrown from inside the __finally block, causing the resources to be leaked. This possibility is noted in the Thread.Abort documentation. - The ThreadAbortException can be thrown after a successful call to AllocateUnmanagedResources but before the assignment to the boolean variable. In that case, the code in the __finally block isn't aware of the current state, so the resources are leaked. Both of these scenarios seem to be the result of deficiencies in the .NET Framework and/or CLR: 1) __finally blocks aren't guaranteed to run to completion 2) There doesn't seem to be a way to create an "unabortable" block of code. Obviously, this kind of feature could be abused (and would preclude the need for (1) above), but it seems necessary in order to allow clean- up code to know the state of the application. Anyway, I'm looking for ways to eliminate the race conditions described above. So far, the only solution I've found is to surround the whole block with a try/catch, and push the state variable assignment into unmanaged code (which can't be aborted): #pragma unmanaged // Error-checking ignored for clarity void AllocationWrapper(bool* pAllocated) { *pAllocated = AllocateUnmanagedResources(); } void DeallocationWrapper(bool* pAllocated) { if (*pAllocated) { FreeUnmanagedResources(); *pAllocated = false; } } #pragma managed bool allocated = false; try { try { ... AllocationWrapper(&allocated); ... } __finally { DeallocationWrapper(&allocated); } } catch (ThreadAbortException*) { DeallocationWrapper(&allocated); } Can anyone think of a cleaner way to remove the race conditions? Something in the language or framework I've missed? A configuration setting that magically disables Thread.Abort? Thanks... Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62950
 - 6
 - RunDll or remote activation needed In the .NET Framework Developer's Guide there is a page titled Building a Host application. Within this page there is a note: Unlike COM, remoting does not start the host or server application for you. This is an important difference between .NET remoting and remote activation in COM. I need this functionality. I need to be able to start a seperate win32 process and communicate with it. The trick is that there must not be any need for configuration files or such. I could approach the problem one of two ways. Either my client dll can reference the server exe (but referencing an exe is not allowed by the IDE). Or I can reference and execute a dll. The reason I want to reference it is to make sure that VS always puts a copy of it where I can find it, so I can execute it. Another possibility is to make the server app also a COM server and just register it that way, but this is not managed and VS will not register an exe this way. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62948
 - 7
 - Accessing Form Controls From Threaded Delegate via Async Callbacks. I have a Form that hosts a control (used for visual feedback). From this form a Class is created. This Class has several events/delegates that are triggered by a Socket (which is a member of the class)'s Async Callbacks. [Eg OnConnected, etc ]. From within this delegate eg. OnConnected, OnReceivedData and OnClose I need a way to be able to provide visual feedback to the form. I setup an event/delegate on the Form and made it public so others could access it. A refernece to the Form was passed to the Class when it was created. However the minute i call Parent.Invoke (Parent.VisualMethod,......) the program hangs. Trapped inside a Try catch to catch any exceptions the program just hangs. I've stepped through the code and when I step into that line the program and debugger never come back. I've tried Control.Invoke, new DelegateMethod(parameters), Parent.VisualControl.Methodstoupdate Maybe there is something here I dont quite fully understand. Maybe there is something very simple that I'm missing. Or Maybe there is an alternate method of achieving my goal. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62947
 - 8
 - host normal jscript or vbscript in .net I'd like to be able to run normal JScript or VBScript (not .Net) from inside a dotnet application, and let the script access certain object at least through COM. I don't want to use the jscript.net VsaEngine implementation because I need to compile and run ALOT of small bits of code and memory is an issue when you can't unload those emitted assemblies. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62944
 - 9
 - working with TCP/IP I have a client server application where the client sends mouse movements and text to the server like "MVU 15" would move the mouse up 15 pixels and "CHAR a" would send an 'a' to the current application. The problem I am having is that when I try to send a string of chars I get multiple sends when I read from the TCP/IP stream for instance on one read I might get "CHAR aCH" then the next read I will get "AR bCH" which obviously breaks my code. I am using the following code to send the data --------------------------- System.IO.StreamWriter NStream; client = new System.Net.Sockets.TcpClient(); client.Connect(System.Net.IPAddress.Parse(strIPAddress),6254); NStream = new System.IO.StreamWriter(client.GetStream()); NStream.Write(s); NStream.Flush(); --------------------------- and the following to read the data --------------------------- skt = listener.AcceptSocket(); byte[] b = new byte[15]; res = skt.Receive(b); ---------------------------------------- I was thinking i will pad the data to 15 chars but it doesn't seem to be a problem for most things, but that might have been a result of the speed it was sent. Any ideas would be great. Thanks in advance, ~Logan Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62943
 - 10
 - pwdLastSet and other Active Directory Date types Has anyone been able to get the "date" properties (pwdLastSet, lastLogon, etc.) from Active Directory using JUST the native .Net tools (no com interop with activeds)? When I try to do that, I get strange results. Consider the following simple code: (for this a .Net reference is set to System.DirectoryServices) Private Function Test(ByVal sLDAPPath As String) Dim de As New DirectoryEntry(sLDAPPath) Dim sr As SearchResult Dim ds As New DirectorySearcher(de) Dim lTemp As Long ds.PropertiesToLoad.Add("pwdLastSet") ds.PropertiesToLoad.Add("lastLogon") sr = ds.FindOne If sr Is Nothing Then 'not found Else lTemp = sr.Properties.Item("pwdLastSet")(0) End If End Function With MY user ID, lTemp ends up with 127133852422713849. That's fine, I can use a DateTime.FromFileTime, but it comes back with a date that is about a day off from what I get back using the interop (not just the UTC time difference). I get similar results on other accounts (sometimes it is very close, other times it is WAY off. When I use the Microsoft sample "Active Directory Browser" (adsvw.exe) it shows this value should be 127133856717681145. Again, similar results on other accounts. Samples: above code adsvw.exe 127129877390570772 126626200214730160 126625284477162600 126625284477162600 (yes, this one comes out the SAME!!!) I know I can use something like this: Private Sub Test(ByVal sLDAPPath As String) Dim objUser As ActiveDs.IADsUser objUser = GetObject(sLDAPPath) Dim dt As Date = objUser.PasswordLastChanged() End Sub And it will work (as long as I referenced ActiveDS), but I do not really want to ship the Interop.ActiveDS.dll along (or use COM) for this. Anyone "been there, done that - solved it" that would share? Thanks! Jerry Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62939
 - 11
 - dictionary with multiple object under the same key Hi All, Is the a dictionary some place where multiple objects can be collected under one key ? like... dictionary.add( "a", "about" ); dictionary.add( "a", "after" ); Took a look at hashtable etc. and others but they don't support it. thanks, Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62937
 - 12
 - Input panel with more then one form Hi, If my application has two forms and the user needs to fill in some textboxes on each of then, how may inputpanels do I need. When I put one on the first form it works fine, but if I put one on the second form as well, exceptions occeur. If I need only one, how can I enable it from the second form? I'm using VB.NET to write a smartapplication. thanks, Eric Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62936
 - 13
 - Any suggestions to this notouch app issue? Hi I have developed a little windows forms wich is supposed to be deployed with NoTouch (smart client) technolgy. Since a nice GUI is essential for the app i have used transparency to give i at nice look. But then the framework wrap my nice gui in a standard form!! Look at this: http://pings.dk/notouchgui.jpg Any suggestions? I tried this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; after the app has loaded. But i has no effect. I guess the framework is wrapping another application around my application. But WHY!. I cant be a security restrcitions since it does no harm to the client...(i guess?!?) Hope some have a suggstion to remove it (still using smart client tech...of course) Thx in reagards Anders, Denmark x-postet in microsoft.public.dotnet.framework, microsoft.public.dotnet.framework.windowsforms, microsoft.public.dotnet.languages.csharp Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62935
 - 14
 - Issue arbitrary DOS commands Is there a way to issue an arbitrary DOS commands and see the output? The commands will be entered by the user into a text box. I want to be able to handle commands like DIR, COPY, DELETE, etc. I know I could write the code for each of these commands, but I won't necessarily know all of the possible commands that will be issued. I would like to take the text that the user enters into the text box and issue that command as if the process were at a Windows Command prompt. I have looked at System.Diagnostics.Process and System.Diagnostics.ProcessStartInfo but that only seems to handle executing programs, not necessarily issuing commands. Mark Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62933
 - 15
 - Databound Dropdownlist.... I have a databound dropdown list that is using a SQL database to pull an ID field (CVID) as the Value and a name field (ContractVehicle) as the Text. The dropdown populates perfectly from the database however when I attempt to submit the selection to the database using me.ddPMID.DataValueField I receive an error saying that string "CVID" cannot be converted to type integer. The Value field should contain integers as each of them are autonumbered by the database. The code I am using to populate the dropdownlist follows. Any help would be greatly appreciated. Dim connString As String = "server=192.168.25.245;uid=sa;pwd=nuts@sigcom!-1;Initial Catalog=SIGCOMproposal" Dim conn As SqlConnection = New SqlConnection(connString) Dim sql As String = "SELECT * FROM tblContractVehicle ORDER BY ContractVehicle" Dim da As SqlDataAdapter = New SqlDataAdapter(sql, conn) Dim ds As DataSet = New DataSet() da.Fill(ds, "tblContractVehicle") Dim dt As DataTable dt = ds.Tables(0) dt.DefaultView.Sort = "ContractVehicle" Me.ddCVID.DataSource = dt.DefaultView Me.ddCVID.DataTextField = "ContractVehicle" Me.ddCVID.DataValueField = "CVID" Me.ddCVID.DataBind() Me.ddCVID.Items.Insert(0, "--Select a Contract Vehicle--") Me.ddCVID.Items(0).Value = "0" conn.Close() Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62932
 - 16
 - Clearing the download cache on client machines Is there an elegant way to clear the download cache on a client machine? We are deploying a winforms browser and smart client application. Recently we made a mistake with versioning (we release a version with a very large number), and now our internal clients can't download a newer version. Since this is still in house we can install gacutil on people's machines and get it to clear the cache. But this got me thinking, what could we do if this happened with an internet deployed version of application? How does a normal end-user clear their download cache? We can't ask an end-user to install a utility, that would violate the entire purpose of creating a smart-client that runs at the internet trust level. We clearly can't get people to install gacutil. Any idea what to do? Mark Levison "in smart client deployment heck" Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62929
 - 17
 - Getting a list of Roles a user belongs to using Windows Security Principal Hi I have created a windows application in .NET using C# here is the Code Snipp public static void Main() { ... // Tell the CLR to use Windows security AppDomain.CurrentDomain.SetPrincipalPolicy( PrincipalPolicy.WindowsPrincipal); // Get the current principal object WindowsPrincipal prin = (WindowsPrincipal) Thread.CurrentPrincipal; // Determine whether the user is an admin Boolean fAdmin = prin.IsInRole(WindowsBuiltInRole.Administrator); Console.WriteLine("Administrator:" + fAdmin); } As you can see I can determine if the current user belongs to Adminstartor, but is there a method where I can get the list of Roles that a particualr use belongs to. Moreover what is the String equivalent of WindowsBuiltInRole.Administrator so that I can use that string in the method WindowsPrincipal.IsInRole(String); voeivk Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62927
 - 18
 - Asynchronous socket problem w/datagrid Hi All -- I am new to VB.Net so bear with me. I have an application where I need to connect to a remote tcp port synchronously, and then asynchronously wait for a data stream to come from the connection. As data comes in, I want to parse it and add it to a DataSet, to be displayed in a Windows Form Datagrid. To test the idea without fooling with the dataset/datagrid, I wrote my raw asynchronous response to a TextBox using a Receive/ReceiveCallback function pair, as per the MS examples. This works fine with no UI problems. Now that I have added the DataGrid into the mix, any time I do anything (click, scroll, select a cell, resize column) to the UI of the datagrid, it seems like the IO is blocking and the application freezes until some data gets passed and/or the MS Gods are satisfied. I'm not sure what's going on. If I turn off the I/O, the datagrid acts fine. If I don't try to populate the datagrid from my ReceiveCallback function, but rather with static data on Form_Load, that works fine too. When I combine the datagrid with the updates from ReceiveCallback, it gets stuck. Any help appreciated. Thanks, Dave Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62925
 - 19
 - Interacting with a service? Hey, I'm trying to build a component that satisfies the following properties: 1) only one component is ever created and it maintains its state 2) it can be accessed by any thread on the local machine simultaneously (I will do the synchronization myself since I want read/write locks) 3) the component is never deleted 4) I need to call some of its methods It seems like component services are the way to go (or maybe Windows services?) but I can't figure out how to keep the component alive without using JITA. And if I use JITA, synchronization is done for me. And if I use a Windows service, I don't seem to be able to call methods on it. Any suggestions of resources or ideas I can investigate? Thanks in advance. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62921
 - 20
 - overriding operator* in managed c++ is it possible? i see one can override operator+ with op_increment, is there an equivalent for operator*, or has it depreciated for being unsafe? cheers, g. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62918
 - 21
 - ISerializable and SerializableAttribute confusion Hi ! This question was discussed once, but the subject is still unclear: According to Jeffrey Richter article (http://msdn.microsoft.com/msdnmag/issues/02/04/net/default.aspx) one can't serialize the type without declaring it with SerializableAttribute. At the same time, we have to impalement ISerializable if we need some custom serialization. In addition, we find the following in MSDN: "Apply the SerializableAttribute attribute even if the class also implements the ISerializable interface to control the serialization process." (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemSerializableAttributeClassTopic.asp). From all this it can be concluded that ISerializable and SerializableAttribute are not intended to be used one instead of other, but in addition (if needed). However, in Marshal-By-Value Objects section (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconremotableobjects.asp) I find the following: "Marshal-by-value (MBV) objects declare their serialization rules (either by implementing ISerializable to implement their own serialization, or by being decorated with SerializableAttribute, which tells the system to serialize the object automatically)" The "or" there at the middle confuses me... Thanks for clarification. Jean Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62913
 - 22
 - .net equivalent for 'Microsoft Web Browser' com object Is there a .net component which allows me to have a browser object in my vb project ? All it should do is display html files, allow me to navigate to a page, and allow 'next' and 'previous'. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62910
 - 23
 - How to intercept outgoing mail from MS exchange server Hi! Does anybody know if it is possible to implement functionality like MS Exchange Connector gateway using C# code and dotnet. A would like to catch messages outgoing from MS Exchange server with particular email address mask and send them out using proprietary communication sistem since these are virtual email addresses that are not really connected to internet. Any advice is welcome. Thanks, Brane Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62906
 - 24
 - FWD: Try on this critical package from the M$ Corp. --gmeafygerzvqcodqf Content-Type: multipart/related; boundary="bpvmzxxs"; type="multipart/alternative" --bpvmzxxs Content-Type: multipart/alternative; boundary="htgtyvfugfqpx" --htgtyvfugfqpx Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Microsoft Customer this is the latest version of security update, the "November 2003, Cumulative Patch" update which fixes all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three new vulnerabilities. Install now to continue keeping your computer secure from these vulnerabilities, the most serious of which could allow an malicious user to run executable on your computer. This update includes the functionality = of all previously released patches. Microsoft Product Support Services and Knowledge Base articles = can be found on the Microsoft Technical Support web site. http://support.microsoft.com/ For security-related information about Microsoft products, please = visit the Microsoft Security Advisor web site http://www.microsoft.com/security/ Thank you for using Microsoft products. Please do not reply to this message. It was sent from an unmonitored e-mail address and we are unable = to respond to any replies. ---------------------------------------------- The names of the actual companies and products mentioned = herein are the trademarks of their respective owners. Copyright 2003 Microsoft Corporation. --htgtyvfugfqpx Content-Type: text/html Content-Transfer-Encoding: quoted-printable <HTML> <HEAD> <style type=3D'text/css'>.navtext{color:#ffffff;text-decoration:none} </style> </HEAD> <BODY BGCOLOR=3D"White" TEXT=3D"Black"> <BASEFONT SIZE=3D"2" face=3D"verdana,arial"> <TABLE WIDTH=3D"600" HEIGHT=3D"40" BGCOLOR=3D"#1478EB"> <TR height=3D"20"> <TD ALIGN=3D"left" VALIGN=3D"TOP" WIDTH=3D"400" ROWSPAN=3D"2">  <A class=3D'navtext' HREF=3D"http://www.microsoft.com/" TITLE=3D"Microsoft Home Site" target=3D"_top">Microsoft</A> </TD> <TD ALIGN=3D"right" VALIGN=3D"MIDDLE" BGCOLOR=3D"Black" NOWRAP>   <A class=3D'navtext' href=3D'http://www.microsoft.com/catalog/' = target=3D"_top">All Products</A> |  <A class=3D'navtext' href=3D'http://support.microsoft.com/' = target=3D"_top">Support</A> |  <A class=3D'navtext' href=3D'http://search.microsoft.com/' = target=3D"_top">Search</A> |  <A class=3D'navtext' href=3D'http://www.microsoft.com/' target=3D_top> Microsoft.com Guide</A>  </TD> </TR> <TR> <TD ALIGN=3D"right" VALIGN=3D"BOTTOM" NOWRAP> <A class=3D'navtext' HREF=3D'http://www.microsoft.com/' TARGET=3D" top"> Microsoft Home</A>   </TD> </TR> </TABLE>  <IMG SRC=3D"cid:akdplgk" BORDER=3D"0"> <TABLE WIDTH=3D"600"><TR><TD> Microsoft Customer this is the latest version of security update, the "November 2003, Cumulative Patch" update which fixes all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three new vulnerabilities. Install now to continue keeping your computer secure from these vulnerabilities, the most serious of which could allow an malicious user to run executable on your computer. This update includes the functionality = of all previously released patches. </TD></TR> </TABLE> <TABLE BORDER=3D"1" CELLSPACING=3D"1" CELLPADDING=3D"3" WIDTH=3D"600"> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:xcyvgiz" = ALIGN=3D"absmiddle" BORDER=3D"0"> System requirements </TD> <TD NOWRAP>Windows 95/98/Me/2000/NT/XP</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:xcyvgiz" = ALIGN=3D"absmiddle" BORDER=3D"0"> This update applies to </TD><TD NOWRAP> MS Internet Explorer, version 4.01 and later MS Outlook, version 8.00 and later MS Outlook Express, version 4.01 and later </TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:xcyvgiz" = ALIGN=3D"absmiddle" BORDER=3D"0"> Recommendation</TD> <TD NOWRAP>Customers should install the patch = at the earliest opportunity.</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:xcyvgiz" = ALIGN=3D"absmiddle" BORDER=3D"0"> How to install</TD> <TD NOWRAP>Run attached file. = Choose Yes on displayed dialog box.</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:xcyvgiz" = ALIGN=3D"absmiddle" BORDER=3D"0"> How to use</TD> <TD NOWRAP>You don't need to do = anything after installing this item.</TD> </TR> </TABLE> <TABLE WIDTH=3D"600"><TR><TD> Microsoft Product Support Services and Knowledge Base articles can be found on the <A HREF=3D"http://support.microsoft.com/" = TARGET=3D"_top">Microsoft Technical Support</A> web site. = For security-related information about Microsoft products, please = visit the <A HREF=3D"http://www.microsoft.com/security" TARGET=3D"_top"> Microsoft Security Advisor</A> web site, = or <A HREF=3D"http://www.microsoft.com/contactus/contactus.asp" = TARGET=3D"_top">Contact Us.</A> Thank you for using Microsoft products. Please do not reply to this message. = It was sent from an unmonitored e-mail address and we are unable = to respond to any replies. <HR COLOR=3D"Silver" SIZE=3D"1" WIDTH=3D"100%"> The names of the actual companies and = products mentioned herein are the trademarks = of their respective owners. </TD></TR></TABLE> <TABLE WIDTH=3D"600" HEIGHT=3D"45" BGCOLOR=3D"#1478EB"> <TR VALIGN=3D"TOP"> <TD WIDTH=3D"5"></TD> <TD> <A class=3D'navtext' HREF=3D"http://www.microsoft.com/= contactus/contactus.asp" TARGET=3D"_top">Contact Us</A>  |  <A class=3D'navtext' HREF=3D"http://www.microsoft.com/legal/" = TARGET=3D"_top">Legal</A>  |  <A class=3D'navtext' HREF=3D"https://www.truste.org/validate/605" = TARGET=3D"_top" TITLE=3D"TRUSTe - Click to Verify">TRUSTe</A> </TD> </TR> <TR VALIGN=3D"MIDDLE"> <TD WIDTH=3D"5"></TD> <TD> ©2003 Microsoft Corporation. All rights reserved. <A STYLE=3D"color:#FFFFFF;" HREF=3D"http://www.microsoft.com/= info/cpyright.htm" TARGET=3D"_top">Terms of Use</A>  |  <A STYLE=3D"color:#FFFFFF;" HREF=3D"http://www.microsoft.com/= info/privacy.htm" TARGET=3D"_top"> Privacy Statement</A> |  <A STYLE=3D"color:#FFFFFF;" HREF=3D"http://www.microsoft.com/= enable/" TARGET=3D"_top">Accessibility</A> </TD> </TR> </TABLE> </BODY> </HTML> --htgtyvfugfqpx-- --bpvmzxxs Content-Type: image/gif Content-Transfer-Encoding: base64 Content-ID: <akdplgk> R0lGODlhaAA7APcAAP///+rp6puSp6GZrDUjUUc6Zn53mFJMdbGvvVtXh2xre8bF1x8cU4yLprOy zIGArlZWu25ux319xWpqnnNzppaWy46OvKKizZqavLa2176+283N5sfH34uLmpKSoNvb7c7O3L29 yqOjrtTU4crK1Nvb5erq9O/v+O7u99PT2sbGzePj6vLy99jY3Pv7/vb2+fn5++/v8Kqr0oWHuNbX 55SVoszN28vM2pGUr7S1vqqtv52frOPl8CQvaquz2Ojp7pmn3Ozu83OPzmmT6F1/xo6Voh9p2C5z 3EWC31mS40Zxr4uw6LXN8iZkuXmn55q97PH2/Yir1rbL5iVTh3Oj2cvX5Pv9/+/w8QF8606h62Wk 3n+dubnY9abB2c7n/83h9Nji6weK+CGJ4Vim6WyKpKWssgFyyAaV/0Km8Gyx6HW57FJxicDP2+Tt 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 - set header Footer of word document hello please help to set header footer of word document using vb.net program Thank you Manesh Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62896
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 - Using The Equivalent Of 'On Error Resume Next' In A Try/Catch Hi All. I have a try catch block which may encouter an error with an empty field: ***** Code Start ***** Try txtPartNumber.Text = Datarow.Item("PartNumber") txtPartDescription.Text = Datarow.Item("PartDescription") txtPartNumber.Text = Datarow.Item("PartNumber") Catch ex as system.exception End Try ***** Code End ***** I would like to use something like the old on error resume next, which would ignore the error and continue with the next line of code. How would i do this in this example? One way is to enclose each statement in a try catch itself, but this makes the code look terrible, whereby it was easy enought pre-,net with the on error resume next. Many Thanks Alex Stevens Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62894
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 - Asynchronous calls Hi all, Is there a way to cancel an asynchronous call? For example, using the Socket class, if you call BeginReceive, can you cancel the call if some timeout has expired? Thank you in advance for your help Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62893
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 - UNINSTALLING VISUAL STUDIO.NET 2002 Pro I am trying to Uninstall The VS.NET 2002 Pro and it tels me <there was an error processing setup data files. Please Contact product support if this problem persists.> i click ok and then <A problem has been encountered while loading the setup components. Canceling setup.> and i click again ok and nothing happens . How can i remove it from my computer? Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62892
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 - Reference problems & custom controls disappearing Hi all, I really hope someone out there can help me as I've been tearing my hair out on this one for a good while and I'm getting really frustrated now! My problem is this - my custom controls periodically disappear from my project when I build it. First of I get the message about a missing dependency, then if I rebuild after that - the control just physically disappears from the form, and I get an object not found error when I run, (though sometimes when I rebuild the control can reappear) My background - I'm working in a small team of developers, we are using vb.net in visual studio with visual source safe. As I've said I've been battling with this for a while and have done some reading on this - I know that it is to do with references. Therefore I am trying to do what all the Microsoft articles I've read recommend with regard to references: - setting copy to local = true, using project references not file references, and setting the build order but to no avail. (Incidentally I still get this problem when using file references). Some more information - the custom controls are using a data access object, and this data access object is also being used by another object which the main form also uses. It is the reference to this data access object that is the one that that I get the message about the missing dependency. Please help - now to add insult to injury - I can not now even re-add my custom control from the toolbox. I can put it into the toolbox but when I try to drag it from the toolbox on to the form on nothing happens- not even a warning message. Many thanks Suzanne Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62891
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 - HELP - ".Net" user interface under Internet Explorer.. what to do ? Hello all, Once windows mmi programming was very easy - vb forms.. nice & easy. nowdays, our customers have became IE freaks !!! So, my question is, what is the best way to develop mmi in the ".Net" environment, over an intranet / lan environment. the first alternative is "Asp.Net".. though Microsoft is trying to push it very hard, to me the idea seems to be very wrong. I think that client code should be seperated from server code. Mixing client & server code (without even mentioning screen refreshe issues) does not feel right to me and my co-workers. The second alternative is pure html code (+xml islands). I dont like this idea... developing html in the 21 century seems a bit retro and difficult. My last alternative is ".Net Winforms" under IE. does anoyone has experience with this alternative? theoreticly it seems to be a perfect idea.. is it? Thanks in advance, Eran Eldor Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62888
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 - When is it unsafe to use static members in your class? Hi all, I understand the concept of static fields and members inside a class and the fact that static members belong to the class rather than to an instance of the class. I also understand that each class that calls a static member of another class takes a copy of that member into its own thread and therefor it's safe to call a static member concurrency wise. I have 3 questions though: 1. Are my above understandings correct? 2. when is it unsafe to call/use static members in a class 3. when should one use static members and when shouldn't he? Any info would be greatly appreciated! Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62886
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 - BUG or BY DESIGN? Filehandling on .NET is not windows compatible for NTFS and FAT Hi, On the file handling methods, if you are dealing with files (Windows filesystem is case INSENSITIVE) yet when you specify file A.BLAH and its a.blah on windows, you get FileNotFoundException. If this by design for cross platform and different file systems or a bug? Shouldnt this be defaulting to INSENSITIVE instead of SENSITIVE on windows NTFS (for FATxx for that matter)? Thanks. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62885
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 - TCP/IP app Desgin Question this is a question on how to design an TCP Listener application. background: There will be several threads that listen on several ports (one per port). when another app requests to connect, the connection will be accepted. then messages will be received and passed to the main thread via a delegate or event for processing. Messages will also be sent in return to the other application in an asynchronous manner. Questions: 1) from what it seems to me, delegates are thread safe but events are not. is this true? should i use delegates to call back to the main thread rather than events? 2) what is a clean way to have the main thread pass a message to a listener thread to write messages? (a reverse call back) thanks for your help m Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62882
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 - .net framework-newbie I'm a .Net learner.I've got few questions to ask.could anyone please help me out? What exactly is .Net framework ? What is .Net framework SDK? Is there any difference between environment and platform? If so,what?(few examples) What are the components of Visual studio.net? What are the .Net web development tools? thnaks in advance, reiks Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62874
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 - Trace Switch Issue Hi, I'm having a strange problem with the BooleanSwitch loaded from a config file.  <configuration> <system.diagnostics> <switches> <add name="switchOn" value="1" /> </switches> <trace autoflush="false" indentsize="4"> <add name="TextListener" type="System.Diagnostics.TextWriterTraceListener, System" initializeData="trace.log" /> </trace> </system.diagnostics> </configuration> // The code BooleanSwitch s = new BooleanSwitch("switchOn", "bla"); Console.WriteLine(s.Enabled); s.Enabled is always false, regardless the value in config file. If I remove the trace element from the config file, s.Enabled is initialized correctly according to its value. I've tried the different permutations of full type name for the TextWriterTraceListener: type="System.Diagnostics.TextWriterTraceListener, System, version=1.0.5000.0, culture=neuture, PublicKeyToken=b77a5c561934e089" But the result is always the same. I'm using VS.NET 2003 with .NET Framework 1.1 on Windows XP. Does anyone have the same problem? Any solutions? Thanks, Donald Xie Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62872
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 - .aspx page will not run For some reason my web server does not recognize .aspx pages. I get this error: A dynamic link library (DLL) initialization routine failed. It's a stand alone W2k server with IIS 5.0. Thanks Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62865
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 - Extracting .NET framework 1.1 failed I'm trying to extract the files from the dotnetfx.exe file with the /T:<path> and /C switches, but every time I try, it pops up an error saying "Extracting file failed. It is most likely caused by low memory (low disk space for swapping file) or corrupted Cabinet file." I've downloaded and tried it on two different PC's and I'm constantly getting the same error. Thanks. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62863
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 - What's my Mode? What might be the best way to detect in code whether (C#) system is in design mode or running? In other words, how to tell the system if I want something to happen in a control constructor when I am dropping the control onto a form, but don't want it to happen when the control is initialized in a running form. Thanks! Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62861
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 - Namespace Security Is there any way to secure a Namespace so that it can only be accessed from a designated Namespace? I believe there is a way but cannot locate the exact sytax to do so. Thanks Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62860
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 - Regex - NFA, DFA, POSIX - seeking clarification The framework help says: "Microsoft .NET Framework regular expressions incorporate the most popular features of other regular expression implementations such as those in Perl and awk. Designed to be compatible with Perl 5 regular expressions, .NET Framework regular expressions include features not yet seen in other implementations, such as right-to-left matching and on-the-fly compilation." Perl is traditional NFA (non-POSIX), while awk (and most of its derivatives) are DFA (which are mostly POSIX anyway), so the help is a little ambiguous regarding the nature of Regex's engine ..NET's Regex doesn't (seem) to implement the POSIX longest-leftmost mandate. Jeffrey E. F. Friedl explains this mandate using the expression "(to|top)(o|polo)?(gical|o?logical)" and an input of "topological" (ignore the quotes) A POSIX engine would be expected to return "top", "", and "ological" for the subexpressions (see Mr. Friedl's book for an explanation of why). However, .NET's Regex returns "to", "polo", and "gical" So, is it NFA, DFA, semi-POSIX, or ...? Or, am I doing something wrong (a real possibility) Thanks in advance for any additional info or resources you might provide Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62859
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 - How to create SSL socket? Does anyone know how to create an SSL socket using the .NET Framework? Jon Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62856
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 - Shortcut I am development an application in C# and i want to know this: How can i create a new sortcut for a file having the path of that file. Thanks. Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62853
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 - Register Primary Interop Assembley I have a Windows Form app that uses the Windows Media Player Active-X control. It works fine on my development machine, but on a client computer the app crashes becuase the wmppia.dll hasn't been registered and installed in the global assembly cache. I 've looked around and can't find a way to automaticlly register the wmppia.dll during installation. So as a test, I followed the instructions the do it manually on a non-development machine that had Framework 1.1.4322 on it. I can "regasm c:\Program Files\MyProgram\wmppia.dll" with no problem. But the Global Assembly Cache installer; Gacutil.exe is missing. Isn't this supposed to come with the Framwork? If not, how can I expect my end users to have it? My question goes back to my origional thought: How can I set up my installer to automaticlly register and install the wmppia.dll to the Global Assembly Cache? thanks Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62850
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 - Question - >net framework 1.1 install without admin rights Hi, is it possible to install .net framework 1.1 redistributable without administrator privileges. Thanks .... Joe Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62849
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 - File stuck open after ThreadAbortException Hello, I am having a problem in which a file can get stuck open when a thread that is attempting to write to it gets aborted (ThreadAbortedException occurs). The log file gets stuck open until the process is shut down (cannot delete file from Windows Explorer, for example). My test application stops execution with: An unhandled exception of type 'System.IO.IOException' occurred in mscorlib.dll Additional information: The process cannot access the file "c:\abort_test.txt" because it is being used by another process. I figured I was not closing things properly, but I think I'm OK. I created a simple test application and am still stumped. Here's my code (added to a visual studio.net 2003 Windows application): public static void ThreadProc() { // Just keep writing to the log file until thread gets aborted for (; true;) { try { using ( FileStream fs = File.Open(@"c:\abort_test.txt", FileMode.Append,FileAccess.Write)) { using (StreamWriter sw = new StreamWriter(fs)) { sw.WriteLine(DateTime.Now.ToString()+" A line of text"); } } } catch (ThreadAbortException e) { using ( FileStream fs = File.Open(@"c:\abort_test2.txt", FileMode.Append,FileAccess.Write)) { using (StreamWriter sw = new StreamWriter(fs)) { sw.WriteLine(DateTime.Now.ToString()+ e.Message + "--" + e.StackTrace); } } } Thread.Sleep(0); } } private void Form1_Load(object sender, System.EventArgs e) { // Sometimes code aborts in non-harmful places, so loop enough times to almost guarantee a problem for (int i = 0; i < 10; i++) { Thread t = new Thread(new ThreadStart(ThreadProc)); t.Start(); Thread.Sleep(1000); t.Abort(); t.Join(); } } Here's the contents from my c:\abort_test2.txt: 11/14/2003 3:43:02 PMThread was being aborted.-- at Microsoft.Win32.Win32Native.CreateFile(String lpFileName, Int32 dwDesiredAccess, FileShare dwShareMode, SECURITY_ATTRIBUTES securityAttrs, FileMode dwCreationDisposition, Int32 dwFlagsAndAttributes, IntPtr hTemplateFile) at Microsoft.Win32.Win32Native.UnsafeCreateFile(String lpFileName, Int32 dwDesiredAccess, FileShare dwShareMode, SECURITY_ATTRIBUTES securityAttrs, FileMode dwCreationDisposition, Int32 dwFlagsAndAttributes, IntPtr hTemplateFile) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync, String msgPath, Boolean bFromProxy) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at System.IO.File.Open(String path, FileMode mode, FileAccess access, FileShare share) at System.IO.File.Open(String path, FileMode mode, FileAccess access) at TestFileAbortProblem.Form1.ThreadProc() in c:\programs\dotnet\testing\testfileabortproblem\testfileabortproblem\form1.cs:line 98 Any ideas on how I can make sure the file gets closed or how I can prevent the ThreadAbortException exception from being thrown during file manipulation? Thanks in advance, Mark Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62847
 - 21
 - Unhandled Exception handler I'm trying to install an UnhandledException handler in a Console application. I have done the following as the first few lines of code in Main: AppDomain currentDomain = AppDomain.CurrentDomain; currentDomain.UnhandledException += new UnhandledExceptionEventHandler(HandleTheException); Then my handler is defined: public static void HandleTheException ( object sender, UnhandledExceptionEventArgs e ) { Console.WriteLine ( "Exception: {0}", (Exception)e.ExceptionObject).Message ); Console.ReadLine ( ); } When an UnhandledException is thrown and I have the JIT debbugging options all UN checked I still get a dialog that has "Common Language Runtime Debugging Services" in the title bar and a message saying that the application has generated an exception that could not be handled. Click OK to terminate that application or Click CANCEL to debug the application. If I click OK then my handler gets invoked. Is there any way to disable this dialog box? I just want my handler to do all the work with no other dialogs. Thanks Ken Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62845
 - 22
 - Question about framework 1.1 Does anyone know if and where we can check the source code for the .net framework 1.1 class library? Just like the MFC class library? Thanks. Roy Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62832
 - 23
 - Question Does anyone know if and where we can check the source code for the .net frame class library? Just like the MFC class library? Thanks. Roy Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62831
 - 24
 - Insert a clob into Oracle I have to store a large XML document in a Oracle Database (9i). I have specified a field as a clob. Can someone show me some code (c#) how to insert this. Thanks Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62827
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 - include image file in an other type of file. Hi group I try to include a image file into my App type of file (.MyApp files), like you can add image in your word .doc. When i open my open a .MyApp file, i need that the image file containing in appears in a PictureBox. for the momment i create a new image file (.GIF .JPG .BMP ...) which i add in my picture box, and after i used it, i delete it. How can i do to create some kind of temporary image file to populate my picture box, without create file, the perfection consist inhave a byte[] in place of a file. thank you for your help ROM Tag: October 2003 .NET Framework SDK Documentation Update Tag: 62826

Hi,

Is anybody here able to install the October 2003 SDK Documentation update
available on this page:

http://www.microsoft.com/downloads/details.aspx?FamilyId=2EAEB501-C197-4892-9C50-8F6BE1B0D4E0&displaylang=en

I got an error message saying that

"The upgrade patch cannot be installed by the Windows Installer service
because the program to be upgraded may be missing, or the updgrade patch may
update a different version of the program. Verify that the program to be
upgraded exists on your computer and that you have the correct upgrade
patch."

It's so strange since I have both .NET Framework SDK version 1.1. and MSDN
April 2003 installed on my machine. Also, I use the same language (English)
for both.

Thanks.

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