CLR Profiler Hotspots Tracker Sample

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  - 1
    - System.OutOfMemory exception: error creating window handle Hi, Software: .NET 1.1 (both non-SP and SP1) Visual Studio .NET 2003 MS SQL Server 2000 SP3 Windows XP SP 2 Hardware: Intel Celeron 1700, Pentium 4 2.4GHz, AMD Athlon 1100 RAM 256-512 DDR I've run into a strange problem. There is an application which allows to: 1) connect to a certain device using a modem 2) manage different aspects (mostly, working with MS SQL Server) Serial communication is done on a separate thread, one per each connection. The maximum number of simultaneous connections is 20. Note: what is written below applies only when running the application not under the debugger. The app starts and works correctly: accepts incoming calls, performs different scenarios, dials out when necessary. When the comms thread needs to modify the UI, it is correctly done using Control.BeginInvoke. However, sometimes (on different computers) the following exception is thrown: System.OutOfMemory exception: error creating window handle ---> System.NullReferenceException: Object reference not set to an instance of object. at System.Windows.Forms.ThreadContext.OnThreadException at System.Windows.Forms.Control.WndProcException at System.Windows.Forms.ControlNativeWindow.OnThreadException at System.Windows.Forms.NativeWindow.Callback(IntPtr, Int32, IntPtr, IntPtr) at System.Windows.Forms.UnsafeNativeMethods.IntCreateWindowEx(int32, string, string, int32, int32, int32, int32, int32, HandleRef, HandleRef, HandleRef, object) at System.Windows.Forms.UnsafeNativeMethods.CreateWindowEx(int32, string, string, int32, int32, int32, int32, int32, HandleRef, HandleRef, HandleRef, object) at System.Windows.Forms.NativeWindow.CreateHandle(CreateParams) -- End of inner exception stack trace -- at System.Windows.Forms.ThreadContext.OnThreadException at System.Windows.Forms.Control.WndProcException at System.Windows.Forms.ControlNativeWindow.OnThreadException at System.Windows.Forms.SafeNativeMethods.ShowWindow(HandleRef, int32) at System.Windows.Forms.Control.SetVisibleCore at System.Windows.Forms.Form.SetVisibleCore at System.Windows.Forms.Control.set_Visible at System.Windows.Forms.Form.ShowDialog(IWin32Window owner) at System.Windows.Forms.Form.ShowDialog at <my form-my code to ShowDialog> What could be the problem? Let me stress that this does not happen under debuggers. When debugging, the exception is not thrown. It was noted that this happens more often when having an active connection. -- Regards, Serge (Logic Software) Tag: CLR Profiler Hotspots Tracker Sample Tag: 84822
  - 2
    - Passing parameters to a thread Hi, I'm running into a thread problem. The context is a distributed application constituted of a controller and several satellites performing a given job. In the controller application, I have to send command requests over the network to a list of satellites. In order to parallelize request sending, I'd like to have each request (one per satellite) sent by a single Thread. The problem is how would a given thread know which satellite he should be taking care of since it seems like I can't pass parameters to a thread. My threads can have access to the list (a Hashtable actually) of satellites, but how would a given thread know exactly which one it should be taking care of ? I would need, at least, to pass an index to each thread... Any idea or comment is welcome. Thanks in advance. Arno Tag: CLR Profiler Hotspots Tracker Sample Tag: 84816
  - 3
    - Compatibility Issues with .NET Framework Hello: My Problem is simple. I develop vb.net applications using VisualStudio 2003, and now there's a strange problem. I wrote a backup application for a friend of mine, using SharpZipLib to create ZIP-Files. Now I installed the latest dot-Net Framework on his Win2K machine, and I got the following error Message: "C:\WinNT\Microsoft.NET\v1.1.4332\mscorwks.dll could not be loaded". I figured out that I always need to install the exact .NET Framework-Version number on the computer the application should be running on, as I used to develop Software, and now I'm afraid to install the latest .NET Service Pack, since I suppose all software that is beeing re-built afterwards won't run on the target computer unless the user also installs the latest service pack. Why is this so, and how can I fix this ? If I create an Installer-application using the Installer-Wizzard in Visual Studio it won't even start, complaining that not the right version of the .NET Framework is installed, and I can only find my exact version of the framework on the Visual Studio DVD nowhere else ! Thanks a lot for your efforts ! Tag: CLR Profiler Hotspots Tracker Sample Tag: 84806
  - 4
    - Is there a delcaration between Private and Friend Is there a delcaration between Private and Friend In one form I declared private iParentID0 as integer I couldn't access it from another form. If I changed it to friend iParentID0 as integer Of course I could. However I'd like to expose this integer to only certain other classes - in this case forms. Is there any easy way of doing this? Another question is whether it's worth bothering implementing a workaround ( if one of you have one ) when vs 2005 might include an intermediate declaration, or an easier workaround. Does anybody know if it does? Dennis Tag: CLR Profiler Hotspots Tracker Sample Tag: 84804
  - 5
    - Is there a delcaration between Private and Friend Is there a delcaration between Private and Friend In one form I declared private iParentID0 as integer I couldn't access it from another form. If I changed it to friend iParentID0 as integer Of course I could. However I'd like to expose this integer to only certain other classes - in this case forms. Is there any easy way of doing this? Another question is whether it's worth bothering implementing a workaround ( if one of you have one ) when vs 2005 might include an intermediate declaration, or an easier workaround. Does anybody know if it does? Dennis Tag: CLR Profiler Hotspots Tracker Sample Tag: 84802
  - 6
    - How do I handle the kill signal? Hi, I would like to know if there is a way in the .NET to handle the kill signal if sent to my process. I want my application to close properly even if the user is using the task manager to kill the process. Does anybody know how to do this? Thanks, Haim. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84797
  - 7
    - Installer Custom Actions - Missing InstallState on rollback Hi, When installing an MSI installation containing a number of custom actions, if the installer fails on the first custom action, during rollback, the installer will display an error dialog complaining that it cannot find the InstallState files for each custom action. And no wonder, since it hadn't even begun executing the rest of them. is there any way, other than providing a custom external UI for the MSI and filtering them out, to prevent these dialogs from being displayed? Thanks! Tag: CLR Profiler Hotspots Tracker Sample Tag: 84789
  - 8
    - Installer Custom Actions and MSI "Repair" Hi, When executing an MSI containing .NET Installer custom actions in "repair" mode, what exactly happens? - Does the Uninstall method get called, then the Install method? - If the Install method then fails, and the "repair" has to rollback, does the rollback method get called? - Does this mean you have to backup any files removed while repairing in case they have to be restored? - How do you know if you are executing in repair mode? Tag: CLR Profiler Hotspots Tracker Sample Tag: 84788
  - 9
    - Updating Net Framework Issue Hi there, The Windows update site recommends that I update 1) Microsoft .NET Framework 1.0 Service Pack 3, English Version and 2) Microsoft .NET Framework 1.1 Service Pack 1. Having selected them and tried to update, the download works fine, but I get an error: "SL18D.tmp - Common Language Runtime Debugging Services" Application has generated an exception that count not be handled. Process id=0x708 (1800), Thread id=0x910 (2320)." Any thoughts on what I can do to avoid this? Thanks, -------------- Daniel Gardner Tag: CLR Profiler Hotspots Tracker Sample Tag: 84778
  - 10
    - AppDomain.CreateInstanceAndUnwrap of shared (GAC) assemblies Hi everyone, I am trying to load a shared assembly in it's own application domain. I created a simple Windows Application with 1 button that executes the code below. It is trying to load a very simple assembly 'ClassLibrary1' that is located in the GAC. The call to CreateInstanceAndUnwrap is unable to locate the assembly. I have no clue as to why the application domain can't load a shared assembly, any help is welcome. // Prepare Setup AppDomainSetup appDomainSetup = new AppDomainSetup(); appDomainSetup.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory; appDomainSetup.ApplicationName = "MyAppDomainName"; // Create Application domain AppDomain myAppDomain = AppDomain.CreateDomain("MyAppDomainName", null, appDomainSetup); try { // Load shared assembly myAppDomain.CreateInstanceAndUnwrap("ClassLibrary1", "ClassLibrary1.Class1"); } catch(Exception ex) { // Crashes with message "File or assembly name ClassLibrary1, or one of it's dependencices was not found." MessageBox.Show(ex.Message); } Tag: CLR Profiler Hotspots Tracker Sample Tag: 84777
  - 11
    - Difference between System eventlog and those created by EventLog c Hi, My application write custom event log (i.e. NOT to the standard "system", "application" or "Security" ones) using the EventLog class in .NET. The code is essentially the same as those included in the MSDN library document for EventLog. using System; using System.Diagnostics; using System.Threading; class MySample{ public static void Main(){ // Create the source, if it does not already exist. if(!EventLog.SourceExists("MySource")){ EventLog.CreateEventSource("MySource", "MyNewLog"); Console.WriteLine("CreatingEventSource"); } // Create an EventLog instance and assign its source. EventLog myLog = new EventLog(); myLog.Source = "MySource"; // Write an informational entry to the event log. myLog.WriteEntry("Writing to event log."); } } I found that these event logs I created using EventLog are ***different*** from those default event logs come with XP (again, those "System", "Application" etc.) For one, althogh I can see the event in EventViewer without problem, but when I right click on my event log (for example, "MyNewLog", which is created using the above sample), the properties for it is different from those for the default system event log. The log name field is greyed out (empty) and the Size, Created, Modified, and Accessed values are all empty (shown as "Not avaiable". The problem is that I tried to access my custom event log using the WMI. With script such as this one: Select * from Win32_NTEventlogFile It only returns 3 objects, namely the default system event log ("system", "application", and "security"). My custom event log file is NOT returned. The static EventLog.GetEventLog (in .net) does returns me the correct collections of event log files. But my application requires me to access those files through WMI. I am stuck at here. I have spend quit sometime trying to find out why. Any help will be appreciated. Thanks. David Tag: CLR Profiler Hotspots Tracker Sample Tag: 84776
  - 12
    - Avoiding security issue with URL? I use one page as a template and include a header, footer, and allow the main content area to change, based on a varible I supply via the URL. The variable holds a reference to another page and pulls it into the main page. Going from the main page to pageB will look like: index.asp?p=page Sometimes I append other URL parameters. These may be values, such as a user ID, that goes into the database to set conditions on a stored procedure. This is a security risk. Some one could manipulate this value and access another user's information. What are some examples of good security for this situation? Thanks, Brett Tag: CLR Profiler Hotspots Tracker Sample Tag: 84773
  - 13
    - ANN: NetCF MVP Hosted Chat tomorrow Just a reminder that we'll be hosting an online chat tomorrow concerning Smart Device Programming with Visual Studio .NET 2003. We will be on hand ready to answer your questions, so bring 'em on! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Title: Smart Device Programming with Visual Studio .NET 2003 Chat Date: October14th 10:00am - 11:00am Pacific Time 1:00pm - 2:00pm Eastern time 17:00 - 18:00 GMT/BST Description: You know them from the newsgroups! You love them for their immense knowledge! Please join these amazing Microsoft MVPs in this live chat regarding the .NET Compact Framework and the Smart Device Programming features of VS.NET. The .NET Compact Framework is a subset of the .NET Framework designed to allow .NET developer to target smart devices. The Smart Device Programming features of VS.NET allow embedded developers to target devices running the Compact Framework. To join this chat, please log on via the main MSDN chat page at: http://msdn.microsoft.com/chats ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-- -- Thanks! Michael Fosmire MVP Lead, Windows Embedded/.NET Compact Framework This posting is provided AS IS with no warranties, and confers no rights. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84772
  - 14
    - How to submit bug report? How does one go about submitting a bug report to Microsoft for a defect in the .NET framework v1.1.4322? I was able to find a site for reporting bugs in the upcoming VisualStudio 2005 but nowhere could I find a way to submit bug reports for any other product. Is there a way to submit a bug report for v1.1 of the .NET framework or are any idiosyncrasies to be treated as features ;) Thanks Tag: CLR Profiler Hotspots Tracker Sample Tag: 84770
  - 15
    - Reading CD Drive causes Message popup Hi, Windows displays a dialog box when I attempt to read files from a CD Drive and there is not a CD loaded. Anyone know how to stop this dialog from being displayed? Following is code used to read drive. drivePath is equal to @"d:\" and d is my CD rom drive. Directory.GetFiles ( drivePath, searchPattern ); The dialog box has the following message "There is no disk in the drive. Please insert a disk into drive D:." There are three buttions: Cancel, Try Again, and Continue. Pressing continue causes the following exception. Source: mscorlib Exception Type: System.IO.IOException Message: The device is not ready. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84769
  - 16
    - Problem with security I use the security tool mscorcfg.msc to configure a new policy level under machine level i set a condition type of URL with value file:///C:/testfolder/* i create a new permission named myperm oly with UIpermission set to No Windows I assign this permission myperm to the level i created before i move a simple windows form executable to c:/testfolder It works normally, it should throw a security exception isn't it? or maybe i forgot someting or misunderstood something?. Can somebody help me to understand policy levels? Thanks Tag: CLR Profiler Hotspots Tracker Sample Tag: 84767
  - 17
    - ngen.exe Where is kept native code at use of the utility ngen.exe? P.S. Sorry of my english Tag: CLR Profiler Hotspots Tracker Sample Tag: 84762
  - 18
    - threadpooling problem? I am programming a asyncronous server with .NET using ThreadPool.. Basicly Client connected to server using TCP sockets When I test the program until 25 client server can respond all clients.but after 25. client connected server cant respond other clients!where is the problem? when a client connected i want to check socket if data avaible.. ThreadPool.QueueUserWorkItem(new WaitCallback(CheckSocket),_socket); .... the CheckSocket callback: private void CheckSocket(object state) { while(_connected) { if(_socket.Poll(-1, SelectMode.SelectRead)) { if(_socket.Connected) { .... } } } Tag: CLR Profiler Hotspots Tracker Sample Tag: 84751
  - 19
    - Missing Assembly Reference / ListIem in a Windows App I'm trying to work through an MSDN example, this is the link.. http://msdn.microsoft.com/library/default.asp?url=/msdnmag/issues/01/02/winforms/toc.asp It is a Windows App but VisualStudio (2003) objects to 'ListItem', If I create a Web App, I can use the ListItem object, which needs using System.Web.UI . If I create a Windows App then I can't use using System.Web.UI it suggests I might be missing an Assembly Reference. I'm not sure what to do? Tag: CLR Profiler Hotspots Tracker Sample Tag: 84746
  - 20
    - GetFiles with 2 extensions in the Search Pattern I want to do a Search Pattern for .jpgs and .tifs. I can do one or the other: GetFiles(pathString, "*.jpg") 'or GetFiles(pathString, "*.tif") But I want a search pattern that does both. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84745
  - 21
    - Parsing of App.config varies by machine I've run into a strage and frustrating problem. I've written some configuration classes that implement IConfigurationSectionHandler to read custom sections in my App.config file. On my primary development machine they work great. This morning I started debugging the application on a different machine and I'm getting ConfigurationExceptions in my classes. The problem seems to be that the App.config is being read differently; it tries to parse whitespace that it didn't on the first machine. Here is my Create() method: public object Create ( object parent, object configContext, System.Xml.XmlNode section) { Hashtable servers = new Hashtable(); foreach (XmlNode srvNode in section.ChildNodes) { NameValueSectionHandler h = new NameValueSectionHandler(); NameValueCollection nvc; nvc = (NameValueCollection) h.Create(parent, configContext, srvNode); // this is where exceptions are being thrown int id = Convert.ToInt32(nvc["ID"]); servers.Add(id, new Server( nvc["Node"], nvc["User"], nvc["Password"], id)); } return servers; } Here is the relevant section of App.config: <Servers> <srv1> <add key="ID" value="1" /> <add key="Node" value="node1" /> <add key="User" value="XXXXXX" /> <add key="Password" value="XXXXXX" /> </srv1> <srv2> <add key="ID" value="2" /> <add key="Node" value="node2" /> <add key="User" value="XXXXXX" /> <add key="Password" value="XXXXXX" /> </srv2> </Servers> I've done some experimenting and found that on the second machine (where the code is failng) the foreach loop is executed five times. On iterations 1, 3 and 5, srvNode contains just whitespace (InnerXml == "" and InnerText consists of \r\n's and \t's) and on iterations 2 and 4 srvNode contains the proper child nodes (<srv1> and <srv2>, respectively) as expected. On the machine I originally wrote the code on, the loop is executed only twice, once for each child node of <Servers>. Does anyone have an explanation for this? I haven't changed any machine-level configurations that I'm aware of. Thanks. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84744
  - 22
    - how can i using SetRop2 function in GDI+ I want use SetRop2, but I can't find any method to provide the Setrop2 function in .net framework. Is there any method to provide this function in .NET without using P/Invoke? -- White Rong Tag: CLR Profiler Hotspots Tracker Sample Tag: 84743
  - 23
    - Regex Woes I'm attempting to check a string and see if it has any other characters besides numeric. Using the following pattern "[^0-9]*", I figured it would find a successfull non-numeric character if it was matched against a string and it does just fine. My question/problem is that when I match the pattern against a string simply like "3", even though there aren't any non-numeric characters present, it still reports success. I wrote this pattern using Expresso (http://www.ultrapico.com) and when using Expresso, the pattern behaves as expected (reports success when non-numeric char's are presents and doesn't report success when only numeric char's are present). However when using the following snippet: Regex ex = new Regex(@"\D*"); // or @"[^0-9]*" if (ex.Match("3").Success) Console.WriteLine("I'm busted"); It seems to find a match even though I'm explicitly telling it to match non-numeric characters. Any ideas? Thanks! - James http://www.dotnetwookie.com/blog/hamaze/ Tag: CLR Profiler Hotspots Tracker Sample Tag: 84739
  - 24
    - Object deserialization issue I have a class marked as [Serializable]. This class contains private members that I don't need to serialize, as such I've tagged their declaration as [NonSerialized]. Most of these members are initialized in the constructor of my class. The serialization and deserialization works fine BUT, when deserializing (hence re-creating objects graph) I'm loosing these non-serialized members initialization. I thought that the object constructor would be executed anyhow, which doesn't seem to be the case. Here is my code snippet: [Serializable] public class Satellite { private String ip; // This member will be serialized private int port; // This member will be serialized [NonSerialized] private String _status; // Volatile info, no need to be serialized [NonSerialized] private int _statusCode; // Volatile info, no need to be serialized public void Satellite() { this._status = "Unknown"; this._statusCode = 0; } } Any idea, comment or documentation pointer is welcomed. Thanks in advance. Arno Tag: CLR Profiler Hotspots Tracker Sample Tag: 84738
  - 25
    - User Controls in .NET Framework 2.0 Beta when i used VS Web Express, i created a custom user control .ascx it doesn't allow to inherit other base classes than System.Web.UI.UserControl. i have a base class called => public class PortalModuleControl : System.Web.UI.UserControl Then i try to inherit my .ascx class to PortalModuleControl class. public partial class MyControl : ASPNetPortal.PortalModuleControl The compiler generate the following error: Partial declarations of 'ASPNetPortal.MyControl' must not specify different base classes Anyone know why it doesn't work? Tag: CLR Profiler Hotspots Tracker Sample Tag: 84736
- Next
  - 1
    - Class Library Reference --> Javadoc Style I am coming from the Java World, and I was wondering if anyone knew of a tool, or XSL document, that would convert the normal Tree based Class Library docs to have the same format as Javadoc does? For example, it would have 3 Frames: Top Right Col: Namesapces Bottom Right Col: Class in Namespaces Left Col: Methods/Properties, etc of the Class selected in the bottom Right Col. Thanks in advance, Aaron Tag: CLR Profiler Hotspots Tracker Sample Tag: 84730
  - 2
    - FileSystemWatcher & FTP Hello, Is it normal that the FileSystemWatcher don't launch the created event if a file is FTP'ed and did it when it is copied from other folder? Is there any way to achieve this? Regards, Alfredo Tag: CLR Profiler Hotspots Tracker Sample Tag: 84724
  - 3
    - *URGENT Comparing objects stored in hashtable/collection Hi! I need to compare objects that I store in HashTable by using Add method and passing object as first param, and a unique key string as second. Later on I iterate through this collection and need to compare the object stored in the HashTable to another object that's obtained as one of the params in a call to an event. Example code (i'm skipping most declarations to avoid long post): Private Shared Sub OnChanged(ByVal source As Object, ByVal e As FileSystemEventArgs) Dim fsw as FileSystemWatcher fsw = source myEnumerator = hshtable.GetEnumerator() While myEnumerator.MoveNext if myEnumerator.Value Is fsw then 'do something if the object is the same end if End While I also tried using myEnumerator.Current when performing comparison, as well as trying to cast the .Value and .Current to the same type of object that I compare it to (FileSystemWatcher). I'm open to any suggestions. The basic goal of what I'm doing is to store a reference to an object and an associated string somewhere so that I can later when the event of FileSystemObject fires identify that object and associated string to perform some relevant action. I have a pretty short Deadline on this so any help would be appreciated! Thanks! Tag: CLR Profiler Hotspots Tracker Sample Tag: 84722
  - 4
    - .NET Portal Solutions... I am interested in any .NET enabled portal solutions that are in the same class as the J2EE BEA Weblogic portal solution. Can anyone point me to articles comparing the available portal solutions for the .NET Framework? Thanks in advance. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84714
  - 5
    - OdbcConnection failed when using Windows authentication and impersonation. I got the error message below when I try to open a connection with code: Dim connection As New OdbcConnection("Driver={Microsoft Text Driver (*.txt; *.csv)};DBQ=C:\Inetpub\aesd") connection.Open() I am developing an asp.net application on Windows XP SP2 using Windows authentication and impersonation. Can anyone help? Personal I think it is because of a permissions/security problem ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [IM006] [Microsoft][ODBC Driver Manager] Driver's SQLSetConnectAttr failed ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [HY000] [Microsoft][ODBC Text Driver] Disk or network error. ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [HY000] [Microsoft][ODBC Text Driver] Disk or network error. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84709
  - 6
    - IXMLDomNode in Framework 2.0/VS2005 beta I have to IMPLEMENT the COM-interface IXMLDOMNode (MSXML 3), like this public class MyXmlElement : MSXML2.IXMLDOMNode { .. } this code worked perfectly under VisualStudio 2003. Under .NET Framework 2.0 / VisualStudio 2005 beta1 i get the following error: error CS0682: 'WindowsApplication1.MyXmlElement.MSXML2.IXMLDOMNode.dataType' cannot implement 'MSXML2.IXMLDOMNode.dataType' because it is not supported by the language i tried the following alternatives: * Interop-Assemly (interop.MSXML2.dll) generated by VS2003 and used under 2005 * Interop-Assembly generated by 2005 * Implementation in Vb: similar errors * Implementation in c++: there seems to be no Implementation wizard for Interfaces in VS2005beta1, no chance to write that by hand is it just a bug or is there something i can do to make my program compatible for 2.0?? Tag: CLR Profiler Hotspots Tracker Sample Tag: 84703
  - 7
    - Creating EXE with online updating? I'd like to create an EXE that also takes advantage of background online updating or allows the user to update manually. Similar to MS Money. The EXE will utilize VB. Is smart client the way to go with this? I don't need any low level programming. Is VB best for this situation (I am more familiar with VB than other .NET languages). Tag: CLR Profiler Hotspots Tracker Sample Tag: 84702
  - 8
    - how to get notification when we click auto scroll bar of panel con hi all, can anyone help me out .. am facing a problem , actually in my appliction i neeed a notification when we click on autoscroll bar of panel control in form control of c# .. how to do that ... there is no inbuild event for that thanking u amit -- Tag: CLR Profiler Hotspots Tracker Sample Tag: 84699
  - 9
    - How to create a PDF file from VB.NET I have to create a Password Protected PDF file. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84698
  - 10
    - Initialization order for static fields Does .NET provide any guarantees as to the order in which static fields are initialized? E.g. Sample 1 below appears to work as expected because _myObject is initialized before InitializeSomeType() is called. Sample 2 throws a NullReferenceException because _myObject is not yet initialized when InitializeSomeType() is called. It appears that static fields are initialized in the order they appear in the source file, but is this guaranteed? ----- Sample 1 ----- public class MyClass { private static object _myObject = new object(); private static SomeType _mySomeType = InitializeSomeType(); private static InitializeSomeType() { lock(_myObject) { ... } } } ----- Sample 2 ----- public class MyClass { private static SomeType _mySomeType = InitializeSomeType(); private static object _myObject = new object(); private static InitializeSomeType() { lock(_myObject) { ... } } } Tag: CLR Profiler Hotspots Tracker Sample Tag: 84697
  - 11
    - Impersonation in a console app Hello Can anyone shed any light onto why I can Impersonate succesfully from an Asp.Net form, but it fails when I try and do the same from a console application? Both applications call into the same com component which checks the Account Name of the original caller. The aspnet app succesfully logs the account I have set it to impersonate, but the console app appears to execute correctly as it succesfully returns data but it logs the account I am logged on to the pc as. I am running version one of the framework on a windows 2000 machine. Here is the code I use to do the impersonation using System; using System.Web; using System.Web.Security; using System.Security.Principal; using System.Runtime.InteropServices; using System.Data; namespace Spicers.Systems.ProductLoadFileProcessor { /// <summary> /// Summary description for ImpersonateUser. /// </summary> public class ImpersonateUser { public ImpersonateUser() { } public const int LOGON32_LOGON_INTERACTIVE =2; public const int LOGON32_PROVIDER_DEFAULT = 0; WindowsImpersonationContext impersonationContext; [DllImport("advapi32.dll")] public static extern int LogonUserA(String lpszUserName, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken); [DllImport("advapi32.dll", CharSet=CharSet.Auto, SetLastError=true)] public static extern int DuplicateToken(IntPtr hToken, int impersonationLevel, ref IntPtr phToken); [DllImport("advapi32.dll", CharSet=CharSet.Auto, SetLastError=true)] public static extern bool RevertToSelf(); [DllImport("kernel32.dll", CharSet=CharSet.Auto)] public static extern bool CloseHandle(IntPtr handle); public bool ImpersonateValidUser(String userName, String domain, String password) { WindowsIdentity tempWindowsIdentity; IntPtr token = IntPtr.Zero; IntPtr tokenDuplicate = IntPtr.Zero; if(LogonUserA(userName,domain,password,LOGON32_LOGON_INTERACTIVE,LOGON32_PROVIDER_DEFAULT,ref token) != 0) { if(DuplicateToken(token,2,ref tokenDuplicate) != 0) { tempWindowsIdentity = new WindowsIdentity(tokenDuplicate); impersonationContext = tempWindowsIdentity.Impersonate(); if(impersonationContext != null) { CloseHandle(token); CloseHandle(tokenDuplicate); return true; } } } if(token != IntPtr.Zero) CloseHandle(token); if(tokenDuplicate!=IntPtr.Zero) CloseHandle(tokenDuplicate); return false; } public void UndoImpersonation() { impersonationContext.Undo(); } } } and I call it like so... ImpersonateUser imp = new ImpersonateUser(); if(imp.ImpersonateValidUser("username","domainname",""password)) { // Get the feedback file directory Data.IProductLoad prodLoad = new Data.ProductLoad(); dsDirectories = prodLoad.GetDirectories(); imp.UndoImpersonation(); } else { throw new System.Exception("Impersonation didn't work"); } the function prodLoad.GetDirectories() checks the original caller like so: - originalCaller = SecurityCallContext.CurrentCall.OriginalCaller.AccountName; this successfully returns the Impersonated account from an asp.net page, but not from my console app Thanks for your help David Tag: CLR Profiler Hotspots Tracker Sample Tag: 84696
  - 12
    - getting type of delegate parameters by reflection. I use .NET reflection to get information about assemblies, and I have a proble with delegates with types parameter like : delegate void MyDelegate (int a, double b); Visiting my assembly, I can get all type (as System.Type), and some of them are delegates (they extends System.MulticastDelegate, if there is a better solution, I'm interrested). Now, I want to retrieve the returnType and the parameter list. Just like for methods, I would prefer to find ParameterInfo, because I can already visit this kind of type, but I'm interrested by any way to do. Thanks in advance. J. Péquery Tag: CLR Profiler Hotspots Tracker Sample Tag: 84693
  - 13
    - getting type of delegate parameters by reflection. I use .NET reflection to get information about assemblies, and I have a proble with delegates with types parameter like : delegate void MyDelegate (int a, double b); Visiting my assembly, I can get all type (as System.Type), and some of them are delegates (they extends System.MulticastDelegate, if there is a better solution, I'm interrested). Now, I want to retrieve the returnType and the parameter list. Just like for methods, I would prefer to find ParameterInfo, because I can already visit this kind of type, but I'm interrested by any way to do. Thanks in advance. J. Péquery Tag: CLR Profiler Hotspots Tracker Sample Tag: 84692
  - 14
    - WinService Hi! If I create an empty winservice projekt and just compile and install. That service will keep running until I tell it to terminate, right? I have a problem with a winservice that terminates unexpectedly without any warning after about two hours of running perfectly fine. Every piece of code is within try-catch blocks and the debuggeroutput just ends. Inside a winform, the same code never fails. I could use some advice how to debug this... Thanks /Johan Tag: CLR Profiler Hotspots Tracker Sample Tag: 84691
  - 15
    - Get the Estimated File Size of an In-Memory Bitmap (GDI+) If I have an in-memory bitmap, how can I estimate its file size? Can I read how much space it actually takes up in memory? Tag: CLR Profiler Hotspots Tracker Sample Tag: 84685
  - 16
    - Run another app as part of the install Hi, I've created an installer for my application in Visual Studio .NET, however what I really need is to modify my current installer to run another application before running the rest of my installer. How do I do this? Thanks, K Tag: CLR Profiler Hotspots Tracker Sample Tag: 84683
  - 17
    - Rotating a Picturebox Hello, I am trying to rotate a picturebox control. I have done some experimenting with rotating the image inside the picturebox, but I am trying to get the affect of grabbing the corner of the picturebox and moving the mouse to change the angle. I am sure I can implement the code to grab the corners as I have already implemented code to stretch the image diagonal, up, and down and for a border to appear when the picturebox is entered. The problem I am experiencing is that the picturebox (or the location property) does not allow for 4 points. Am I missing something to turn the actual picturebox? I have flipped the Image using rotateflip(RotateFliptype.Rotate270FlipXY) and Even Rotated the image using the Matrix. But that is not what I am really looking for. If there was a way to use Rotateflip and give it actual Values (30, 45, 55 etc.) would help. But I don't see anything beyond the 6 or so choices. Any suggestions will be greatly appreciated, Thanks Chuck Tag: CLR Profiler Hotspots Tracker Sample Tag: 84682
  - 18
    - Convert DateTime to Number I have question about casting problem DateTime to numer in c#. ex: VB6 or SQL Select Cast( Getdate() as int) result : 38272 (<-- 10/13/2004 ) what is the same casting method aboue DateTime to int32 in C#. Thank you. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84680
  - 19
    - Debug.WriteLine does not wrok in framework 2.0 Debug.WriteLine does not wrok in framework 2.0 I wrote codes in C# 2005. It does not output anything in the output window. Is there any way to let it work? Tag: CLR Profiler Hotspots Tracker Sample Tag: 84675
  - 20
    - reflection question Hello, Can someone explain the following: I'm trying to use Type.GetType that takes a string parameter which specifies the type and assembly. For example: Type t = Type.GetType("System.Drawing.Point, System.Drawing"); My issue is that unless I have System.Drawing.dll in the same directory as my app, this call fails. I did a gacview to confirm that System.Drawing is in the GAC. Why cant System.Drawing be loaded from the GAC? I have similar issues doing: Activator.CreateInstance("System.Drawing", "System.Drawing.Point") This call only works if System.Drawing is in the same directory as my app - it cant get loaded from the GAC Tag: CLR Profiler Hotspots Tracker Sample Tag: 84672
  - 21
    - BinaryFormatter: portable or not? I'm trying to figure out if a stream produced by BinaryFormatter is portable between machines with different native int sizes, bus widths, &c. I've Googled a bit, but can't seem to get a simple answer. The stream does include metadata: Is this sufficient to insulate it from possible differences in field ordering, padding, &c? -- programmer, author http://www.midnightbeach.com and father http://www.midnightbeach.com/hs Tag: CLR Profiler Hotspots Tracker Sample Tag: 84670
  - 22
    - Problems with Debugging in VS.NET 2003 after installing .NET 1.1 S I have a solution that I have been working on for some time without problems. I installed XP SP2 and everything was still fine. I decided to install .NET 1.1 SP1. After that I can no longer debug. The solution contains both an ASP.NET app and a Windows App. When I tried to debug the ASP app, I got a message saying that the framework was not 1.1. When I tried to debug the Windows app, VS just hangs. So to get back to work I decided to uninstall the framework and reinstall 1.1 (without service pack) and worry about the service pack later. When I tried this the uninstall hung. Now I can neither install nor uninstall the framework. If I try to install it tells me I have to uninstall first, and the uninstall hangs. If I uninstall from control panel, I get a scroll bar labelled Gathering Required Information. It goes to about 50% and then stops and eventually produces a dialog saying "Installer is no longer responding" after a long time (more than 30 minutes). If I click Retry it just repeats over and over (tried 4 times) with the same long time between messages and no apparent progress. I have searched far and wide and found nothing to help me. Before I reinstall the whole O/S can anyone help me with: 1. Are there problems with using SP1 with VS 2003? 2. Is there a way to force the uninstall of the framework or to force an install on top of a corrupted install? I am running XP Pro SP2 with all updates. I have the Norton Security Suite running. Thanks in advance Tag: CLR Profiler Hotspots Tracker Sample Tag: 84669
  - 23
    - Detect if a server is a Domain Controller Avoiding the subject to rant about how I cannot find a way to use native .NET to retreive information about Windows..... I have found that what I used to think worked does not appear to work anymore... I have some code that should allow me to return if a server is a domain controller or not. The questions that I have are what is the correct way to access if a server is a domain controller in .NET? Or why is my code not working. static public bool isDomainController { get { OSVERSIONINFOEX osex = new OSVERSIONINFOEX(); osex.dwOSVersionInfoSize = Marshal.SizeOf( osex ); if ( osex.wProductType == VER_NT_DOMAIN_CONTROLLER ) { return true; } else return false; } } [StructLayout(LayoutKind.Sequential)] public struct OSVERSIONINFOEX { public int dwOSVersionInfoSize; public int dwMajorVersion; public int dwMinorVersion; public int dwBuildNumber; public int dwPlatformId; [MarshalAs(UnmanagedType.ByValTStr, SizeConst=128)] public string szCSDVersion; public short wServicePackMajor; public short wServicePackMinor; public short wSuiteMask; public byte wProductType; public byte wReserved; } [DllImport("kernel32.dll")] public static extern short GetVersionEx(ref OSVERSIONINFOEX lpVersionInfo); const int UF_SCRIPT = 0x0001; const int UF_ACCOUNTDISABLE = 0x0002; const int UF_HOMEDIR_REQUIRED = 0x0008; const int UF_LOCKOUT = 0x0010; const int UF_PASSWD_NOTREQD = 0x0020; const int UF_PASSWD_CANT_CHANGE = 0x0040; const int UF_TEMP_DUPLICATE_ACCOUNT = 0x0100; const int UF_NORMAL_ACCOUNT = 0x0200; const int ADS_UF_DONT_EXPIRE_PASSWD = 0x10000; private const byte VER_NT_WORKSTATION = 0x1; private const byte VER_NT_DOMAIN_CONTROLLER = 0x2; private const byte VER_NT_SERVER = 0x3; Tag: CLR Profiler Hotspots Tracker Sample Tag: 84662
  - 24
    - Error when trying to use OdbcConnection in an asp.net application . HELP . PLEASE I got the error message below when I try to open a connection with code: Dim connection As New OdbcConnection("Driver={Microsoft Text Driver (*.txt; *.csv)};DBQ=C:\Inetpub\aesd") connection.Open() I am developing an asp.net application on Windows XP SP2. Can anyone help? Personal I think it is because of the limited permissions that asp.net account has. ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [IM006] [Microsoft][ODBC Driver Manager] Driver's SQLSetConnectAttr failed ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [HY000] [Microsoft][ODBC Text Driver] Disk or network error. ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [HY000] [Microsoft][ODBC Text Driver]General error Unable to open registry key 'Temporary (volatile) Jet DSN for process 0xc8c Thread 0xb44 DBC 0x86ca004 Text'. ERROR [HY000] [Microsoft][ODBC Text Driver] Disk or network error. Tag: CLR Profiler Hotspots Tracker Sample Tag: 84661
  - 25
    - Create shortcut in Quick Launch toolbar Is there a way to have my .NET installer create a shortcut to my application in the Quick Launch toolbar? I would like to have a method that works with pretty much all dotnet operating systems. Thanks! Bob Dankert (This post is also posted in microsoft.public.dotnet.framework.setup, reposted here as I do not beleive that newsgroup is msdn managed) Tag: CLR Profiler Hotspots Tracker Sample Tag: 84660

Dear All,
I am not able to compile CLR Profiler Hotspots Tracker Sample
dll...is there a link from where I can download the dll along with a
sample of how to use it...please help...

TALIA

Many Regards
Jack

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