Examine an Assembly

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  - 1
    - Printing(desperate!) I need to print to a slip printer. The printer has a continues feed . I need to print the data i have with a small space below the slip.But even when i print raw text to the printer the printer still takes the page to be a A4 and spits out a slip the length of an A4. What could i set so the printer just prints the text i send to it then stop Tag: Examine an Assembly Tag: 568941
  - 2
    - MSIL code Hello! I'm reading in a book and it says the following. "MSIL(Microsoft Intermediate Language) generated by all the .NET language compilers. This is a common standard for the binary code generated by the compilers and is what is executed by the CLR" Now to my question about the text. Is it really true that CRL is executing the MSIL code ? I'm quite sure that the code that CRL will execute is the native code that is output from the JIT compilers. The JIT take MSIL as input and generate OS native code that CLR can execute. You may correct me if I'm wrong here ? //Tony Tag: Examine an Assembly Tag: 568936
  - 3
    - Metadata in the assembly Hello! Can somebody give some example for what kind of metadata in included in the assembly ? //Tony Tag: Examine an Assembly Tag: 568929
  - 4
    - OT:Passing Data without database or Dataset Hi there Im a crystal reports newbe, an have following question: Is it possible to pass data (e.g. Images or Strings) to a crystal report without using a dataset, datasource or similar? Can i define some accessors in the report, for changing an image, or a text in the report during runtime? TIA Lukas Tag: Examine an Assembly Tag: 568923
  - 5
    - Web Browser Control Problem ? how can i use WebBrowser control without load the add-ons? i do not mean hide it from menu items 'cause if i can do that ie will start faster than normally Tag: Examine an Assembly Tag: 568920
  - 6
    - Executing a var within an aspx .inc file? All, How do you write out a variable in a ASPX .inc?? I've used the following in my code and it worked until I changed the date & MyWebSite, to a server side write... is there any way of getting this to work within an inc file structure? Thanks in advance. - CES <% Response.WriteFile("Yourfile.FileExtension"); %> ----- Yourfile.FileExtension ------ <div id="copyright"> Copyright <%=DateTime.Now.Year.ToString()%> - <%=MyWebSite%> - All rights reserved. <br />Use of this site signifies the users complete agreement to all terms, contained <br />& described within the Terms of Use page (Updated July 31, 2008) </div> Tag: Examine an Assembly Tag: 568903
  - 7
    - Click-once app does not run I built a small app with VS C# Express 2008, and published it as a click-once app. I tried installing it on my local machine, and when I click on its icon from the Start menu, nothing happens. Everything works fine when I run the code from VisualStudio. I get this problem if I use Debug or Release build config. I'm sure it must be something rather simple, but I just can't seem to find it. Tag: Examine an Assembly Tag: 568898
  - 8
    - Installer choices. Last year I purchased Macrovision (now Acresso's) InstallShield 2008 product to create an MSI package. Without getting into details, I'll just say I've been very unsatisfied with the InstallShield 2008 product (stability, extensibility, cost of documentation, quality of support all factors). I'm not sure how robust my install process is relative to others, during the install a Windows service must be installed and a few files are written to windows system folders. During uninstall these steps must be reversed. I'd like to hear from those with experience with various installer packages. I'm looking for an option that's well documented (e.g. if I want the installer to execute .NET code during install, examples should be available on-line) also I'd like to know book recommendations for compiling an MSI package without the use of a tool (WYSE, InstallShield, etc..). Jeremy Tag: Examine an Assembly Tag: 568895
  - 9
    - Starting up - help needed Hello guys! I have a question for you. Let me quicly explain the situation. I used to be an MS-DOS programmer 15 years ago, using C as a language. I've been away from daily programming since then and I've not done much with Windows and .NET development. I've done Access programming and some other vbscript based development. I'm back to coding and I will be working with Visual Studio 2008 Pro using C#. I am willing to work with latest technologies like LINQ and WPF. I will also be working with ASP.NET for a website. My question is: apart from Visual Studio 2008 what are the absolute tools you will recommend me to use? Those top 10 tools I will not be able to work without? Thanks for your help! -- fsantos Tag: Examine an Assembly Tag: 568889
  - 10
    - Writing a Custom BindingList for Mapping between DataObjects and Hello: I have a mapping class that can take generic data objects and locate/ add/remove/update DataRows in a DataTable. I associate them using attributes: TableAttribute and ColumnAttribute. I use reflection to move the data between the data object and the DataTable. I would like to make this extremely easy for my Forms developers. I would like calling AddNew() to call mapper.AddDataRow(dataObject). I would like changes to call mapper.UpdateDataRow(dataObject). I would like removing to call mapper.DeleteDataRow(dataObject). I am trying to implement this. Right now, I am inheriting from BindingList<DataObject>. However, I am not sure which methods to override and where to place my code. A quick example would be awesome. I get the impression this should be easy to do; I just don't know how to do it correctly. Also, I would like to know what is the best method for preventing the addition a bogus values to the BindingList<T>. How can I prevent them from adding NULL or and instance of U? Thanks! ~Travis Tag: Examine an Assembly Tag: 568878
  - 11
    - treeview performance I just learned of an IBM patent(7412649 ) awarded this month for a method of populating a treeview that improves performance by loading only the upper level nodes and loading childnodes only when an upperlevel node is expanded. Has not this method been around for at least ten years? I remember reading articles on it back in the VB6 days, but cannot locate them now. Anyway, just curious. The patent was filed in 2005 and there must be numerous examples of so-called "prior art" on this before that date. If anyone has a refernce to prior literatue or actual software, let me know. Bill Tag: Examine an Assembly Tag: 568874
  - 12
    - Error in WPF application We are using the windows forms webbrowser control in a WPF client application. Very rarely we get the following error message: Message Attempted to read or write protected memory. This is often an indication that other memory is corrupt. Stack Trace: at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame) at System.Windows.Threading.Dispatcher.Run() at System.Windows.Application.RunInternal(Window window) at System.Windows.Application.Run(Window window) at System.Windows.Application.Run() Did anyone encounter this kind of problem with a WPF application using the WebBrowser control? If so, how did you solve that problem? (Using the WPF WebBrowser control is not an option since we need specific functionality from the winform version) Thanks, Hans. -- Tag: Examine an Assembly Tag: 568873
  - 13
    - Close() timeout in NetworkStream and Socket? I have an application that wants to open a Socket, write data and close the socket. A persistent connection would be nice, but it's intended to operate in an environment where the network connection probably isn't reliable. So I do this: // open socket m_networkSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); IPEndPoint them = new IPEndPoint(IPAddress.Parse(hostname), port); m_networkSocket.Connect(them); m_networkConnection = new NetworkStream(m_networkSocket, false); // write m_networkConnection.Write(arrayOfBytes, 0, arrayOfBytes.Length); m_networkConnection.Flush(); // close m_networkConnection.Flush(); m_networkConnection.Close(); m_networkSocket.Close(); All fine & good, but nothing shows up on the other side. If I put a delay between Flush() and Close() it suddenly starts to work. So is Flush() is a no-op? Close() (for both Socket and NetworkStream) has an optional "timeout" value (an Int32), which is 'the amount of time to wait for data to be sent'. I _assume_ that's milliseconds, but does anyone know for sure? That begs the question, however, of just how long do I wait? How do I know my data has been sent and it's safe for me to close the connection? Thanks! al -- Al Dunstan, Software Engineer OptiMetrics, Inc. 3115 Professional Drive Ann Arbor, MI 48104-5131 Tag: Examine an Assembly Tag: 568867
  - 14
    - Constructor Accessibility - protected ctor inside public class with Hello: I have a public abstract class. The concrete subclasses must pass an instance of an internal class to the abstract class' ctor. I like to make the constructors of my abstract classes protected. However, since it has a parameter that is of an internal type, I am forced to make it internal also. This is fine since no one outside my library can see it. However, I would prefer to restrict this even more, so that only subclasses can see the ctor. "protected internal" provides the relationship: visible to code within the library OR ANY subclasses. I want: visible to code within the library AND internal subclasses. I suppose there is no solution. I was hoping someone could give me some insight, however. Thanks, Travis P.S. - I can't make the abstract class internal since it implements a public interface and the subclasses are public. Tag: Examine an Assembly Tag: 568862
  - 15
    - OT: Forum for WPF Hi! Is there a special forum for WPF? I Cant find any on the public news group of microsoft. What i am looking for in general is, Us MDI or NOT, if NOT, how, examples of different approaches etc. Regards Martin Tag: Examine an Assembly Tag: 568860
  - 16
    - managing c++ pointer reference from c# I'm writing a C++ managed .dll that I will call from my C# app. The C+ + code will need to return an object pointer to the C# that will need to be passed back for subsequent method calls. The C# code doesn't need to do anything with the pointer, just accept it as a return value from the first method and then pass it to the rest. Can anyone get me started here? I can't figure out how to type the parameter in the C# dllimport statment and/or the c++ code. thanks! Deanna Tag: Examine an Assembly Tag: 568859
  - 17
    - Deserialization issue I'm getting an error when deserializing my objects: "The ObjectManager found an invalid number of fixups. This usually indicates a problem in the Formatter." I added a new object to a class that gets serialized and put the OptionalField attribute on that object. When trying to deserialize my object in an older version of our application that doesn't have this new class I get the above error but that's only when items have been added to the class. The class looks like this: public class MyCollection : BindingList<MyClass> { } public class MyClass { private string mystring; private CustomEnum myenum1; private CustomEnum2 myenum2; } public class ClassThatGetsSerialized { string member1; int member2; ... ... [OptionalField] MyCollection mycollection; .... } The error only occurs if object ClassThatGetsSerialized is deserialized by an older version that doesn't have the definition for MyCollection and if the member of ClassThatGetsSerialized.mycollection has items in it. If there are no items then the error does not happen. We use the OptionalField attribute in many places and it always works fine. Any ideas? Thanks, Joe Tag: Examine an Assembly Tag: 568857
  - 18
    - Need for efficient method for File Parsing and copying I am trying to update another developers code, and am stuck in a cludge. It works like this: A user uploads a file from the web page. Our code reads from a NetworkStream to a Filestream, and writes out a temporary file. Then the file is parsed (The file contains HTML data + the actual binary file that was transmitted). As part of the parsing, once the main binary file is to be parsed out, it is written with a new Filestream, byte by byte to a new location on disk. This was great when the file was 24Mb, but now it is 70Mb, and our windows CE device can not hold 2 copies of this large file. Not to mention that the additional copy takes a while to perform. To me it seams that there are two methods to solve this, the first being to read the networkstream realtime until the actual binary file shows up, then filestream directly. The second method, which to me seems simpler, is to just take the large temp file, and truncate off the non-binary data. By the way, I can not use a memorystream, as I have alocated most of the device memory to storage, thus there is not enough memory room. Anyone have any advice?? Tom Kuhn Tag: Examine an Assembly Tag: 568850
  - 19
    - to deal with C++ OLE in C# code. Hi Everyone , I badly stuck up in C# application which use C++ OLE to communicate with a device to get data from device. I converted C++ code into C# to build this application but still using C++ OLE. I couldnot get any data from device through OLE. Can some help me? Following is an example. C++ code: /******************************************************************************* OLESendCommand the function used to send and receive data from the device The public member variable 'UsingTunnel' is passed to the OLE function. subsys : the subsystem cmd : the command reg8 : an option byte that is the fourth transmitted byte dataout : 32 bit, little endian data. this forms the payload bytes 4,5,6,7 (out of 0,1,2,3,4,5,6,7) *resultinformation : this is the result returned from the transaction often will be RET_ACK or RET_DATA32 or RET_NAK. *recvbuffer : must be supplied with a uchar buffer 8 bytes long. generally, only the first four bytes are filled, corresponding to the bytes 4,5,6,7 out of (0,1,2,3,4,5,6,7) up to 8 bytes can be returned for long format commands A non zero value is returned if there was no reply from the device. *******************************************************************************/ uint32 CCOMLib2::OLESendCommand( uint32 subsys, uint32 cmd, uint32 reg8, uint32 dataout, uint32 * resultinformation, uint8 * recvbuffer //buffer 8 deep ) { uint32 result; try { result=V.OleFunction("SendCommandTemp",UsingTunnel, DeviceAddress, subsys, cmd, reg8, dataout, resultinformation, (uint32*) &recvbuffer[0], (uint32*) &recvbuffer[4]); } catch (Exception &E) { LM("Unable to access ole function with "+ AnsiString(E.Message),3); return 2; } if (result) LM("failed."); return result; } converted C# code: public unsafe Int32 OLESendCommand(Int32 subsys, Int32 cmd, Int32 reg8, Int32 dataout, Int32* resultinformation,ref byte[] recvbuffer) //buffer 8 deep { Int32 result; byte[] buffer_1 = new byte[8]; byte[] buffer_2 = new byte[8]; try { // result = V.OleFunction("SendCommandTemp", UsingTunnel, // DeviceAddress, subsys, cmd, reg8, dataout, resultinformation, // ref recvbuffer[0], ref recvbuffer[4]); result = (Int32)V.GetType().InvokeMember("SendCommandTemp", System.Reflection.BindingFlags.InvokeMethod, null, V, new object[] { UsingTunnel, DeviceAddress, subsys, cmd, reg8, dataout,(Int32)resultinformation, recvbuffer[0], recvbuffer[4] }); // buffer_1, buffer_2 }); } catch (Exception e) { LM("Unable to access ole function with "+e.Message,3); return 2; } if (result != 0) LM("failed."); return result; } Help me as early as possible. Regards, -- atul baxi Tag: Examine an Assembly Tag: 568845
  - 20
    - Linq Query. Please, help. Going crazy ... Hi, On a form I have an input where tags are inserted in a CSV format. Then on my code I convert the CSV string to a List<Tag>. Tag is an object with two properties: TagID and Name So when I do the conversion I only fill the Tags names ... Then I use a join to find these tags into my database.Tags and get their ID's. This is what I have: // Parse form post tags List<Tag> form = paper.Tags.Split(new char[] {','}, StringSplitOptions.RemoveEmptyEntries).Select(t => new Tag { Name = t.Trim() }).ToList(); // Define updated post tags List<Tag> updated = new List<Tag>(from t in database.Tags join f in form on t.Name equals f.Name select t).ToList(); I debugged and the "form" list has the names of the tags I inserted. And those names do exist in database.Tags. However, I always get the following error on my second query: Local sequence cannot be used in LINQ to SQL implementation of query operators except the Contains() operator. I have no idea why do I get this. My code seems ok ... I tried everything I could think of to solve this. Does anyone knows why do I get this? Thanks, Miguel Tag: Examine an Assembly Tag: 568840
  - 21
    - write what line is work now Can i write what line is work now? try { ... } catch { console.writeline("at program.cs line {0}", XXX) } console.writeline("at program.cs line {0}", XXX) how to write this line's number? Tag: Examine an Assembly Tag: 568833
  - 22
    - System.Chart[] when convert to string Hi, I am using a DLL file to get a function. This has one parameter which is a pointer. To access the function I do the following: --------------------------------------------------------------------------------------------------- [DllImport("statax.dll")] public static extern unsafe int fnReadMeas(char* buf); --------------------------------------------------------------------------------------------------- Later on, in a button event I call this function as follows: --------------------------------------------------------------------------------------------------- int Valor=0; char[] m_BufMeas=new char[256]; fixed(char* DataRead=m_BufMeas) { Valor=fnReadMeas(DataRead); if(Valor==1) { Mylabel.Text=Convert.ToString(m_BufMeas); break; } } --------------------------------------------------------------------------------------------------- On MyLabel I get the following text "System.Chart[]". Any tip of how to solve this problem? I should be getting several numbers in m_BufMeas. Thanks in advance for your help. Axel. Tag: Examine an Assembly Tag: 568826
  - 23
    - Question on interfaces and inheritance Should a class implementing an interface define the methods in the interface? That seems logical to me but I have the following code: public class XmlDataSourceMarc : XmlDataSource { protected DataSourceView tst; public override DataSourceView GetView(string viewName) { return tst; } } This gives the error: 'XmlDataSourceMarc.GetView(string)': no suitable method found to override Now if I look at the base class, it's true GetView is not defined in the class public class XmlDataSource : HierarchicalDataSourceControl, IDataSource, IListSource { public XmlDataSource(); public virtual int CacheDuration { get; set; } public virtual DataSourceCacheExpiry CacheExpirationPolicy { get; set; } public virtual string CacheKeyDependency { get; set; } public virtual string Data { get; set; } public virtual string DataFile { get; set; } public virtual bool EnableCaching { get; set; } public virtual string Transform { get; set; } public virtual XsltArgumentList TransformArgumentList { get; set; } public virtual string TransformFile { get; set; } public virtual string XPath { get; set; } public event EventHandler Transforming; protected override HierarchicalDataSourceView GetHierarchicalView(string viewPath); public XmlDocument GetXmlDocument(); protected virtual void OnTransforming(EventArgs e); public void Save(); } But the IDataSource interface it should implement has. public interface IDataSource { event EventHandler DataSourceChanged; DataSourceView GetView(string viewName); ICollection GetViewNames(); } So what am I missing? Why XmlDataSource does not have an implementation of DataSourceView GetView(string viewName) while it implements the interface IDataSource that defines it? Marc Wentink Tag: Examine an Assembly Tag: 568824
  - 24
    - XML driven Menu control generation Anyone have idea how to build a configurable menu control. The menu items must be read from XML or from the database & the items must be built. Options must be provided for generating horizontal or vertical menu. Any idea would be helpful. Tag: Examine an Assembly Tag: 568821
  - 25
    - XML driven Menu control generation Anyone have idea how to build a configurable menu control. The menu items must be read from XML or from the database & the items must be built. Options must be provided for generating horizontal or vertical menu. Any idea would be helpful. Tag: Examine an Assembly Tag: 568820
- Next
  - 1
    - No image in firefox I have the following code to show an image in html: "&nbsp&nbsp&nbsp:.. <img src=\"\\Resources\\Icons\\TarefaAEspera.gif\" />&nbspTask" In IE image are showed correctly, but in Firefox donâ??t. What I am doing wrong to firefox donâ??t show image? Thanks & Regards, Rui Oliveira Tag: Examine an Assembly Tag: 568810
  - 2
    - Looping through dataset to array Hello Is there an example of looping through a dataset filling an array with it? Thank you Tag: Examine an Assembly Tag: 568805
  - 3
    - After import the wsdl i have lost it a bit Hi, I have trouble to execute the UitDeCOVClass.controleer in my "hello world" project. The problem is that i dont understand how the wsdl class must be reached and the right value must be filed. Groetjes Rene Here is the code ..... ************************************ .... using System.Security.Cryptography; using System.Security.Cryptography.X509Certificates; .... void Button1Click(object sender, EventArgs e) { /* The wsdl file is at : https://acccertificaten.vecozo.nl/webservices/cov/vz3738.asmx */ X509Store store = new X509Store(StoreLocation.CurrentUser); store.Open(OpenFlags.ReadOnly); X509CertificateCollection col = store.Certificates.Find(X509FindType.FindByIssuerName, "VEcCOZO",false); vecozo.vz3738 UitDeCOVClass; UitDeCOVClass = new vecozo.vz3738(); // check certificate if found if (col.Count == 1) { UitDeCOVClass.ClientCertificates.Add(store.Certificates[0]); } else MessageBox.Show("No certificate found what match."); /* from here i lost it.. I cant get the UitDeCOVClass.controleer(......) to work */ vecozo.AanvraagCovType ThePatient; ThePatient = new vecozo.AanvraagCovType(); vecozo.RetourinfoCovType TheReturn; TheReturn = new vecozo.RetourinfoCovType(); vecozo.ControleerInput Patients; Patients = new vecozo.ControleerInput(); ThePatient.Achternaam = "Do"; //John Do ThePatient.Geslacht = 1; ThePatient.GeboorteDatum=DateTime.Parse("26-08-2008"); ThePatient.PeildatumVerzekering = DateTime.Parse("26-08-2008"); UitDeCOVClass.controleer(Patients); // finaly check if we have got something from vecozo MessageBox.Show(Convert.ToString(TheReturn.BSN)); } Tag: Examine an Assembly Tag: 568802
  - 4
    - XXXBindingSource Hello! What purpose does this object have ? //Tony Tag: Examine an Assembly Tag: 568798
  - 5
    - System.web.mail I am using system.web.mail(.net framework 1.1) to send emails Now i want to receive the bounced mails in a different email id from that of the from(sender) id How to do this? Can any one throw light on this? Tag: Examine an Assembly Tag: 568797
  - 6
    - facing an issue querying AD using C# Hello, I am facing an issue while querying Active directory using C# code with system.DirectoryServices namespace. Here is the path for my LDAP - "LDAP://CN=XY - C++/Unix and other, OU=Automatic,OU=DLs,DC=domain,DC=com"; I have replaced the / character with\/- but still is giving error while querying. Please help me to resolve this. Also is there any way to query on the distribution lists from a given active directory path? Thank you. Suhas Vengilat Tag: Examine an Assembly Tag: 568796
  - 7
    - Re: MarshallAs for char* buffer > Try this.... > > [DllImport("mydll.dll", CharSet = CharSet.Ansi)] > public static extern int getData(StringBuilder result, ref long bufflen); > > StringBuilder result = new StringBuilder(500); > int resultLen = 500; > getData(result, ref resultLen); > Thanks a lot. That worked. Tag: Examine an Assembly Tag: 568792
  - 8
    - avicap32 - Please Help Hi, I'm using avicap32 to capture video from my webcam, but I've a problem. I can cerate preview in ex. in picturebox component, but I need to get image from camera to Bitmap or Image component, because I want to use this to motion detection. I don't know how I can get picture from camera to Image variable. Please help Maciek Tag: Examine an Assembly Tag: 568780
  - 9
    - MarshallAs for char* buffer I'm trying to use some closed source unmanaged C++ dll. One of functions I have to call have signature as follows: int getData(char * buffer, long * bufflen); And this function requires that buffer is initialized to hold bufflen chars. bufflen after function is called will contain lenght of response data. If I try to marshall it using [DllImport("mydll.dll",CharSet = CharSet.Ansi)] public static extern int getData( [MarshalAs(UnmanagedType.LPStr)] out StringBuilder result, out long bufflen); i get acces violation exception, despite that string builder is initialized by: long bufflen 256; StringBuilder result = new StringBuilder((int)bufflen); DllMapper.getData(out result, out bufflen); What I'm doing wrong? Tag: Examine an Assembly Tag: 568779
  - 10
    - DataSource in form of Object Hello! In the Data Source Configuration Wizard I can choose Object as a Data source. It feel much more natural to have Database as the Data source. I feel very uncertain about having Object as the DataSource. Can somebody give me an good example when to use Object as the data source or a good page where I can read about that. //Tony Tag: Examine an Assembly Tag: 568778
  - 11
    - text "variables" Hi sorry, this doesn't really have anything to do with c#, but I wasn't sure where else to post. I am writing some code which needs to parse some text (a string) which is to contain "variables" (special tags) which should be replaced with real values. For example, a variable called "CURRENT_DATE" or "USER_NAME". Is there any standard or best-practice for the syntax for this sort of thing? Like "As of today {%CURRENT_DATE%} your username {%USER_NAME%} is suspended..." Thanks, Peter -- Tag: Examine an Assembly Tag: 568771
  - 12
    - Regular expression Hi I'm struggling with a regex that will check for 0-1 in a string of 1-8 characters, as in a binary string. Most examples I've seen checks a pattern in a complete string but I would like to check every input by TextBox_TextChanged event that means the string could vary from 1 to 8 characters. So far I'm managed to check the first char, but then it also accepts 2-9. Any help appreciated. Tag: Examine an Assembly Tag: 568770
  - 13
    - Database objects Hello! Can somebody give a simple example for these two terms. 1.What is the database object Types in SQL Server 2005 ? 2. What is the database object assemblies in SQL Server 2005 ? //Tony Tag: Examine an Assembly Tag: 568769
  - 14
    - SQl Server 2005 Hello! If I for some reason want to disable the feature to use Windows Authorization to be able to log in to SQL Server 2005 how is this done. I must admitt that I have no reason at all for doing this but I just want to have the knowledge to do this. //Tony Tag: Examine an Assembly Tag: 568762
  - 15
    - Why does x.ToString() throw an error if x == null? If we have something like this object x = null; MessageBox.Show(x.ToString()) we get an error. That kindof makes sense but there is no reason the behaviour couldn't be to return an empty string. When we call x.ToString we are really calling a function like this: class Object { public static string ToString(object* Instance) { //code to convert the object pointer to a string } } Why can't the compiler just pass in Instance as a null and let the code sort it out. If the code wants to throw an error then it can but if it wants to do something more useful then it can. This would be useful in some cases (I admit they are rare but the ToString example above could potentially be used quite often). I can think of a few cases where this could be useful, eg: string x = null; MessageBox.Show(x.IsNullOrEmpty.ToString()) MessageBox.Show(x.Length.ToString()) //<--- shows zero DateTime? y; MessageBox.Show(y.IsValid) The interesting thing is you can define extention methods that do work on null objects, eg static class Extensions { public static bool IsSomething(this string s) { return !string.IsNullOrEmpty(s); } public static string ToStringIgnoreNull(this object s) { if(s == null) return string.Empty; return s.ToString(); } } Then use it like this: string x = null; if (x.IsSomething()) MessageBox.Show(x) or object x = null; MessageBox.Show(x.ToStringIgnoreNull()) Any comments? Cheers, Michael Tag: Examine an Assembly Tag: 568760
  - 16
    - how to convert my existing application as plug-in for already we are having a web application .but now we have to make it as a plug in applicaion for outlook is it possible. if it is possible please provide me some samples Tag: Examine an Assembly Tag: 568758
  - 17
    - how to convert my existing application as plug-in for already we are having a web application .but now we have to make it as a plug in applicaion for outlook is it possible. if it is possible please provide me some samples Tag: Examine an Assembly Tag: 568756
  - 18
    - StoredProcedure Hello! I just wonder when you use StoredProcedure will you then use DataSet ? In the example that I have seen is the DataSet not used is this normal ? //Tony Tag: Examine an Assembly Tag: 568750
  - 19
    - inheritance in C# I have a web page (compiled with .net 2.0 /Visual studio 2005) http://people-places-work.info/addPerson.aspx derived from System.Web.UI.Page, but I would like to insert an intermediate class called addPersonBase from this local project. This worked for me in VB, but C# wants something more. ---------addPerson.aspx.cs public partial class addPerson : //System.Web.UI.Page addPersonBase { .... } ----------end ---------addPersonBase.cs public class addPersonBase : System.Web.UI.Page { public addPersonBase () { .... } ----------end Unfortunately when I do that I get an error Error 1 The type or namespace name 'addPersonBase' could not be found (are you missing a using directive or an assembly reference?) Any ideas on how to fix that? Tag: Examine an Assembly Tag: 568746
  - 20
    - Application fails I copy my release version executables and dlls to a production PC. It fails to run causing an error message with the following text: "Application" has encountered a problem and needs to close... My question- Is there a way to find out by this massage what is the error source or to produce a more friendly message? Regards I. Lesher Tag: Examine an Assembly Tag: 568744
  - 21
    - find row/column of a System.Windows.Forms.ListView MouseDoubleClick event Hi, What is the best way to find the row/column of a System.Windows.Forms.ListView MouseDoubleClick event? Searching the rows and columns for SelectedItems[0] will not work for me, too many duplicated values. Thanks Viepia Tag: Examine an Assembly Tag: 568725
  - 22
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Hello!

Is it possible for a program to look up classes, methods and properties of
the
objects defined within the assembly.

How is that done if it's possible ?

//Tony

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Re: Examine an Assembly by Alberto

Alberto
Thu Aug 28 06:31:34 CDT 2008

"Tony Johansson" <johansson.andersson@telia.com> wrote in message
news:u6P2IDPCJHA.4884@TK2MSFTNGP02.phx.gbl...
> Is it possible for a program to look up classes, methods and properties of
> the
> objects defined within the assembly.
>
> How is that done if it's possible ?

This can be done by means of Reflection. The documentation is linked
here:
http://msdn.microsoft.com/en-us/library/f7ykdhsy.aspx

In summary, you would use the Assembly class to access the Assembly,
then call GetTypes() on the Assembly to enumerate all the Types in the
assembly, and then for each Type call GetMethods(), GetProperties(), and so
on, to enumerate its members.

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RE: Examine an Assembly by FamilyTreeMike

FamilyTreeMike
Thu Aug 28 06:41:01 CDT 2008

If you want the class, method and property names, you can use the Object
Browser (under the view menu). If you want to look at the code in each, then
you should get Reflector at http://www.aisto.com/roeder/dotnet.

"Tony Johansson" wrote:

> Hello!
>
> Is it possible for a program to look up classes, methods and properties of
> the
> objects defined within the assembly.
>
> How is that done if it's possible ?
>
> //Tony
>
>
>

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