Visual C#

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  • Retrieving URL from IE
    by Taffy11
    9 Replies
    Last post by Sheng Jiang (?êÉ)
      • Hi All, I am developing a windows application that will retrieve the url address from a internet explorer window, using c# within the .net environment (2.0). Is this possible and can you provide me with either examples or references. Thanks, Kelvin
  • Refactoring/Encapsulating several variables at once
    by rishabhjivan
    2 Replies
    Last post by rishabhjivan
      • I'm not sure if there is such a feature in the Visual Studio IDE, but it would be nice to have the ability to select multiple variables for encapsulation at the same time, especially if a class contains many variables. Anyone familiar with the Java NetBeans IDE will know what I'm talking about. In NetBeans the user is presented with a checked list of the variables from the class, in order to selec
  • Declaring variable sized array in C#
    by knji
    4 Replies
    Last post by Figo Fei - MSFT
      • I an used to declaring a variable sized array in other languages using the following syntax int myarray[ ]; Looks like in C# I have to specify a size. What if I do not know this size until run time, how do I declare such an array Thanks in advance. Klaus
  • Q Event
    by cisco0407
    3 Replies
    Last post by Peter Ritchie
      • I need to fire a event any time a item is in the Q. please look at the code below is it right public class QClass : Queue { public delegate void EventQ(object sender, EventArgs e); public event EventQ KickitemoffQ; void KickitemoffQEvent(EventArgs e ) { if (KickitemoffQ != null) { KickitemoffQ(this, e); } } public overr
  • access server machine on the same network.
    by IMBack
    4 Replies
    Last post by IMBack
      •   Is there away to access diffrent server machine that is on the same network, using web application. when accesing web application, it would check if the user is currently on the network where the server machine located, than enable to access the files. Thank you,
  • How to convert a string value to a color value?
    by Azurewrath
    7 Replies
    Last post by Azurewrath
      • Hi, I have 3 textbox controls, and whenever someone changes those values, I want to make it change the color of a picturebox. Right now I use this code: private void txtRed_TextChanged( object sender, EventArgs e) { picColor.BackColor = Color .FromArgb( Convert .ToInt32(txtRed.Text), Convert .ToInt32(txtGreen.Text), Convert .ToInt32(txtBlue.Text)); } But it gives
  • Getting %CPU usage for processes with WMI but keep getting results 0 or 100
    by lcer
    0 Replies
    Last post by lcer
      • Hello I'm trying to get PercentProcessorTime from Win32_PerfFormattedData_PerfProc_Process via .NET system management. The returned value is 0 or 100 - nothing in beetween, clearly wrong. I found a similar problem description here: http://www.microsoft.com/technet/scriptcenter/resources/qanda/apr05/hey0421.mspx Exactly my problem except here there seems to be a solution by using a refresh me
  • Window message without creating a form?
    by Tom B
    6 Replies
    Last post by Peter Ritchie
      • Hello, Do I need to create a form just so I can have a handle I want my application to listen to window messages but it actually has no forms. It seems a bit wasteful to create a form just to listen for window messages, cant I give my entire application a WndProc function I'd like to use the bare minimum resources to do this. The form will have nothing on it so I think the best way would
  • Regarding hard code in C#
    by bhasyamvinod
    3 Replies
    Last post by Gabriel Lozano-Moran
      • hi, I am developing a web-based application which needs lot of conditions to be checked . For Example : if x=5 ... instead of hard coding the value 5 ...is there any method so that i can access the hardcoded values globally in my entire application. In Asp we can use .ini file but .net has left .ini file . Please suggest me the right method ..to overcome this problem
  • invoke() method problem
    by mersany
    3 Replies
    Last post by mersany
      • I use invoke.Giving bellow. Invoke section win32 com and TAPI related function. When I try debug. This part wok once. But working section each time increase. For examle OnAfterOpen.Invoke(); ones work on the other hand ActModem_OnAfterOpen() run many times same Invoke. This part only call by invoke part. How can it be How can I solve this problem //invoke section if (OnAfterOpen != null &&a
  • Using constants
    by mshvw
    3 Replies
    Last post by boban.s
      • Hello, I'm rewriting a C++ project into C#. In the C++ project there are many constants defined like: #define RECEIVE_BUFFER_SIZE_MAX 60 Is there some equivalent in C# or can I only use the C# dummy 'constant' variable like: const byte receiveBufferSizeMax = 60; This means I have to re-develop many functions because somehow C++ constants must be replaced by filled C# 'c
  • Cannot Convert type 'char' to System.DateTime'
    by HarryBedi
    14 Replies
    Last post by ShellShock
      • Hi guys I keep getting the following error when I try to iterate through an array foreach (DateTime TimeStamp in theTickData[0]) //Cannot Convert type 'char' to System.DateTime' { if (TimeStamp >= dtEntryTime) { foreach ( string PG in theTickData) { if (PG == theDirection) { foreach ( double theRate in theTickData[1]) { alEntryPointEURCHF.Add(theR
  • Lock down to prevent internal software from leaking to general public?
    by Khronos
    2 Replies
    Last post by RizwanSharp
      • Hello, I am making some tools that are supposedly used only by internal team and customers who use our services directly. I was wondering what are some of the stuff i can do to prevent the software from leaking to general public. The software allows us to view/edit some internal data which the general public should not be able to manipulate directly other than through our software. I
  • simple question about inheritance
    by shimshon
    3 Replies
    Last post by Lowendahl
      • hi all. in my base class i set a reference to the ms.applicationblock.dataaccess. class A inherits from the base class. why cant i use the objects of the application block (like DataBase) in Class A only if i set a refernece inside Class A, it will show me the objects. doesn't it inhetis the reference laso
  • Extending default classes
    by Azurewrath
    14 Replies
    Last post by Azurewrath
      • Hi, Anyone knows if I can extend existing .NET framework classes Like so: Array.ExistingMethod Array.MyMethod Also can I overload a default existing method Like so: Array.ExistingMethod (int n) Array.ExistingMethod (string s) // my version You can answer for C# 3.0 if you want. Thanks, Aw
  • Change Default Project folder
    by swaroop.m
    3 Replies
    Last post by nobugz
      • Hi All, When i create a Project using VS2005, by default a folder with the namespace gets created. for e.g. When i create a project with name Test.Test1.Test2.csproj and namespaceTest.Test1.Test2 under C:\MyProjects\ A folder with name Test.Test1.Test2 gets created, How can i avoid this i want to create the project as C:\MyProjects\Test\Test.Test1.Test2.csproj Any pointers would
  • please help
    by ranadheer mac
    1 Replies
    Last post by Martin Xie - MSFT
      • hello friends i have a scenario like 1) i have a ByteArrayOutputStream 2) i need to check the first two bytes ,if they are 13,10 ,have to remove them 3) later ,i to convert that to byte[] any body please help how to do that without arraycopy regards OS
  • RemoteObjectSourceException: Graphics is not marked as serializable
    by Jeremy Jarrell
    2 Replies
    Last post by Jeremy Jarrell
      • Hi I'm trying to build a debugger visualizer for instances of System.Drawing.Graphics. However, when I try to retrieve the instance of Graphics from the objectProvider.GetObject() call I get the following exception: RemoteObjectSourceException: Type 'System.Drawing.Graphics' in Assembly 'System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' is not marked as seria
  • How do I make an XML schema document?
    by Corrob
    3 Replies
    Last post by Corrob
      • Hello, This is my first post. In visual C# express edition I add a new item to create an XML document but I don't know how to make an XML schema document.
  • Performance Issue: Load assemblies on demand
    by Juliano Nunes
    5 Replies
    Last post by Peter Ritchie
      • By default, when running a .Net Application, all referenced assemblies are loaded at the same time, this increases the memory usage, what is unnecessary most times. So, how can I load assemblies only when they are needed
  • Protected and Protected Internal method
    by Dhakir Raj
    3 Replies
    Last post by Bashmohandes
      • Hi, Can any one explain me what is the difference between protected and protected internal method
  • ListView sorting... Why is 99 greater than 100?
    by Evan Mulawski
    6 Replies
    Last post by Frank Boyne
      • I have a sorted listview that works perfectly fine, for strings and dates. However, 100 is always treated as the number 1. How can I fix this Code Snippet using System; using System.Collections.Generic; using System.Text; using System.Collections; using System.Windows.Forms; namespace Provectasoft_GradeManager { class ListViewIte
  • Newbie Question
    by LarryLand
    3 Replies
    Last post by TilakGopi
      • I'm switching worlds actually from C++ to C# and i can¡¯t get this to work: It is a simple clock (counting seconds only), the problem is that the counter works fine in the first tick event, but in the second one when i try to read the value i get "" (i.e. nothing). The textbox that contains the count is public. private void timer1_Tick( object sender, EventArgs e) {
  • How can I do undisposing?
    by LORDTEK
    8 Replies
    Last post by Indian Ocean
      • In my project, some menu items have shortcut in the main form so users can reach these forms whether select the menu item or click the shortcut item. Therefore, I want to block these same forms opening on the same time. For this reason, i must create object which is not influenced by disposing. Thank you, regards...
  • Reflection & casting issue
    by Prezii_kploch
    2 Replies
    Last post by Deobrat Singh
      • Hi! I'm creating an application that uses plugins. I have an interface: public interface IFeature { ....blablabla } and some class: public class StubFeature : IFeature { ...blablabla } I'm loading an assembly that contains IFeature and StubFeature, and use: foreach(Type type in Assembly.GetTypes()) { IFeature feature;