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by: Sherif ElMetainy |
last post by:
Hello
I was just got VS 2005 preview, and was trying generics.
I tried the following code
int intArray = new int;
IList<int> intList = (IList<int>) intArray;
it didn't compile, also the following didn't compile
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by: KC |
last post by:
Could some one explain to me the casting rules for sending generic lists, ex. List<Person>, to a function that accepts List<object>? I cannot get the following easy-cheesy app to work. I get the following error:
Argument '1': cannot convert from 'GenericsPOC.ArticleCollection' to 'System.Collections.Generic.IList<object>'
I tried casting specifically to IList<object> but then I get a runtime error:
Unable to cast object of type...
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by: Lonifasiko |
last post by:
I've got this in my code, that is, we're inside a class called Patient,
so a Patient can have Appointments:
private IList<Appointment> _appointments = null;
public IList<Appointment> Appointments
{
get
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by: Mark |
last post by:
I have a COM object that calls into a C# Forms library. The library can throw exceptions and I want to handle the exceptions in COM. Adam Nathan wrote a Microsoft sponsored book titled .Net and Com the complete interoperability guide which shows examples of how to do this.
Below please find the book example code for getting extended error information from a V-Table bound .Net component. This code does not compile because the compiler gives...
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by: PJ |
last post by:
I have a class definition :
public class PagingList<T> : List<T>
{
private int pageSize, pageNumber;
public PagingList()
{
pageSize = (this.Count == 0) ? 1 : this.Count;
pageNumber = 1;
}
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by: Lucian Wischik |
last post by:
Does ReadOnlyCollection<T> really implement IList<T>, like it claims
to do? ...
When I right-click on ReadOnlyCollection and look at its definition,
it says this:
public class ReadOnlyCollection<T>
: IList<T>,ICollection<T>,IEnumerable<T> ...
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by: Michael Primeaux |
last post by:
Why does the generic SortedList and generic SortedDictionary not define any
virtual members?
Thanks,
Michael
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by: nicolas.rolland |
last post by:
Would anyone know the reson why IList<Tdoes not implements IList ??
This results in strange behaviours, like
typeof(IList).IsAssignableFrom(typeof(List<string>)) --true
typeof(IList).IsAssignableFrom(typeof(IList<string>)) --false
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by: Lee Crabtree |
last post by:
This seems inconsistent and more than a little bizarre.
Array.Clear sets all elements of the array to their default values (0,
null, whatever), whereas List<>.Clear removes all items from the list.
That part makes a reasonable amount of sense, as you can't actually take
items away from an Array. However, there doesn't seem to be a way to
perform the same operation in one fell swoop on a List<>.
For example:
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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