activator Questions
10
Solved
I have a class which has the following constructor
public DelayCompositeDesigner(DelayComposite CompositeObject)
{
InitializeComponent();
compositeObject = CompositeObject;
}
along with a de...
Spurn asked 16/10, 2008 at 14:26
6
I'm trying to improve the performance of our application. We have a lot of Activator.CreateInstance calls that are causing some grief.
We instantiate a lot of classes based on an interface (ITabDoc...
Alnico asked 5/7, 2011 at 11:56
9
I have a class (TabControlH60) that both inherits from a base class (UserControl) and implements an interface (IFrameworkClient). I instantiate the object using the .NET Activator class. With the r...
Cariole asked 20/10, 2009 at 19:25
3
Solved
I try to write Activator action for changing current song rating.
I now that we can read MPMediaItemPropertyRating property and get rating.
But how can we change it from app?
Zettazeugma asked 7/6, 2012 at 7:0
2
Solved
I'm using Activator.CreateInstance to create objects by a type variable (unknown during run time):
static dynamic CreateFoo( Type t ) =>
Activator.CreateInstance( t );
Obviously, I do not ye...
Residue asked 11/9, 2018 at 21:50
5
Solved
Does System.Activator.CreateInstance(T) method have performance issues (since I'm suspecting it uses reflection) big enough to discourage us from using it casually?
Dialectic asked 20/5, 2011 at 9:1
4
Solved
I'm using the Activator to instantiate a new class based on the short name of an assembly (e.a. 'CustomModule'). It throws a FileNotFoundException, because the assembly isn't there. Is there a way ...
Emphysema asked 7/2, 2011 at 9:13
3
Solved
In the sample code shown below, the "CompileError" method won't compile, because it requires the where T : new() constraint as shown in the CreateWithNew() method. However, the CreateWithActivator&...
Becca asked 12/9, 2016 at 5:58
3
Solved
Assume a class with a parameterized constructor as:
MyObject(string param1, string param2, string param2)
{
...
}
I have a Generic method that returns an instance of the Generic Class and
MyOb...
Gypsie asked 10/7, 2015 at 19:9
5
Solved
In my reflection code i hit a problem with my generic section of code. Specifically when i use a string.
var oVal = (object)"Test";
var oType = oVal.GetType();
var sz = Activator.CreateInstance(oT...
Kitts asked 19/1, 2010 at 9:47
1
Solved
Look at the sample code below
var genericNullableType = typeof(Nullable<>);
var nullableType = genericNullableType.MakeGenericType(typeof(bool));
var returnValue = Activator.CreateInstance(n...
6
Solved
I have an example:
Assembly asm = Assembly.Load("ClassLibrary1");
Type ob = asm.GetType("ClassLibrary1.UserControl1");
UserControl uc = (UserControl)Activator.CreateInstance(ob);
grd.Children....
Jolinejoliotcurie asked 24/5, 2012 at 7:22
5
Solved
I'm tossing around the idea of using the Activator class in order to get access to resources in an assembly that I would otherwise create a circular reference for (dependency injection). I've done ...
Pottage asked 5/3, 2009 at 13:58
2
Solved
I have a class which contains an empty constructor and one that accepts an array of objects as its only parameter. Something like...
public myClass(){ return; }
public myClass(object[] aObj){ retu...
6
Solved
I try to set a Nullable<> property dynamicly.
I Get my property ex :
PropertyInfo property = class.GetProperty("PropertyName"); // My property is Nullable<> at this time So the type coul...
Usable asked 28/9, 2009 at 18:47
4
Solved
The below code won't work, I wanted to know how I can dynamically cast an instance to a type determined at runtime?
Convert.ChangeType() returns an Object that still needs to be cast. So does all ...
1
I'm trying to use Activator.CreateInstance Method to dynamically create a new instance. But when I pass the instance of a class that is implicitly castable to the actual type (in constructor), I ge...
Ptolemaic asked 5/1, 2014 at 9:55
5
Solved
I have a generic type Store<T> and use Activator to make an instance of this type. Now how, after using the Activator, can I cast the resulted object of type object back to the instantiated t...
Anaphrodisiac asked 4/2, 2012 at 12:30
5
Solved
In C# I have the following object:
public class Item
{ }
public class Task<T>
{ }
public class TaskA<T> : Task<T>
{ }
public class TaskB<T> : Task<T>
{ }
I...
Transistor asked 20/7, 2009 at 1:58
2
Solved
I want to create some instances of classes via Activator.CreateInstance(...). All classes inherit same abstract class. The constructor has one parameter.
Classes and constructors should not be pub...
Duster asked 15/10, 2013 at 12:2
5
Solved
My code is
type = Type.GetType(key);
Key which i pass is a namespace qualified name .
My code is in BusinessLayer. I am creating a instance of DataAccessLayer.
DataAccessLayer reference is a...
Player asked 16/9, 2011 at 6:36
4
Solved
Can you clarify me why in this piece of code:
private Dictionary<Type, Type> viewTypeMap = new Dictionary<Type, Type>();
public void ShowView<TView>(ViewModelBase viewModel, boo...
1
Solved
After I run my test that runs my suspect code; I cannot rebuild the assembly in Visual Studio until Nunit (or more specifically nunit-agent.exe) is ended.
The error is:
Could not copy "C:\path\My...
Luca asked 22/10, 2012 at 1:7
2
Solved
I'm trying to refactor a piece of code and ran out of options I can think off.
This is the original code I had:
if (WebConfigSettings.ComPartition == null && HttpContext.Current != nul...
1
Solved
A friend and I were testing using compiled expressions for object creation instead of Activator.CreateInstance<T> and ran into some interesting results. We found that when we ran the same cod...
Valetudinary asked 6/9, 2012 at 20:2
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