Access ExampleObject Properties By Reflection On My BaseExampleObject?
Dec 10, 2009
On my Bussiness Layer, I have something like
Dim object as New ExampleObject
Where ExampleObject inherits BaseExampleObject.I want to know how can I access ExampleObject Properties by reflection on my BaseExampleObject.
Something like:
MyBase.GetType.GetProperty("PropertyName").GetValue(mybase.gettype, Nothing)
Of course thats not going to work because this is not an instance of an object and if I instantiate a new object, I'll lose the reference from my Bussiness Layer.
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Jun 10, 2011
I have a main form, a separate plugin interface dll and another separate dll. Now this is my problem:I'd like to access the properties of the controls of the main form for manipulation in the other dll.
Example:
MainForm
Plugins.dll
Data.dll
Main form have label control I define properties in the interface Plugins.dll from Data.dll I load Plugins to read the label control from the mainform.The question is how can I do that?
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Oct 6, 2010
I am trying to get the value of local path by doing the following[code]...
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Mar 19, 2011
I have a self-generated code in one assembly which in some of the lines includes properties, I was wondering how can I retrieve them? Especially when that class is a view object and does not contain any parameters so we can do it by data adapter and finding for example insert or update parameter.
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Apr 28, 2009
how to create an instance of a class then add properties to the class, set those properties, then read them later. I don't have any code as i don't even know how to start going about this. C# or VB is fine.
My system has a dynamic form creator. one of my associates requires that the form data be accessible via web service. My idea was to create a class (based on the dynamic form) add properties to the class (based on the forms fields) set those properties (based on the values input for those fields) then return the class in the web service.
additionally, the web service will be able to set the properties in the class and eventually commit those changes to the db.
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Oct 31, 2010
I am creating a dynamic clone method to be used in my custom classes. I want the clone function to be completely generic, so I do not have to make any changes when I add new properties to the class. I am having an issue with regards to making a deep copy a property that is a List. sample code that will enable me to identify with reflection that a property of my class is a List, and then more importantly the code to loop through the the List elements and copy of each of them. I have been able to identify a property as a List by using the NameSpace of the property type, but I'm not a big fan of that method. Either way, I have yet been able to dynamically loop and deep copy the elements of the property that's a List using reflection.
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Dec 19, 2011
I am able to use these COM objects but i do not want to due to several problems of binary compatibility on 3rd party software upgrades. So my only option was to use reflection since late binding won't work.I have several Interops and each one of them has several Classes, i do own the dlls structure, classes and methods names and definition but i am not able to use these with reflection due to my inexperience in this field.[code]
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May 18, 2008
I am currently using reflection to retrieve all properties of a class. I return a collection of PropertyInfo objects and all is working fine.
My problem is, I want to check if a property has been defined in a base class implementation and is therefore inherited in the current class.
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Jul 2, 2010
I have a very simple setup, single mycontrol.ascx with assoicated mycontrol.ascx.designer.vb and mycontrol.ascx.vb file.
mycontrol.ascx embeds a single reference to a custom control: "MyMenu":
<mM:myMenu id="myMenu1" runat="server" />
This has created a protected reference in the mycontrol.ascx.designer.vb file:
Protected WithEvents myMenu1 As Global.CustomControls.MyMenu
Now, when I breakpoint the Page_Load() event of mycontrol.ascx, and inspect the members returned from the type via:
Me.GetType().GetMembers()
I cannot any reference to myMenu1. If I look at the control with intellisence, the property is accessible:
Me.myMenu1
what I'm missing and what I need to do to access designer created properties at runtime through reflection?
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May 11, 2010
I'm trying to make a very simple audio tag editor. The idea is that the user can select as many audio files as he likes from a ListView, and a PropertyGrid will then display their tags + their values.When multiple files are selected, I want the property grid to display the values of the tags that all files have in common, and display empty values for tags that the files do not have in common.As an example, look at the properties list in your Visual Studio IDE when you select multiple controls (of the same type for this matter). Select a few Button controls, for example, and notice that the properties whose values are the same (often things like Font, ForeColor, etc) are displayed. Also notice that the values for properties that are not the same (Text, Name, etc) are empty.
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Jun 6, 2012
I'm trying to obtain the values using the prospective GetValue(s) methods but I don't understand the syntax of the documentation. I'm sending the correct bindings (I believe) to filter the fields, and properties that i'm interested in usually
[Code]...
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Sep 11, 2009
I wonder if anyone can help me - I've not done much with reflection but understand the basic principles.What I'm trying to do:I'm in the process of developing a class that gathers a lot of information about the local system, network, etc... to be used for automated bug reporting. Instead of having to change my test harness every time I add a new property, I'd (ideally) like to be able to serialise the lot as an XML string and just display that in a textbox.
Unfortunately, the Framework won't use the default XML serializer on read-only properties (which almost all of mine are) as they wouldn't deserialize properly [Not sure I agree with the assumption that anything serialized must be de-serializable - MS says this is a feature "by design" which I suppose I can understand - Perhaps a tag to indicate that it should be serialized anyway would be advantageous?]
The initial approach was to make properties gettable and settable (with a throw exception on the setter) but the amount of work tidying this up afterwards seems a little excessive and I would want the properties to be read-only in the final version.What I need help with:My current plan is to use reflection to recursively iterate through each (public) property of my topmost gathering class. The problem is, the samples I've seen don't handle things recursively. Additionally, I only want to inspect an object's properties if it's in one of my assemblies - Otherwise just call .ToString on it.
If I don't have the inspection limited to my assembly, I assume I'll get (say) a string which then contains a Length which in turn will have .Tostring method.For the purposes of this project, I can almost guarantee no circular references within my code and as this will only be used as a development tool so I'm not too concerned about it running amok now and then.
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Nov 10, 2011
I have inherited a large project written in a mixture of C# and VB.Net
The project involves many separate assemblies.
There are hundreds (or thousands) of resources (png files) that have been inserted into the project using the VB My.Resources functionality that I would like to access from some C# code, in a different assembly.
Microsoft has a KB article about this. It includes some sample code, but I can't get it to work (and I can't quite follow the code).
// Gets a reference to the same assembly that
// contains the type that is creating the ResourceManager.
System.Reflection.Assembly myAssembly;
[Code]......
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Jan 28, 2009
.net - Using reflection in C# to try and access My.Resources
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Mar 12, 2010
Is there a way for a property to access its own name and type at runtime using reflection? I want to access this info without hard coding the name or index of the property in the class.
Simple Example Code:
Private ReadOnly Property MyProperyName() As String
Get
Console.WriteLine((Get Current Property Info).Type.ToString)
Console.WriteLine((Get Current Property Info).Name)
[code]....
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Mar 6, 2012
If I have an application that load some assembly at runtime. Is it possible to access the events and the methods of these assemblies direcly, without always using Reflection
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Apr 10, 2011
I was trying to access the following property using Reflection because I don't have the original source code (suppose this was decompiled through Reflector). It seems that something is special about it being "private virtual" or maybe because it has "_" in the beginning of the property. I can access all the other private properties no problem except this one. Just can't figure out what I am doing wrong:
private virtual String _MyProperty
{
get
[code]......
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Jul 15, 2011
I was trying to access the following property using Reflection because I don't have the original source code (suppose this was decompiled through Reflector). It seems that something is special about it being "private virtual" or maybe because it has "_" in the beginning of the property. I can access all the other private properties no problem except this one.
private virtual String _MyProperty
{
get
{
[code]....
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Jun 23, 2010
Is there anyway that I can access all the properties of a control during runtime and
get their values. I dont want to specify the property name. I should get the all the
property names and their values. It is something like reflection namespace in VB.NEt
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Mar 15, 2011
i want to acess folder properties control of a particular folder in vb.net. how to do this?
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Dec 4, 2009
In c# asp.net mvc I can declare some public class like:
public class Foo {
public static string Bar {get
{return "bar";}
}
}
and access it from any html like:
<%=Foo.Bar;%>
right?Well, I have to do the same in ASP.NET MVC VB.Net but I cannot access any variable or method:
public class Foo
public Shared ReadOnly Bar as string
Get
[code]....
UPDATE:standard VB.NET puts modules in the namespace defined in your project.I had to type
MVCApplication1.Foo.Bar
how to create a module that doesn't wrap this into a namespace? Or have the view import the application namespace by default?
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Jan 31, 2006
I have an application which is grouped in a MainApplication and serveral Modules (DLL's) The Main Application is basicly a Form with a NavigationBar on the Left Side (like in Outlook 2003) and an MDI-Parent. There is also a Simple Login Routine on this Form. I store the UserName after Loggingn to a Property. The DLL's holds functionallity and Forms for various Sections for example there is a Employee.dll which holds functions and a form to show all Employees.
On Loading of the Main Application I loop trough all dll's in a "Module"-Folder and extract NavigationItems from them which I add to the MainForms NavigationPanel. I don't have a reference to the Modules because I want to make it as flexible as possible so that it is possible to delete a Dll form the Module directory in order to remove the functionality from the MainApplication. The Modules could work also without the MainApplication if they are Complied as an exe insted of DLL of course. This works fine so far.
[Code]...
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Oct 21, 2009
I have Form Class A, which is the "Main Form". An Event fired by Form A instantiates Form B, and sets Form A as it's owner. (which makes it be on top of FormA at all times)[code]...
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Mar 19, 2012
Is it possible to access the horizontal offset, which I can't find in the property list of the datagrid?
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Jan 17, 2011
I am using VB 2010 and have the following code written in C that is used to access some PDF properties. translate this to VB?
[Code]....
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Jul 29, 2010
In c# you can auto property a value with different level of access for the get and set . . . e.g.
public String myString
{
get;
[code].....
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Sep 3, 2009
I have a sub (Sub 1)that passes a control to another sub (Sub2) Sub2 only knows that the control will either be a picturebox ("Pict1") or a rich textbox ("Rchtxbx").I want to put code in Sub2 that does the following if the control that is passed is aPictureBox:ictureBox1.Load("C est.bmp")However I don't know how to do this as when I type in "x" in Sub2, it does not default to the PictureBox properties and methods.Is it possible to use the name of a control and wrap it in some sort of ControlType() enclosure that identifies its type and grants access to its properties and methods?
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Jun 10, 2012
I have dynamically generated some number of buttons. Now i need to manipulate them in such a way that clicking on one button should do something on another button. How to do it? I would prefer the code to be as simple as possible as i am tutoring amateurs.
Private Sub NewButton(ByVal ButtonNumber As Integer)
' set the button properties
btn.Name = "Button" & ButtonNumber
[Code].....
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Jan 6, 2012
I have the following code from a textbox leave event:
Private Sub txtdebt_Leave(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles txtdebt_0.Leave, txtdebt_1.Leave
Dim txtbxName As String = eventSender
CType(eventSender, TextBox).BackColor = System.Drawing.Color.White
search_index = Val(VB.Right(txtbxName, 1))
End Sub
I would like to assign the name of the textbox to the variable txtbxName.
I know it's within eventSender as I've seen it when drilling down but how do i get it out??
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Aug 18, 2011
I have a navigation bar which is dynamically populated with LinkButtons by an ASP repeaterControl.I have no problem accessing, and setting properties for the clicked LinkButton. This I can do using the sender object from the fired LinkButton. Once a LinkButton is clicked, it is highlighted in bold.
My problem is to clear the bold property of the previously clicked linkButton when a new LinkButton ( another RepeaterItem within the same repeater) is clicked. I cannot access the buttons through their ID, since they all have the same ID within the repeater. I have unique arguments on each RepeaterItem (CommandArgument), but when I try to iterate through all linkbuttons, only static linkbuttons are found, none inside the repeater. See below:
Dim c As Control
For Each c In Form1.Controls
If TypeOf c Is LinkButton Then
MsgBox(DirectCast(c, LinkButton).CommandArgument)
End If
Next c
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