C# - List All Invocations And Hardcoded String Parameters Of A Method From A .Net Assembly?
Nov 24, 2010
For example, assume that in my assembly, in Namespace A, Class B, there is an instance method with the following signature: void Test(string someString, int someOtherParm, string someOtherString ); This method is called multiple times, from multiple places in the assembly. I would like to be able build a list of all invocations of this method and the value of the someString/someOtherString (assuming they are hardcoded). In other words, I like to extract a list of calls like the example one below, if they happen in the assembly somewhere: Test("some text", 8, "some other text");
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Dec 9, 2009
The FxCop says in a rule that generic List should not be exposed to the outside world.But I do not understand why and what is the replacement for the generice List? url...
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Jun 9, 2009
When I am loading an Assembly dynamically, then calling a method from it, I appear to be getting the method from Assembly executing before the code in the method that is calling it.It does not appear to be executing in a Serial manner as I would expect. Can anyone shine some light on why this might be happening. Below is some code to illustrate what I am seeing, the code from the some.dll assembly calls a method named PerformLookup. For testing I put a similar MessageBox type output with "PerformLookup Time: " as the text. What I end up seeing is:
First: "PerformLookup Time: 40:842"
Second: "initIndex Time: 45:873"
Imports System
[code].....
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Aug 13, 2011
I'm trying to code a class of RandomNumber. One of the class methods needs to populate a "List (Of RandomNumber)" ... which was passed as a parameter to the method ... with 10 random numbers between 1 and 50. DEAD SIMPLE :)
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Aug 9, 2010
I'm returning to my old question since I've never been able to find an answer.
For example I have a class library A with a method Method, is there a way to load this assembly from my application B and execute this method (A.Method) without putting a reference to assembly A?
My idea isn't that the idea behind System.Reflection?
So far, I can only load the assembly, I can even enumerate classes, members, etc, but I cannot figure out how to invoke methods and read property values.
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Jan 5, 2011
First let me say: I am still very inexperienced with VB.NET so there is probably something simple I am missing, or at least that's what I'm hoping. I've been writing a COM exposed wrapper class to provide access to a web service in a legacy VB6 application. I got everything pretty much working as I wanted - all the COM properties, methods and events are showing up in the VB6 app - but for one minor detail: when I used a method which made a call to the service, it was obviously only working asynchronously, so I couldn't update a progress bar or do anything else while waiting for a corresponding assembly event to fire.
[Code]...
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Aug 3, 2009
I am getting a
"Method not found: 'Boolean MyCompany.LibraryAssembly.SomeFunction (System.String)'"
Exception/error when running a VB.NET console application. The method is part of an external assembly and it is definitely in the assembly. The error only occurs at runtime when I go to enter the function that calls the method. I have the assembly referenced by my project and I am not copying it locally. Intellisense shows no errors, and neither does the compiler. I am loading the assembly statically not dynamically. I reference the from a local folder (not the GAC) although the same version is also available from the GAC.
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Mar 11, 2011
Is there any class or specific method for getting non-primitive types in an assembly? FieldInfo.Gettype() will do for primtive types but what about non-primitive types?
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Feb 19, 2011
I am trying to print (to a text file) the fragmentation information give by Win32_Volume class using the DefragAnalysis method and have come up with the following VB.NET code:
Dim objReader As StreamWriter
objReader = New StreamWriter(FolderBrowserDialog.SelectedPath + "FragInfo" + "_" + CreationDate + ".txt")
Dim colItemsFragInfo As New ManagementObjectSearcher("rootCIMV2", "Select * from Win32_Volume where DriveType = 3")
[code]....
You do not need to defragment this volume.However executing this in Visual Studio returns the below:
Volume size: MB
Cluster size: MB
You do not need to defragment this volume.The point here is though it does NOT work under Windows Server 2008 R2, but does work under Windows Server 2003 (when executed in Visual Studio), WMI Code will work regardless of platform.
NB: i have played with the "Console.WriteLine" and changed it to "Debug.WriteLine" to output value to immediate window.
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Jul 29, 2011
I want the Function to accept List(Of String), Array & String and similarly return List(Of String), Array & String respectively. The Function simply adds a string (month) to the input collection. I just want to use it for string, array and list with needing to think of conversions.
[Code]...
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Jun 8, 2009
I am trying to call a method which has two parameters using thread. How can I do this? If I pass parameter to my thread.start() method, it is giving error.
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Apr 17, 2011
Is there a Visual Basic.NET method that can convert method parameters into an array?[code]...
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Oct 19, 2011
I am writing a alternative to GDI, and rigth now i am working at a logging function. The idea is that while you use the class to draw, it will write a logg of what you have done, which can be used to draw it back later. In that way i would be able to store a drawing with weary little disk usage.
[Code]...
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Aug 20, 2009
How would I go about passing parameters to a method? I would want to do the following:
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
ReceivingUdpClient = New System.Net.Sockets.UdpClient(6767)
Dim receiveBytes As [Byte]() = ReceivingUdpClient.Receive(RemoteIpEndPoint)
Dim ThreadReceive As New System.Threading.Thread(AddressOf receiveMessages(receiveBytes))
ThreadReceive.Start()
End Sub
Private Sub receiveMessages(ByVal receiveBytes As Byte())
'INSERT CODE
<br/>
End Sub
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Feb 1, 2012
How to pass a object that is initialized from a derived class to a method that has Interface as the parameter?[code]...
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Jul 27, 2010
I'm trying to use the Shell method however I'm having trouble because I want to open the file a specific way.
For example,
Shell("C:x.exe" -window)
However this gives an error.
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Jan 15, 2007
Our company has an app that load their components by System.Reflection.Load (By the way, an awesome technique )But, we start to monitorate the application and detect a extrange grow up of memory (actually when our application still all day on air, their allocate memory on task manager is 200 MB plus memory) And all of our components (60 plus DLLs) is load by this technique.My doubt is how to deallocate this assemblies or how the best way to deallocate any assemblies loaded by the System.Reflection.Assemblie.Load method?
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Jan 27, 2012
I have an inline lambda expression that I would like to use throughout my application. I just can't seem to find a reference on how to do this with more parameters than the element being tested. Here is a quick example of what I currently have.
Private Sub Test()
Dim List As New List(Of String) From {"Joe", "Ken", "Bob", "John"}
Dim Search As String = "*Jo*"
[Code].....
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Jun 5, 2012
Is there a way to create a method with unknown number of parameters? And if it this the case: How is it possible to get access to them within this method? Do they have to be from the same type?
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Apr 6, 2010
I have the following test method (VB.NET)
<RowTest()> _
<Row(1, 2, 3)> _
Public Sub AddMultipleNumbers(ByVal number1 As Integer, ByVal number2 As Integer, ByVal result As Integer)
Dim dvbc As VbClass = New VbClass()
Dim actual As Integer = dvbc.Add(number1, number2)
Assert.That(actual, [Is].SameAs(result))
End Sub
My problem is that when the test runs, using TestDriven.Net, the three method parameters are 0 and not the values I am expecting. I have referenced the NUnit.Framework (v.2.5.3.9345) anf the NUnitExtension.RowTest (v.1.2.3.0).
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Oct 6, 2009
I was familiar with the optional parameters in vb 6 and it made sense given the capabilities of the language but why the heck does VB.Net support optional parameters when there is method overloading? Which one should I use and is there a difference? If there is a difference when should I use each one?
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Sep 3, 2009
I have vb.net method and i call it from JS code i can't send parameter to this method and here is sample:[code]
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Jan 5, 2012
A friend in work suggested the use on classe to store the parameters BEFORE call a method. He's said this is called "Abstract Class". My "know how" of VB.NET is small... so, I want to know of you what mode is the best way: Call a function/sub like that:
[Code]...
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Sep 27, 2010
Getting this error message and I am not able to figure out why. Here is my code:
<asp:TextBox ID="searchParam" Width="250px" runat="server"></asp:TextBox><asp:button ID="btnSearch" runat="server" Text="Search" />
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="getCOMDLs" TypeName="NewEmployee">
[Code]...
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May 22, 2009
I have a COM component that I want to call using late-binding from VB.NET (using Primary Interop Assembly - PIA method). My IDL signature for the COM method looks like:
HRESULT Send([in]BSTR bstrRequestData,
[out]VARIANT *pvbstrResponseData,
[out]VARIANT *pvnExtCompCode,
[out,retval]int *pnCompletionCode);
So 2 'ByRef' parameters in VB.NET lingo, and a return value. I attempt to invoke this method like so:
Dim parameters(2) As Object
parameters(0) = "data"
parameters(1) = New Object()
parameters(2) = New Object()
Dim p As New ParameterModifier(3)
[Code] .....
This fails spectactularly with an exception: {"Invalid callee. (Exception from HRESULT: 0x80020010 (DISP_E_BADCALLEE))"}
I assume this means I'm doing something wrong in my parameterMods array. Because if I comment out setting any value of the ParameterMods array to 'True' - it works. It of course doesnt update the parameters that are [out] parameters and so it's not working as intended. Is there something else to consider since the method also has a return value? The MSDN example pretty much does exactly what I am doing, with the exception that example did not have a return value.
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Dec 18, 2010
I have nine pictures that I need to animate -I need to use the ToString method and a counter to concatenate a file name into a string variable from the Image.FromFile method. Once the counter reaches its maximum value, and the last picture is displayed, the counter should be reset to zero or one depending on how the first image file has been name. Also a static counter variable should be incremented in the time routine. what I have so far -- I know what I have to do; however, I just do not know how to code this properly.. Right now I have this going thru a button procedure but it needs to go through a timer.
[code]....
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Mar 23, 2011
Public Class notifierMain
Public Class Contacts
Inherits List(Of row)
Public Sub New()
[code]....
When I debug this winforms application I get curType = "notifier.notifierMain+Contacts+row" I want to the Validate function to know it is in MyContacts. How do I do this?
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Apr 12, 2010
I have implemented inheritance for two parent classes called Table and Field. Each parent class has several child classes. In the Table parent class, I created a method that expects parameter List(Of Field).
I get an error when trying to pass in parameter List(Of ChildField) to the method that expects a parameter of List(Of Field). The error message is as below:
Value of type
'System.Collections.Generic.List(Of
com.hlb.icisbatch.data.ChildField)'
[Code]....
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Sep 23, 2010
I am wondering on the complexity and advisability of translating hard-coded string values in my VB apps. I have used the GNU gettext library for C apps, but going through creating a custom wrapper to interop for my VB libraries seems redundant. I know that there is the option (which I have used) of doing satellite assemblies for localizing the form, but for the strings that I have coded this does not seem to work. how to use the power of .NET to extra the strings from my code, put them in a string table and have separate string tables be called based on culture selected?
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Feb 15, 2011
after working with some VB.net files in a project, I find that somehow the values of hard coded numeric double values have changed,that is:[code]This has happened in a lot of the source files of the project.When does this replacement take place? While I can understand that the original numbers cannot be exactly represented as double, I do not want this substitution, is there some way to prevent them? Initially I thought that was some behavior of the source control system (TFS)
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