Add An Array To A Storage Collection?

Feb 15, 2012

I currently have the following bits of


I want to add an array to the class `StopwatchStorage` but can't figure out how without some ambiguous warning or error popping up. The Array will contain TimeSpan type elements (essentually an array of Stopwatch.Elapsed values)

How do I declare and add a dynamically sized array to the class. I know that I will have to use the UBound function each time I want to add a new array.


PictureBoxes In Collection Or Array?

Jan 7, 2010

I have 5 pictureboxes on my form and would like to but then in a collection or array to use them in a loop. I would like to use the FOR EACH loop... but how..
Th pictureboxes are placed in a Table. Here is my code so far.


It says that PictureBox is a type and can not be used as an expression, so how do i do it?

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Set Bindingsource Into Array / Collection?

Jun 11, 2011

Let say i have 10 properties of bindingsource.The names are: bindingsource1, bindingsource2, bindingsource3, ....., bindingsource10

i want to develop a code using loop for these properties.[code]...

Is it possible to replace the number in the bindingsource with i?[code]...

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.NET XML Web Service Returned Collection As An Array?

Mar 21, 2012

I am working with an XML web service using VB.NET, created using VS 2010. One of my web methods returns a collection(type that inherits from list) of custom objects. It's a simple return statement, it is my understanding that .NET handles most of the tricky protocol stuff as well as serializing/unserialzing of objects.

The issue is in my consuming application when I get the the return value of the web method that returns a custom collection I get an array of the custom objects. Is this normal behavior? It will be easy enough for me to take that array and insert it into a custom collection object but if I could I would like to skip this step.

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Create A Backgroundworker Array Or Collection?

Oct 17, 2008

Working on a project that tests up to 16 PC boards. The test routines are on a a backgroundworker thread. I want each PC board to perform the test routine on its own thread, so I would need up to 16 backgroundworkers.How do I go by doing this? Do I put 16 Backgroundworkers on the form? I tried to do it programmatically but I can't declare an array of backgroundworkers because withevents variables can't be typed as arrays. I guess I just need a kick in the right direction.

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Creating A Collection Array From Textbox's

Jan 12, 2010

I have a group of boxes witch will all hold data input by the user. I am using an arraylist to store these, or atleast I am hoping to. So, the problem I have is getting the data to actually save to the arraylist. It keeps giving the error saying that type string cannot be converted to array list.

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C# - Most Optimized/effective Way To Convert A Collection Into An Array?

Jul 6, 2010

I have a collection which I wish to retrieve an array from in .NET 2.0. In other words, I want to convert a collection into an array. So far I have the following:

Public Class Set(Of T)
Implements IEnumerable(Of T)
Implements ICollection(Of T[code]....

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Copy A MySQL Table Into An Array Or Collection?

Jan 29, 2012

I want to know how can I possibly copy a table with multiple columns and rows into an Array or Collection in VB.NET.I want to know the best solution because I want to use the code for 2 different tables and do some comparisons, and the second table has too many records.I was wondering if in VB.NET there is something similar to Hashmap used in java and a table could look like the following

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Display A HashSet As Either A Collection Or An Array In The PropertyGrid?

Dec 21, 2011

How do I Display A HashSet As Either A Collection or an Array in the PropertyGrid.I wish there was some Attribute that allow me to display IEnumerable as an Array...but so far my attempts to do that have failed!My current solution is unacceptable in the new places I want to use it in


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Replace Two Dimensional Array With A Collection Or List?

Mar 17, 2010

I am using 2 dimensional arrays for my work. My problem working with them they are incredibly slow for my work. I am starting the array with randomly assigning values (non zero) to the array. Most of the array values are zeros as shown in below form (e.g. 5 x 5):


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Store Items In A Collection In String Array?

Sep 2, 2009

I have a string array called m_DirFileList and a collection called myFileCollection. I'm trying to loop through the items in the collection and store each one in the string array. It's not working though.


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Storing Items In A Collection In A String Array?

Sep 28, 2009

I have a string array called m_DirFileList and a collection called myFileCollection. I'm trying to loop through the items in the collection and store each one in the string arrayIt's not working though. This is what I'm trying to do:

Dim myFileCollection As Collection = clsFTPClientClass.GetFileList(fileFilter, True)
intItems = clsFTPClientClass.GetFileList(fileFilter, True).Count()


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Strongly Typed Multidimensional Array / Collection

Jun 8, 2012

I want to create a strongly typed multidimensional array or collection containing the following values from a database:[code]

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VS 2005 - Convert Matches Collection To Array?

Jun 2, 2011

I tried this
Dim matches As String() = Regex.Matches(tmpFieldContent, strEmail).Cast(Of Match)().ToArray()
But it didn't work, as vb says
'Cast' is not a member of System.Text.RegularExpressions.MatchCollection'.

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VS 2008 - Two Dimensional Array / List Or Collection

Jan 29, 2010

Is it possible to have a two-dimensional array/list/collection such as the following. The first dimension is to have 2 elements, 0 and 1. The second dimension I would like to be able to have a different number of elements for each of the elements in the first dimension. To explain better, I'd like X in array (0, X) to go up to say 4 and Y in array(1, Y) to only go up to say 2.

So there would be:
But no array(1,3) or array(1,4).

I'd also need to be able to use Redim Preserve to increase the size of the second dimension for each of the first dimension's elements.

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VS 2008 Dgv Detail Text Box To Array Or Collection?

Jun 20, 2011

I have a parameterized query that displays the info (name, phone number, email addy) in detailed text boxes vice a normal DGV. I have coded a button to open outlook and populate the email address, but what I would like to do is have the user click another button that would add each email address into an array or collection from the desired records. Then, when they added all desired recipients to this "collection" they would hit the email button, which would open up outlook with the To: box already populated.*

I have looked into dynamic arrays , generic and special collections but am not sure what the best way forward is. When using the dynamic arrays I didn't really get anywhere, I couldn't seem to figure out how to redim with each addition of an email address.

Dim emaillist() As String
Dim listings As Double
Dim addy As String


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Place Dynamically Generated Objects In An Array (or Collection)?

Apr 11, 2011

I created a custom class for a custom object. I instantiate like so[code]...

Now, I have two problems. First, right now this is just overwriting the same object properties, again, and again. I need to somehow dynamically name the object. Then, I need to place these objects in an array so I can iterate through them...

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Using Array / Collection Values In Control-names / Attributes (in VB)

Mar 5, 2012

I am working on my first VB application and have run into a problem. I am trying to loop through some data and displaying them in labels. I am using a for-each loop but end up with different row with the same labelname. What I would like to do, is to assign a number to the labelname (mylabel1, mylabel2,...), but I can´t figure out how, and I cant find anything online that will work. Here are some of the code that I have made, where I could use a solution to my problem...


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.net - WPF Binding Individual Text Boxes To An Element In A Collection Object Or Array?

Oct 27, 2010

I need to bind a textblock.text property to a single element in an observable collection, or array element, and have the text update using the INotifyPropertyChanged or INotifyCollectionChanged, whichever is best.

Most examples describe ways to bind listboxes or other list views to entire collections, but my application needs to update several textblocks on a screen depending on notification of a change in one or more elements of an array.

textblock1.Text = MyArray(0)...
textblock2.Text = MyArray(1)...
textblock3.Text = MyArray(2)...
textblock4.Text = MyArray(3)...

Is it possible to bind a single textblock to a single array element? Is it possible to get notification of the proper type that will update one or more of the textblocks if any assigned element changes?

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Collection(Of T) A 0-based Array Or 1-based Array?

Feb 26, 2009

If it's 0-based, how can we add a placeholder to make it 1-based?

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.net - Storing Subcollections (filtered Versions Of The Main Collection) Inside The Collection As Cache?

Jan 15, 2010

Is it good practice to store sub-collections of item X inside a parent collection of item X for caching 'filter-queries' which are performed on the parent collection? (They won't be used together (as in color AND type).) Or is it also ok to just Loop over the collection and return the correct entities in a temporary collection?


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C# - Edit List Collection : Error Note Collection Was Modified - Enumeration Operation May Not Execute?

Sep 7, 2011

I have the following classes:

Product, Service and OrderItem

Product and Service must inherit OrderItem. So basically I want to store OrderItem object in my shopping cart and these object are store in a list.

Public MustInherit Class OrderItem
Private m_enuItemType As TypeOfItem = TypeOfItem.None
Private m_strUserID As Integer[code].....

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Make A Custom Collection That Take Advantage Of The Collection Editor?

Feb 8, 2010

I have been researching for a couple of days now and to no avail. Does Anyone know how to make a custom collection that take advantage of the collection editor? I would like to be able to have 3 Color Values, 1 Boolean and 1 String.

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.net - Collection Initializes For Read-only Collection Properties?

Jul 25, 2011

I'm trying to support Basic.NET on my framework so I'm trying to convert C# 4 code to Basic.NET 10. Microsoft is committed to "co-evolve" these two but I'm having a problem with collection initialization... I found that I can initialize a collection much like in C#:


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.net - Search The Collection Of A Collection In LINQ Where Clause?

Apr 15, 2009

I've got the following ADO.NET Entity Framework Entity Data Model:I want to find all the Policyholders with both a Service of a given Id and also a Keyword of a given Status.

This LINQ Does Not Work:

Dim ServicesId As Integer = ...
Dim KeywordStatus As Integer = ...
Dim FoundPolicyholders = From p As Policyholder In db.PolicyholderSet.Include("Keywords").Include("Services") _
Where p.Services.Id = ServicesId _
And p.Keywords.Status = KeywordStatus _
Select p

The Where clause cannot search the p.Services and p.Keywords EntityCollections in that way.


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Accessing And Adding Items To A Collection That Is In A Collection?

Apr 6, 2012

currently in my application I have a Global Collection that is a Collection of Collections.Currently I am trying to add items/ elements to one of the child collections of the Global Collection but I am unable to use the collections methods of the child.When I assign a variable to the child collection and return the collection it is just an object with the collection inside.

Dim GlobalCollection as New Collection
Dim ChildCollection1 as New Collection
Dim tempCurrentCollection[code]......

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Collection Index Must Be In The Range 1 To The Size Of The Collection?

Dec 17, 2009

I've been working with a CMS called InsiteCreations 2008. I'm running into an error I just can't wrap my head around. I would even be willing to compensate anyone a small amount over paypal, for a solution. The error is rare in occurance, and appears when clicking about 3-4% of links to other pages within our CMS.The full code page is quite large, but there seems to be only one function associated with the error.  The error also only appears when not logged into the CMS. If logged into the CMS, clicking the link simply displays the page as normal.  I have already checked permissions on the page from the CMS admin console, and it is public.

The error message is as follows:

Server Error in '/' Application.Collection index must be in the range 1 to the size of the collection.
An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.


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Search The Collection Of A Collection In LINQ Where Clause?

Apr 15, 2011

search the collection of a collection in my LINQ Where clause?

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How To Storage Some Information

Apr 8, 2010

I need some input how to storage some information.The information I wish to store is a list (1-300) that contains the following:

-Raw material (string)
-An array of Value (double or long)
-An array of Date (string preferably)

My first approach to this was looking at the structure statement but I couldnt figure how to use the array within the structure statement.

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IDE :: Not Enough Storage Space Is Available?

Nov 30, 2006

Almost every one hour, when I run the project

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Storage Fpr SSL Files?

Dec 30, 2010

I am using a MySQL Server on the net and a Windows Forms client program, which connects to this server.

I want to use SSL and have prepared everything, that this can be used. My primary question now is as follows:Where / how to store the files for the SSL certificate as best way? As embedded resource? as external file? As part of the My.Settings environment?

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Use Memory As Storage Instead Of HDD?

Mar 31, 2012

I have been trying to do this for about a month now (hard to get answer quick because of school), but i need to decrypt a file into memory. I know you have to "write all bytes to memory" but i have two problems with that, 1. I have never touched on that itself and don't know how to write the bytes of an executable to memory, 2. I still wouldn't know how to decrypt it in memory. Right now my code is:

ElseIf entype = "rc4" Then
If File.Exists(thepath & exerandname) Then
Kill(thepath & exerandname)


it checks if the file exist then deletes it, then it opens the file and decrypts (_4reversecr.enc) the file(Cutter(1)) with the key (key)?

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.net - VB In Program Information Storage?

Oct 7, 2011

I'm making an installer that needs to have information stored inside the exe itself.I cannot use my.settings because it is stored outside the application and if it is changed and the exe is moved to another computer it will reset to default.

And I cannot use resources since I cannot add/edit resources after the application is build.

Is there any way I can store and change info even if the application is moved to another location?

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Creating Isolated Storage?

Jan 12, 2011

I was reading an article about isolated storage and thought of doing the following.Encrypt files.Add them to Zip.Unzip the file,decrypt the content and copy all the files and folders into an isolated storage and then load a specific file into a web browser and launch lets say an HTML page I got stuck on the Isolated Storage thingy

here is a part of my code

'So far i unzipped the content of the Zip file
'Setup file streams to handle input and output.
fsInput = New System.IO.FileStream(strInputFile, FileMode.Open, _


Encrypt files.Add them to Zip.Unzip the file,decrypt the content and copy all the files and folders into an isolated storage and then load a specific file into a web browser and launch lets say an HTML page)

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Solution For Structured Storage In Wpf?

May 30, 2009

what is the best solution to save data in structured storage?

i need this for a wpf application

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.net - Parallel.ForEach Local Storage?

Aug 3, 2010

I recently changed a For Each loop to a Parallel.ForEach loop. I'm concerned about an object being declared outside the loop but assigned while iterating in the loop. Here is the simplified code.

Dim results As ModelResults
Dim noResultsModel As New List(Of ModelResults)
Dim lock As New Object


Is there a potential race condition with the results object? Would anything be different if I moved the declaration of results into the for loop?

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Accessing MP3 Player / USB Storage Device?

May 14, 2009

I'm trying to access a USB Storage device, however the device although appearing in the commputer / Drives section, is not allocated a Drive letter, thus when I itterate through the attached drives link text it does not appear, I've taken the "Location" from a file on the drive (properties) and it comes up as COMPUTER/Q1/Datacasts but this doesn't work when I pass it to the FileInfo Object (network drive cannot be found) And I'm at a bit of a loss at which way to procced

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Add A Document Storage Module To AR Software

Jul 7, 2009

I am attempting to add a document storage module to our AR software. I will be prompting the user to attach a doc/image to thier account. I will then put a copy of this file into our folder so that we can reference it without having to rely on them keeping the file in its original place. This system is not using a database but instead its using multiple flat files.

I am looking for guidance on how to handle these files once they have attached them to our system. How should I store these attached files? I was thinking I could copy the file over to a sub directory then renaming it to a auto-generated number so that we do not have duplicates. The bad thing about this, is the contents of the folder can get rather large.

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C# - Access Images From External Storage In ASP.NET?

Jan 21, 2010

I have an ASP.NET site in a web server and the images are stored in NAS (some kind of lacie external storage), I tried UNC and other things but no can I access images from external storage in ASP.NET

Update: The images are reachable from the server but when I try to access in ASP.NET throws me error.

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Contents Of Mass Storage Device?

Aug 19, 2010

I have a listbox (ListBox5) and what i want to happen is when, and only when, a USB mass storage device is inserted a list of the files will appear on the listbox - and then when your press the button marked "Remove File" it will delete the selected file off the USB

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