3 Dimension Dynamic Array?
Jan 12, 2010I am having trouble conceptualizing how to create and load my 3d Array. The Project does the following:
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[2005] Convert One Dimension Array To Two Dimension Array?
Feb 5, 2009I have an one dimension string array ar1
ar1(0) ="One;is;a;dog;"
ar2(1)="Two;is;a;cat;"
...
I want to convert ar1 into ar2 which is a two dimension array
ar2(0)(0)="One";ar2(0)(1)="is";ar2(0)(2)="a";ar2(0)(3)="dog"
etc
Add Together Only 1 Dimension Of Array?
May 1, 2011How do I use only one dimension of an array? What I have going on is: I have an array suit(1, 4) and rank(1, 13) to represent a deck of cards. What I want to do is take the value of the rank of the selected item in my listbox to be able to add it to the rank of other selected items in the listbox (essentially adding the players hand together). [code]...
View 5 RepliesFor Loop For 2 Dimension Array?
Nov 3, 2011I had insert value from datagridview to array
but how to make the array become for loop function?
Dim rowNo As Integer = 0
counter = dgv.RowCount()
[code].....
Get One Dimension From A Bi-dimensional Array In .Net?
Feb 26, 2010I have an application in VBA that gives to my VB.Net dll one bi-dimensional variant. It is a an array, in which every component is a another array containing two positions.
I want to get this two-position array. When I am using VBA I can access directly the data from each position by doing:dataArray(index, 0) or dataArray(index, 1)And when I want to get the two-position array I can use:
Dim posArray as variant
posArray = dataArray(index)
[Code]...
Add Additional Dimension To Output Array?
Oct 6, 2010I need to add an additional dimesion to outputArrayOfBits() in the code below which I hope conveys my intention. I need to convert a one dimensional array of 1 to n boolean (bit) values into arrays that group them by 8's so the output can be consumed by someone needing these values to be in hex format (0000 1111) = 0F How do I change the declaration of 'outputArrayOfBits and the nested control loop to achieve that?
Dim inputArrayOfBits As New BitArray(32, True) ' I can't change this.
'Create array of bytes containing what will be sent out has hex numbers 0 - F
'outputArrayOfBits(0) = (1,1,1,1,1,1,1,1) 'Hex value FF
[code]....
How To Load A 2 Dimension Array With Strings
Apr 21, 2011I need to manipulate data for 1000 boxes, each one of these boxes has 8 variables.How to declare an appropriate array? and how to load the array with the 8 variables for each box?
View 20 RepliesMulti-Dimension Array With Looping?
Feb 20, 2011I am trying to create a multi dimension array that will search each row of the array and total up the number of 0's 1's, 2's, and 3's. I believe that I need to create some sort of looping structure that will search through each row of the array.I have created a listbox that will allow the user to pick which row of the array the program will search.This is what I have created so far, but I am only just learning and I am having trouble wrapping my head around how arrays work. So I'm not sure if I am on the right path or not.
Dim racescores(,) As Integer = {{0, 1, 0, 3, 2},
{1, 0, 2, 0, 0},
{0, 3, 0, 1, 0},
[code].....
Returning New Array Dimension From Within Function
Jun 22, 2011I'm trying to return changes to array data, including redimensioned arrays, from within a function call in code similar to:
fault = MyFunction(Array1, Array2)
Public Function MyFunction(ByVal inObj1 as UserStruture(), ByVal inObj2 and Integer(,)) as String
Dim myResult as String = "Failed"
Dim tmpStruct() as UserStructure = inObj1
[Code] .....
This works fine in updating the input array 'Array1', only when the redimensioning of tmpStruct is NOT performed. After redimensioning tmpStruct, the redimensioned array is passed back successfully into 'inObj1' within the function 'MyFunction', but is not passed out of the function call; i.e.
fault = MyFunction(Array1, Array2) -
The dimension of array 'Array1' out of the function call remains as it was before the function call. However, the data change; i.e.
tmpStruct(0).Nam = "New Name"
is passed successfully out of the function call.
Why the Redim operation is not passed back out of such function calls. I would like to return changes to arrays 'Array1' and 'Array2', plus a result string from the function call if I can. Furthermore, I would also like to change the dimension of the array within the function call, if required, and return the complete redimensioned array back out of the function call.
VS 2008 Redim Last Dimension Of Array
May 13, 2010I have the following array in my project that I'm trying to redim without losing the values.The problem with redim preserve is I can only redim the last dimension of the array. I want to redim the 2nd dimension without losing data. How do I get this to work?[code]
View 11 RepliesJagged 3 Dimension Array Versus Lists?
Oct 18, 2011i have used in vba 3 dimensional jagged arrays where i had up to 10000 rows. i am now transferring this to vb.net and learnt that it would be better to work with lists. the dimensions are such as (30, 10000, 30). how would i structure this by using lists?
View 8 RepliesMake Some Single Dimension Array Lists?
Sep 7, 2010I've managed to make some single dimension array lists but I can't figure out a multi dimension arraylist.
Here's what I'm trying to do:
I have a database (mdb) with 5 columns that I want each row to be in an array list.
In PHP what I'd typically do is:
$array[$field1] = array($field2,$field3,$field4,$field5);
How I do the same in vb.net so anytime I need to fetch an item for a specific for the row1 I could call it?
For a single dimension I could do the following, but I can't figure out how to add more fields to a single array row:
Dim tmpArrayX As New ArrayList
tmpArrayX.Add(field(0))
tmpArrayX.Add(field(1))
etc...
.net - Clear Part Of The Data From A Two-dimension Integer Array?
Feb 3, 2011If my array is A(i,j) can I use Array.Clear to zero all of the elements for i=2, for example. It does not work as I expected.
View 1 RepliesClear Part Of The Data From A Two-dimension Integer Array?
Jul 19, 2011If my array is A(i,j) can I use Array.Clear to zero all of the elements for i=2, for example. It does not work as I expecte
View 7 RepliesIDE :: Cannot Find The Component - Creating A Two Dimension Array Of This Item?
Mar 14, 2012I retired recently from a job where we had VS2010 Professional for doing ourdevelopment. Now that I'm retired I can't afford "Pro" and cannot find the component than looks like this (see above). Is/was that component left out of the "Express" version? Do I have to "load" it (and, if so, what name should I look for)? I vaguely remember it being some kind of container for other components.As a follow-up question - can anyone provide a (readable) example of creating a two dimension array of this item I could study?
View 6 RepliesPattern Matchinga Grid/ Multi Dimension Array?
Mar 28, 2009I have a grid 10x10, at present is in the form of a multi-dimensional array:
my_Array(10, 10) as char
[Code]...
Additionally this shape can be in any orientation and more than 1 as in the above example.Does anyone know a quick way to do this? e.g regex?Or alternatively achieving the same result by using a different structure rather than a multi-dimentional array?
Create Multi-dimension Array From Multiple Text Files?
Sep 28, 2011I'll explain what I'm working to eliminate the assumptions of a brute forcer. I'm working a Random SQL Data generator. What I need is a way to create a multi-dimensional array from multiple word lists, 1 dimension per word list. I have tried a few different things and nothing I've tried works. However, I have got it to work with a single word list and an array of 1. I figured there is a more efficient way of doing this than writing a massive block of select case and using multiple 1 dimensional arrays, this would end up very messy and inefficient it seems.No this is not for homework, this is for personal learning use only.I would post my code, but like I said, nothing I've tried comes close to working.
View 5 RepliesVS 2008 - 2 Dimensional Array - Error: Redim Can Only Change The Rightmost Dimension
Sep 22, 2011I have a gridview in my asp.net website that and I use vb for the code behind. Each time a row is bound an even called the Gridview_RowDatabound event is fired. So what I am doing is looping through all the cells in that row: [Code]
Problem is I get an error saying redim can only change the rightmost dimension. It would suit my needs to change both dimensions here as my final result will be to total each column in the array. what other method can i use if arrays don't suit this task.
Get A Dimension Of An Array As An Array From A 2D Array?
Jan 7, 2010I have this 2D array:
Private _Chars As String(,) = {{"`", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "-", "="},
{"¬", "!", """", "£", "$", "%", "^", "&", "*", "(", ")", "_", "+"}}
[code].....
Dynamic Array Of Objects?
Oct 7, 2008I have BIG trouble trying to understand the decleration and creation of an instance with respect to arrays of objects. Basically I struggle with with this error:
Object reference not set to an instance of an object.
complete the test code I made below, so that I can try to understand it..? Been figthing with this for hours..
Code:
Public Class Point
Public x
Public y
[Code].....
Fill Dynamic Array From XML?
Feb 23, 2010I want to build an array with info from an XML file.
The number of columns is static, but the rows will be increased once in awhile and I want one column to populate in a combobox while corrosponding selectedindex appears in a textbox. I think I can figure that part out, but currently stuck at the array building.[code...
Bitmap Array With Dynamic Contents
Apr 2, 2010I'm working on a program that has to get a set of images and then scan them to find pixels that match colors in an color array. Anyway I think I got everything working but how to load the images in as bitmaps. See the images are dynamic, they change there filenames so I can't call them with a static call like Dim bmp2 As New Bitmap("c:button.gif").
So I am using a loop to feed the images into an array for bitmap but thats not working, anyway that I can do this as, right now the program gets all the filenames for the images from a text file that is sent in to us. All I need to do is have the program check each image for pixels that match our color list. But I cant get the images into the bitmap array.
Creating A Dynamic Array Of Data?
Sep 20, 2009[URL]..And put into a dynamic array where each month represents a record in the array with 3 given with C/P, Strike and Settle
The criterion is for every month grab all C/P that have matching strikes thus returning the following for every month. See data below and what I would like to return below. Want to use excel VBA to return the values from array into a sheet in excel. See data below
[Code]...
Dynamic Array - Printing Out Not Valid
Nov 29, 2009I created a code that will prompt someone to enter a name and if the name is in the array it should print out the correct integer, but it keeps printing out not valid.
Private Sub btnDisplay_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnDisplay.Click
Dim strSub() As String = {"Jasmine", "Sean", "Devon", "Jontae", "Whitney"}
Dim intNumb() As Integer = {15, 10, 11, 12, 5}
Dim strSearchFor As String
[Code] .....
Dynamic Array Of Byte Arrays?
Jun 24, 2009A project requires to allocate a varying number of byte arrays (buffers).
It would be ideal if the following definition would be possible:
Dim ArrayOfBuffers() as buffer(10000) as Byte
The byte arrays must be ordered sequentially because they have to be written to a file by efficient procedures destinationFile.Write(ArrayOfBuffer(3),1000,1000)
The number of buffers will change during program execution sometimes. Therefore it would be nice to be able to do a ReDim on the data structure when needed.
Dynamic Array Of Custom Class
Jun 16, 2009I've been programming in VB.net for a while off and on, but never really had a need to use custom classes till now.I built a function in a module to populate a class, The class how ever is supposed to refer to one instance.I need to create an array of this class but the amount of instances needed is not always known.Works fine till the class goes to populate the class array.[code]It's probably something simple, I've just starred at it to long. Keep gettitng "Object reference not set to an instance of an object."
View 1 RepliesHow To Create Dynamic Byte Array
Apr 7, 2010Does this create a dynamic byte array?
Code:
Private m_renderedReport As Byte()()
Or this actually creates a structure?
How To Determine Size Of Dynamic Array
Jul 28, 2011I'm trying to find the sum of all the digits that make up the number 2^1000, which you may have guessed is from Project Eula. I think it's good so far except I'm just learning about arrays and dynamic arrays, so how will I know what the size of the index will be so I can specify when the Do loop should stop so I don't get an indexoutofrange exception?
vb.net
Dim BigNumber As Double = 2 ^ 1000
Dim DigitArray() As Char = BigNumber.ToString.ToCharArray
Dim Index As Integer = 0
Dim SumOfDigits As Integer = 0
[Code] .....
How To Get The Size Of A Dynamic Tab Delimited Array
Feb 2, 2010I m trying to manipulate some excel sheet data in visual basic but for tht i hv converted the excel file into text tab delimited file. now i m able access each column n row value as i want but the prob is the text file has to b input n the no of columns in it could be varied so i need a method to count the number of elements in th tab delimited array wen first time the text file line is read.
View 8 RepliesPossible To Program Dynamic Array As Double?
Jun 10, 2011Basically im having problems programming an array as double. I have it as ' public arrytotal() as double ', however I keep getting the error messages
1. Error 5 Operator '+' is not defined for types '2-dimensional array of Double' and '2-dimensional array of Double'. C:UsersAlexDocumentsCafe AssignmentCafe AssignmentconverthomeBackupWindowsApplication2Form2.vb 115 22 WindowsApplication2
and
2. Error 1 Value of type 'Double' cannot be converted to '2-dimensional array of Double'. C:UsersAlexDocumentsCafe AssignmentCafe AssignmentconverthomeBackupWindowsApplication2Form2.vb 84 19 WindowsApplication2
Is it possible to program an dynamic array as a double? i have seen examples of this online, but cannot seem to do it.