Getting Values From Array Of Programmer-Defined Type
Mar 22, 2009
I've declared a class called WindowIDNamePair in which I associate the hwnd of a window with the window's text. (See end of this post)
I've declared an array of type WindowIDNamePair as follows:
Private windowList(0 To 500) As WindowIDNamePair To test the array and class I'm doing the following:
windowList(0) = New WindowIDNamePair(1, "a")
windowList(1) = New WindowIDNamePair(2, "b")
windowList(2) = New WindowIDNamePair(3, "c")
[Code]....
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Sep 13, 2011
I feel quite silly asking this, but I couldn't find a definite answer anywhere. in vb.net, how are the array elements defined (if they are defined) for, for example:
Dim myarray(5) as int
does, at this point in time, myarray(3) for example have a defined value? If so, what is it?
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Apr 2, 2009
i'm using VB.net 2003 application program. i'm trying to convert a VB6 program to VB.NET. The VB6 code i'm trying to convert is shown below. declared g_Share() array in module and trying to add values to it inside form.
[Code]...
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Apr 2, 2009
i'm using VB.net 2003 application program. i'm trying to convert a VB6 program to VB.NET. The VB6 code i'm trying to convert is shown below.declared g_Share() array in module and trying to add values to it inside form. VB6 (Code inside Module)'Global type array to hold printer info.
Public Type OShare
PrinterName As String
BackupName As String
CurrId as Integer
End Type
'Declare dynamic array for printer info as user-defined type declared above.
Public g_Share() As OShare
VB6 (Code inside Form)
Public Sub LoadPrinters()
[code]....
when pgm runs and when it reach ".PrinterName = myReader(0)" line, it crashes. Object reference not set to an instance of an object. using immediate window i can see the myReader(0) value. how can i create dynamic array for user-defined type in vb.net?
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Apr 2, 2009
i'm using VB.net 2003 application program. i'm trying to convert a VB6 program to VB.NET. The VB6 code i'm trying to convert is shown below.
declared g_Share() array in module and trying to add values to it inside form.
VB6 (Code inside Module)
'Global type array to hold printer info.
Public Type OShare
[Code]....
how can i create dynamic array for user-defined type in vb.net?
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Dec 29, 2011
I am trying to redirect command line output to a list box in a vba macro, and I've found some code that I think might point me in the right direction, but I keep on getting the same error. When I use this code [code]It gives me the error in the title and highlights the first declaration line.What does it take to define a new "process".
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Dec 9, 2011
I'm having trouble assigning values to an array and am getting the error, "Value of type MemberFocal.Member cannot be converted to System.Array" - MemberFocal.Member is part of a custom class and I am attempting to create an array of these objects. Here is the code:
[Code]....
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May 8, 2010
i am trying to read an existing excel 2007 file from vb.net i used a form with single button and i written code in button click event code is :[code...]
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Nov 8, 2011
I epochly failed creating an array structure. How would I build it like I tried to do with values for each data type.
Structure PovertyGuidelines
Dim Id As Decimal
Dim NumberOfPersons As Decimal
Dim AnnualIncome As Decimal
End Structure
Private Data(20) As PovertyGuidelines
Private Id(,) As Decimal = {{1D, 2D, 3D}}
Private NumberOfPersons(,) As Decimal = {{6D, 9D, 7D}}
Private AnnualIncome(,) As Decimal = {{24000D, 32000D, 27000D}}
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Oct 26, 2009
i have a for loop retrive me sum of colums but i need to pass these values in array list to caluclute sum of each sport type
[Code]...
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Jun 21, 2010
[Code]...
a messagebox appear that show user-defined type not defined i had try another code but it still same error.. i'm using vb6
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Mar 11, 2011
I have this code working. It sets the Visible property of controlToSecure to False. [Code] However I would like to get rid of hardcoding types of properties. In this case i'm hardcoding Boolean. Instead I would like to define the property type dynamically. I tried it like below but I get an error on line 2 "Type property Type is not defined". I just defined that type on the line before though? Does anyone know why this doesn't work and how i could get it to work? [Code]
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Aug 19, 2010
This is my
[Code]...
This is my error: Operator '=' is not defined for type 'FileInfo' and type 'Boolean'.
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Jul 22, 2010
Following is my code. Private Structure DISPLAY_ELEMENT_TYPE
[Code]...
Actually this is vb6 to .net converted code. I m getting compile error at following line
temp = Lset(DispElem(i)) bcz Lset is not supported in .Net Lset accept string data type for first parameter and interger for second.If you know any alternet solution or if you have any source code for Explicit convert UDT to string type and vice versa.
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Jun 10, 2009
Public Pixels(0 To 95, 0 To 127) As Variant Red = Pixels(X, Y) And &HFF i get this code from VB6, and when i transfer to VB05 i got problem said " Operator 'And' is not defined for type 'Color' and type 'Integer'. " i sent to VS2005
Public Pixels(0 To 95, 0 To 127) As Object
Dim red As Object
Red = Pixels(X, Y) And &HFF
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Jul 20, 2010
The following code at run time gives the error - Opearator '=' is not defined for type DBNull and type 'Boolean'.
The reason is the data at the table is set as NULL value.. How can I change it to accomodate the error.
Dim irowNo As Integer
For irowNo = 0 To DgvReturns.Rows.Count - 1
If DgvReturns.Rows(irowNo).Cells(2).Value = True Or
[Code]......
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Apr 16, 2009
In my application when i click the button i'm getting this" Operator '=' is not defined for type 'Char' and type 'Boolean'." But when i test it locally there is no problem at all!
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Feb 14, 2012
In trying to add a bit of usage variety to a generic class I'm working on, I ran into this issue with trying to cast an object into an interface instance where the interface is defined inside the generic class.
[Code]...
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Jun 11, 2009
i want to know how to type cast to user defined type in vb.net.I have a mark object which contains student id , subject name,subject id and mark. I have to read the subject id from a combo box and read corresponding mark value from it to a text box.
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Aug 11, 2011
I am writing a scripting language which used .net for execution. Now I have written a function which accepts an object and return a set of numeric values. I wanted user to pass any numeric array (e.g. integer,single,double,long) and I could return values in that format. I mean user can retrieve value in any numeric array type rather than specifying an array type. E.g.
[Code]...
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Oct 18, 2009
This is the code I am having trouble with.
CultureInfo As Any (this is where it said: Type 'Any' is not defined)
Dim string1 As String = "strWordGuessed"
Dim string2 As String = "StrWordToGuess"
[code].....
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Jan 12, 2009
when a user inputs a value into a text box, i am searching that value in my dataset.although the number that i entered is in my dataset, i am getting this excemption.
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Jun 23, 2010
To correct this error I use the given help that microsoft provides below and i am still getting the error messages can anyone assist me with the source codes if i send some code snippets?Check that the type definition and its reference both use the same spelling.
Check that the type definition is accessible to the reference. For example, if the type is in another module and has been declared Private, move the type definition to the referencing module or declare it Public.If the type is defined, but the object library or type library in which it is defined is not registered in Visual Basic, click Add Reference on the Project menu, and then select the appropriate object library or type library.
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Jan 19, 2009
I was trying to and an error log to the Global.asax in .net 2008 and i get the error.Type 'DataAccess' is not defined.
<script RunAt="server">
Protected Overloads Sub Application_Error(ByVal sender As Object, ByVal e As System.EventArgs)
[Code].....
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Dec 19, 2009
I am create a new project in Vb 2008 Express edition. And back end using MYSQL( MYSQL ODBC 5.1 Driver) . Now running is correctly but Build time have a lot of error in this project depending MYSQL connection part. What can I do...? [code]
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Nov 8, 2010
I'm new here. I'm trying to declare a variable of type "ObjectCollection". This is the Code (copied from an example):
Imports System.Collections.Generic
Imports System.Linq
Imports System.Net
Imports System.Windows
[Code]...
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Apr 18, 2012
error saying Type 'OleDbCommandBuilder' is not defined.keeps popping-up i need a solution for this ASAP so here is my code it is supposed to add data to an access database through using a visual basic form (2008-edition)
Public Class Form1
Dim con As New OleDb.OleDbConnection
Dim da As OleDb.OleDbDataAdapter
[code]....
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Jul 10, 2009
Why Am I getting this error:
Type 'SetTextCallback' is not defined.
Private Sub Go_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Go.Click
Dim CMDThread As New Threading.Thread(AddressOf CMDAutomate)
[Code]....
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Jan 20, 2011
I'm running a button click event so that it will open a spread sheet from a certain path and export it as a pipe delimited as a seperate file name. Everything looks fine except for this one error I keep getting..."Type 'Excel.ApplicationClass' is not defined". I have imported Microsoft.Office.Interop.Excel as well and have added a reference library. I am currently running Visual Studio 2010. Here is the code.
Private Sub btnRun_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'My.Computer.FileSystem.CopyFile(txtBrowse.Text, "Original_Copy.xls", Microsoft.VisualBasic.FileIO.UIOption.OnlyErrorDialogs, FileIO.UICancelOption.DoNothing)
[code]....
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Jul 26, 2011
I have the following code which gives me error as;
- Type 'ZipInputStream' is not defined.
- Type 'ZipEntry' is not defined.
Code:
Private Sub unzip(ByVal filename As String, ByVal targetdir As String, ByVal overwrite As Boolean, Optional ByVal password As String = "")
Dim inputStrm As New ZipInputStream(File.OpenRead(filename))
inputStrm.Password = password
Dim nextEntry As ZipEntry = inputStrm.GetNextEntry()
[Code] .....
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