'AddressOf' Expression Cannot Be Converted To 'integer' Because Integer Is Not A Delegate Type
May 13, 2009
I'm trying to convert a VB6 project to .NET, but I get problems with some callback functions, and the following message comes up: "AddressOf' expression cannot be converted to 'integer' because integer is not a delegate type" I've seen several solutions to similar problems like this, but I am not able to understand this issue with delegates.
After the conversion, the code look like this:
Declare Function vsmsgwSetDataPackageCB Lib "vsmsgwW.dll" (ByVal PACKAGE As Integer, ByRef arg As Integer) As Integer
Dim arginitP As Integer
[Code]...
Which gives the error: Method 'Public Function PackageCB(HisNodeID As Integer, ByRef data() As Byte, ByVal length As Integer, ByRef arg As Integer) As Integer' does not have the same signature as delegate 'Delegate Function DelegatePackageCallback(hwnd As Integer, lparam As Integer) As Integer
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Aug 11, 2011
I faced an error when upgrading VB6 code to VB.NET. The error occurs at AddressOf WindowProc
AddressOf expression cannot be converted to 'Integer' because 'Integer' is not a delegate type
My declaration for SetWindowLong is:
Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA"(
ByVal hWnd As Integer,
ByVal nIndex As Integer,[code]....
What is the reason for the error I get?
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Aug 3, 2009
I am a newbie in VB and I got a piece of code which can display the current running program. I need to use that in VB2005 and I got the below error message. Can anyone help how to fix it?[code]
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Oct 13, 2009
im converting a vb code to vb.net from simpleocr site but i can't run this code because of error in sub calling (ret = objOCR.OCRSetOutputHandlerX(AddressOf myOutputHandler)) :
Code:
'AddressOf' expression cannot be converted to 'Integer' because 'Integer' is not a delegate type.here's the code:
Code:
dim strOCRResult as string = ""
Private Sub DoOCR (filename as String)
Dim objOCR as SimpleOCR 'SimpleOCR object
[code]....
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Jan 23, 2011
im converting a vb code to vb.net from simpleocr site but i can't run this code because of error in sub calling (ret = objOCR.OCRSetOutputHandlerX(AddressOf myOutputHandler)):
Code:'AddressOf' expression cannot be converted to 'Integer' because 'Integer' is not a delegate type.I googled around but i did not found any solution here's the code:
[Code]...
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Sep 1, 2010
I have user control which has one button. To handle click event of button I have added following code in usercontrol.
Public
Sub ChangeClickHandler(ByVal
[Delegate] As EventHandler)
[code]....
Now, I want to handle this click event where I call the this usercontrol. I call the usercontrol through reflection so I get the control in a form of object.
Dim button as object button.ChangeClickHandler(AddressOf mymethod), this line gives me error "'AddressOf' expression cannot be converted to 'Object' because 'Object' is not a delegate type."
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Aug 11, 2011
I am new to EF Linq and I have been struggling with this query for a few days. From reading this forum, I have managed to get this far:
Dim noPic = (From f In myEntities.FriendLists
Where (f.UserID = Profile.ID)
Select f.FriendID).Except(From g In myEntities.GuestLists
Where g.EventID = _id
Select g.FriendID)
[Code]...
I am trying to get everybody from the FriendList who is not already on the GuestList to display in a Repeater control. After reading the forum I was able to append .First() to noPic at the myNoPic declaration and finally get a result but that only gave me the first element. Does anybody have any advice on how to accomplish this?
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May 10, 2010
I got 2 classes in a form, and I would like to pass a value from a textbox to the other class, so I decided to use Deligate.
Below is the code.
Public Delegate Sub delPassSize(ByVal text As TextBox)
'To get size from Class Calculate(Class 2)
Public Sub GetSize(ByVal txtForm1 As TextBox)
[code]....
and the error message is 'cls.Getsize is a delegate type and requires a single 'addressof' expression as the only argument to the constructor.'
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May 23, 2012
Migrated application from vb6 to vb.net. application calling VC++ method. whoes parameter is int/long which is pointer of method
which is passing from vb6 like
VcMethod(addressof vb6Method)
I am getting error ddressOf expression cannot be converted to integer.I know addressof working different in vb6 it givie value in int which is function pointer. Please suggest how can I get value of fuction pointer in vb.net or any other solution in this situation.
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Nov 7, 2009
I have a problem, I cannot converted the value of Integer type, which it cannot converted to 'System.Drawing.Point' and 'System.Windows.Forms.Control' .
[Code]...
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Oct 10, 2010
I have declared dob as date and the following code is to to call SQL server stored procedure but i cannot compile code because of error message (Value of Type 'Date' cannot be converted to integer).[code]
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Jan 23, 2010
I got this Error. below is my code.
GenerateTheList is function.Need help
Private Sub buttGenerate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttGenerate.Click
Dim thread1 As New Thread(New ThreadStart(GenerateTheList))
thread1.Start()
End Sub
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Nov 11, 2011
In the below code I am getting the following error on line If (Not hash.Add(Numbers(Num))) Then Value of Type 'Integer' cannot be converted to 'System.Array'.
Module Module1
Sub Main()
Dim array() As Integer = {5, 10, 12, 8, 8, 14}
' Pass array as argument.
[code].....
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Jan 25, 2012
I have a project that you enter someone's name, home town and initials saves it to an array which later is produce into a pie chart.
The question is: The class has one method called addCompetitor that takes String parameters to indicate a name, home town and initials, and an Integer to indicate the position in the tournament. The method creates a Competitor object and stores it in the corresponding element of the position array.
Public Class Cakes
Dim position(7) As Integer
Dim amountSold(7) As Double
Dim noOfCompetitors As Integer
[Code]...
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Dec 21, 2009
I have an issue with a third-party COM+ DLL meant to be used from VB6, where it has a function to set a Callback for a hardware event. However, I'm using VB.NET, and AddressOf now returns a reference type instead of an integral type, which means that the setCallback function on the COM+ DLL apparently can't be used.
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Jun 5, 2012
I have used the following code to read a memory address from a pointer and offset previously however, Now I've come to use it again and can't figure out how I got it working last time, I'm receiving the error "value of type '1-dimensional array of Byte' cannot be converted to integer" highlighting the BytesAtAddress variable in the ReadProcessMemory calls.
Public Shared Function ReadPointerFromMemory(ByVal BaseAddress As Integer, ByVal PointerOffset As Integer, ByVal BytesToRead As Integer, ByVal pHandle As IntPtr) As Integer
Dim BytesAtAddress As Byte() = New Byte(BytesToRead - 1) {}
[code]....
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Oct 8, 2010
At the top of the code that follows is the method in c# into which I'm attempting to pass an integer value. Is there anyway I can change the assignment statement to the byte() PDUToSend to take care of the error I currently receive; Value of type 'Integer' cannot be converted to '1-dimensional array of Byte'.
CODE:
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Oct 31, 2010
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Me.BackColor = RGB(Rnd() * 255, Rnd() * 255, Rnd() * 255)
End Sub
then i see this error:Value of type 'Integer' cannot be converted to 'System.Drawing.Color'
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Nov 26, 2010
When I try and compile code in vb.net 2008 I get an error that says "value of type 'system.drawing.image' cannot be converted to integer. The error happens at piccolor.image
GetDIBits(Form1.PictureBox1.Handle,
picColor.Image , _
0, Form1.PictureBox1.Height, pixels(1, 1, 1), _
bitmap_info, DIB_RGB_COLORS)
Here's the code that explains what piccolor.image is, it's a picturebox on form1 that has an image
readpic(Form1.PictureBox1)
Public Function readpic(ByVal picColor As PictureBox)
GetDIBits(Form1.PictureBox1.Handle,
picColor.Image , _
0, Form1.PictureBox1.Height, pixels(1, 1, 1), _
[Code] .....
And Imports System.Runtime.InteropServices is on the top of the module, if u need more code then let me know. Also I wonder if there is a way to bitblt directly to a pixel array.
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Apr 5, 2012
I don't know what to do....
Public Class frmCurvingGrades
Structure scores
Dim name As String[code]......
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Jan 17, 2010
Dim ScoreAddie As IntPtr = &H7FF824
Dim NewScore As Byte() = 999999
Dim p As Process
Dim myHandle As IntPtr
[code]....
Whats wrong?
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Feb 12, 2011
Why do I get the error: Value of type System.Random' cannot be converted to an 'Integer'
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]....
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Mar 19, 2011
I am trying to insert a small message of 150 characters into the "AdvertisingInfo" database into the "QuickPost" column. Right now there is only one row that will have various columns updated by several forms.I just started to teach myself VB10 and it has taken me 6 hours to get this far. I'm tired of trying today and am going to bed, but I need help trying to figure this out. I keep getting the error: Value of type 'Integer' cannot be converted to 'System.Data.DataSet'.[code]
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Sep 22, 2010
Operator '+' is not defined for types '1-dimensional array of Byte' and 'Byte'.How would I change the assignment statement in the code below so that each indexed byte position gets assigned the converted integer value in the for loop?
Dim byteArray As Byte()
Property Data_Out() As Integer()
Get[code].....
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Jan 17, 2011
This is probably a really basic (no pun intended) question, but I can't seem to find an answer anywhere.Why does the result of func1 return False and func2 returns True? On every other test I have done, integer 1 is converted to boolean true and 0 to false. Works ok if I just set rtnValue to 1 or 0.
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Mar 26, 2010
I'd like to understand why one type can't be converted to another type inside a constant expression.
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Sep 21, 2011
I have a code below to make collection that bind to a gridview able to sort by clicking on the column header. The problem here is "IPerson" is unknown at compile time. I want the delegate type able to decide by getting from gridview datasource.[code]....
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Jun 12, 2010
. I get this error: "Cannot convert lambda expression to type 'string' because it is not a delegate type" - keyword select become underlined in blue
[Code]...
Above code should displays drop list of employees first name and last name in a combo box
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Mar 13, 2011
A week ago, I encounter an error while doing my project. I failed to open certain form in vb.net. While clicking a button to show the form this will came out.
"[An error occurred creating the form. See Exception.InnerException for details. The error is: Argument 'Expression' cannot be converted to type 'TextBox']".
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Sep 25, 2010
ive got some simple problem i cant understand how to solve.
str(1) is an array and integer(or double, tried both)
a(1) is an array and integer (or double, tried both)
a(1) = a(1) + 1
Label1.Text = str(1) + a
the big part is where i get: operator '+' is not defined for types 'integer' and '1-dimensional array of integer'.why do i get that message and what does it mean? how do i make the code do what i want?
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