C# - Function Or Interface Marked As Restricted Or The Function Uses An Automation Type Not Supported In Visual Basic?

Oct 19, 2010

What does this error mean in VB6? Function or interface marked as restricted, or the function uses an Automation type not supported in Visual Basic.

I keep getting it when i call a particular method of a dll that comes with windows xp and beyond (in system32 called upnp.dll)


C# - Calling .FindByType Makes VB6 Error Out - Function Or Interface Marked As Restricted

Oct 19, 2010

Possible Duplicate: Function or interface marked as restricted, or the function uses an Automation type not supported in Visual Basic.

Basically, im just searchign for uPnP devices using the uPNPDeviceFinder classes .FindByType method, .FindByUDN works, but FindByType gives an error:VB6 gives a compile error when I attempt to call the method:

Function or interface marked as restricted, or the function uses an Automation type not supported in Visual Basic.

why i am getting it. I am referencing and using the upnp.dll file as found in yoru system32 directory - when i reference and use this in VS2010 (say, vb.net) it all works and no issues are found, but in VB6, i get the error above.

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Sleep Function Visual Basic?

May 31, 2011

Is there a simple sleep function in Visual Basic that doens't involve thread.

Something similiar like there exists in: C: sleep(1);

We also tried this code:Declare Sub Sleep Lib "kernel32" (ByVal milliseconds As Long)' pause for 5 seconds
Sleep 5000 but it didn't work. It gave me this error: PInvokeStackImbalance was detected


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Pass A Generic Type Not Having A Interface To A Of T Function?

Jun 8, 2009

I have a following code which works fine

MsgBox(AddSomething(Of String)("Hello", "World"))
Public Function AddSomething(Of T)(ByVal FirstValue As T, ByVal SecondValue As T) As String
Return FirstValue.ToString + SecondValue.ToString


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Setup USB Function At Visual Basic 2008?

Mar 8, 2010

i want to create a GUI which content a button and when the button is clicked, a signal B'0000 0001' send out through USB port.

my pc already can detect my hardware through USB port.

So, i just want to know how visual basic 2008 setup USB port function.

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Transferring A Matlab Function To Visual Basic?

May 10, 2012

I am trying to transfer a very complicated Matlab function into visual basic. It takes a matrix input and gives 4 outputs.

From my own research I found something called Matlab CODER, which can transfer matlab code into C/C++ code, however, this function is too complex for that. So I guess now my question is, it is possible to call my matlab function somehow within VB and store the outputs for use within my VB program?

The matlab function looks something like this:

function [f,x,s,c,l] = mytest(Y,varargin)
%Code here...
end % function

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Use Point In Polygon Function In Visual Basic

May 18, 2009

I'm working on a small freeware application in Visual Studio 2008 Standard that will match geographic data to a geographic position. For this I need some mathemathical functions and one of them is how to detect if a point is inside a polygon. There's a great solution for this from the Microsoft team at: [URL]

but it is in a different programming language that I do not know anything about. How can I use these functions in my program? I'm afraid that if I try to rewrite them in Visual Basic I'll make mistakes that I can't detect. To be complete, I'm not using screen graphics so I really need a mathemathical solution.

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Why Won't This Function Work For My Program. (Visual Basic)

Feb 24, 2011

I'm doing a baseball program for a class project. And I almost have it complete, but it's giving me a syntax error. I can't figure out what i'm doing wrong. I'm using two functions to return a value for different type of baseball tickets to the button that calculates them. Here are the instructions 1.)User selects whether to purchase season tickets or single-game tickets 2.) User enters the number of tickets needed and the type of seats based on whether they selected season single-game tickets.3.) User clicks the Compute Ticket Cost Button to display final cost4.) User clicks the Clear Form button to clear the responseI just can't figure out what I did wrong. I know it's something stupid that i'm doing.the errors are happening inside the btnCompute sub routine. with syntax erros on SingleGameCost() and SeasonalCost() line 114 and 118

Public Class Form1
'Global Variables
Dim intTicketChoice As Integer


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Describe Keyboard Hit Event In Visual Basic [Escape_key_was_pressed] Function?

Oct 25, 2010

Maybe my questin was too impossible to unerstand, so I figured out how to ask it in more simple way. I suppose it can be best done in Visual Basic simplified code.


So question is how to describe in Visual Basic [Escape_key_was_pressed] function? When user don't hit Escape key, then program must NOT STOP for asking user keypress[Escape_key_press], it must go on with clicking on desktop to the end of program. SteelAce

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Function Call For Multiple Textboxes Using Visual Basic Studio 2008

Feb 17, 2010

I am working to make a function that will update the back color of a text box based on multiple variables values. I can write the code to do the calculation, but I am not sure how to make the function realize which text box to update (as I will have about 30 different boxes). Below is the code that I have for each box so far, but I will have quite a few more, and would rather use a function to reduce the amount of code, and also make it cleaner as well.

If sngPreviousPrimaryPropertyTotal >= sngPrimaryPropertyTotalCost Then
txtPreviousPrimaryPropertyTotal.BackColor = ColorProgramLightGreen
txtPreviousPrimaryPropertyTotal.BackColor = ColorProgramLightRed
End If
[Code] .....

Or is there a way that I can tell the function that it's updating the text box that call the function in the first place? Say if txtBox1 has updated text and calls the function, then the function 'knows' to update txtBox1, but will update txtBox2 when it's called by txtBox2.

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Sql Server - Call A Table Valued Function From Visual Basic.Net And How To Store The Result?

Nov 4, 2011

In my VB.net code i have:

cmd.CommandText = "SELECT * FROM [strfg].[dbo].[Myfunc] (@MyParam)"
Dim myparam As New SqlParameter("@MyParam", a)

The function (runnig on SQL server) returns a table with four columns, one row.How do I call this function from Visual Basic? cmd.ExecuteScalar() is obviously not correct. In c++ I use a recordset. What is the equivalent in vb? Does anyone have a short example?

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Return An (Anonymous Type With A Function) From A Function?

Mar 3, 2011

Just so it's known, this question is mostly academic, even though I tried to use the concept in a real-world solution. I realize the example is contrived, but I believe the concept is valid.I want to write some fluent code like this:


I realize that I can't force an anonymous type into a specific type (like implementing an interface or some other class), and I don't want the overhead of defining a specific class just to match my desired fluent name with the actual method name. So I was able to make the code work like this:

copy(my_first_file).to.Invoke(my_second_file)So there is no IntelliSense or type awareness there, and I have to include the Invoke in order to have the method run. How can I get more type safety and exclude the Invoke method, under these constraints: Anonymous Type returned from Method No additional classes or interfaces Preferably, I do not want to pass in another parameter to the copy() method that tells what type to return, unless copy becomes a generic method (but I think that means defining another class/interface, which I don't want to do)

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C# - FairlyLocal - VB Function _() Is Not Supported

Apr 10, 2012

I've found this nice library to make localization in a .NET application. Problem is, this FairlyLocal is build in C#. Now I downloaded a converter to make it happen in VB.NET. But it seems my project is using the FairlyLocal.dll which is a binary and uses _() where '_' is the name of the function. All I want is to change the '_' to 't' so it would work with the VB.NET application too. How is this possible. I'm a greeny to VB.NET and .NET overall so please don't be rude.

Problem I get is at the '_': Identifier expected. [Code]

I also tried what Justin said (with the brackets []) but that doesn't work either.

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Calling Function From C# - Error 'Start' Is Not Supported By Language

Jul 20, 2011

I've a vb.net class library and my c# application is accessing that method. My C# code gives me compile time error that 'Start' is not supported by language, where Start is my method name.


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How To Pass A Function To A Function Is Functors/function Objects Avaiable In VB2010

Oct 12, 2011

I want to make an numerical integration method with takes in an analytic function and integrate it over a specific interval. For the numerical integration procedure I want to use some procedures in nr.com. The problem is that these are programmed in C++ and they uses functors to pass a function to the integration method. How can I do this in VB 2010?

I want to initialize the function (i.e. set a=1,b=0 for function y(x)=a*x+b) and then pass the function to the integration method. Then when the integration method call the function it only calls the function with one parameter (i.e. x since a,b is already set)

What is the best way to do this in VB2010?I want to make a general integration method where I can pass any single valued function and integration limits.

I have just started using VB, and from what I have found so far it seems like the tools you have is

- to us a delegate for the function
- to use a lambda expression for the function
- send a pointer/adressOf
- to create a function class/structure and submit this to the function

As for now I am most inclined to create a function-class. But I am not really sure how.F.ex. I make different classes for each "uniqe function" I want to integrate, but how can I pass them to the integration function when I need to specify the argument type in the integration-function-call?This seems like a basic problem which applies to many Math operations, so I think it would be very useful to clarify this.

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Silverlight Interface With Visual Basic?

Jan 1, 2012

I am new to silverlight, i would like to interface themes from silverlight in my VB application project. Not sure i can do that.

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Interface Java Applet Using Visual Basic?

Apr 13, 2010

accessing data in a Java applet using Visual Basic? I need to do some research on whether or not it is feasible for the project I am working on, but it has been difficult to find any information.

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Function Syntax - Call A Function With 2 Arguments When The Function Is Only Defined For One

Apr 1, 2010

I'm trying to undersatnd the syntax of calling a funciton and it seem confusing when I'm using a web service in ASP.net. Maybe this question should be in an ASP forum, but it is a VB question. This simple web service allows you to type in your name and it response with an alert box with you name.

My question is, How can you call a function with 2 arguments when the function is only defined for one.  I understand that the second argument is actually a method that handling the respons, but how can you interchange function arguments for methods and how do you know that there are methods for

Here's my call:

<script type="text/javascript">

function HelloWorld()

var yourName = $get('txtYourName').value;


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Forms :: Call The Function From Another Application With Automation

Mar 26, 2009

I have a simple program made in VB .NET 2003 with a few functions. I want to call these function from another application with automation.How can i do this?

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Office Automation :: Release An Object Set By A Function?

Jul 27, 2009

I set a range with a function like this:

Public Function GetRange(ByVal strCellRange As String) As Microsoft.Office.Interop.Excel.Range


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Office Automation :: To Access A Function Of A Class From A Module?

Nov 5, 2010

I failed at the title: it should be "access a function of a class from a module"Edit by Moderator: I've amended the title for you.I got a huge VBA program which opns an excel workbook.I want that if i press crtl + s excel dont calls his save function but my own written save-function.

The code looks like this:
Namespace Test


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Make User Interface To A Database With Visual Basic (vs2008)?

Feb 4, 2011

Write code or use tableadaptors, bindingsources, dataset, etc.?  I have experience with the older ways i.e. connection strings, ado code, sql, etc. but was hoping the newer tools in vs would make the user interface easier and more flexible.  So far i have been disappointed.  Am I wrong and I am missing something?  Am I alone in this opinion or ?  What is your past experience in VB and have you found vb.net to be a step forward in db user interface design? if your answer is yes then what is the easiest way to put a table record count into a text box?  should i bypass all the new stuff/objects ( adaptors, binding sources, navigators, designers, etc) and just write code or what?

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Use In .net A Function And An Interface Created In C#?

Oct 1, 2011

I'm trying to use in vb.net a function and an interface created in c#. The function is RegisterDragDrop and the interface is IDropTarget:

Public Shared Function RegisterDragDrop(ByVal hwnd As System.IntPtr, ByVal pDropTarget As GongSolutions.Shell.Interop.IDropTarget) As Integer the second parameter points to an IDropTarget interface.

I'm implementing this interface in vb.net as follows:


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C# - Visual Studio 2010 Express Phonegap Error "The Project Type Is Not Supported By This Installation"

May 26, 2012

I just installed VisualStudio 2010 Express and Windows phone SDK 7.1. I downloaded Phonegap 1.4 and added the PhoneGapStarter to the projectTemplates folder. When I hit new project I get the Phonegap icon. When I double click it to start a new project I get this error:


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String - 'Public Function' Has No Type Parameters And So Cannot Have Type Arguments

Mar 12, 2012

I am having some issue here, and I am not too sure how to handle it. If you could lead me in the right direction


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Interface Function That Returns Plurality Of Self?

Dec 5, 2010

I have just received some documentation for an Interface and a class implementation, and I had a question about the return type defined in the interface. here is the function from my interface (I have abbreviated the parameter list in the SearchAddress function).my concern is the SearchAddress function.

Public Interface IAddress
Property AddressID As Long
Property AddressTypeID As Long


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VS 2010 : Convert A DLL Function Call Which Has The Callback Function Routine Called Within The DLL Function Call?

May 25, 2012

I am trying to convert a DLL function call which has the Callback function routine called within the DLL function call.The DLL function call signature is like this:

typedef void *HANDLE;


how to convert this DLL call to VB.NET and also how to create the callback function and send it as parameter to this function

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Finding Basic Shared Function?

May 31, 2009

i am beginner about general programming. Please give me basic shared functions .

I only know few functions such as : Public Shared Function lon(ByVal a As Integer, ByVal c As Integer) As String Public Shared Sub trung()

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VS 2010 Finding OLD Basic Function In .net?

Jul 16, 2011

in the old days i could so something like

10 A$="ReallyLongStringInSmallSpace": B$="tiny"
20 PRINT USING"  ASDFASDFASDF                       ASDFASDF"; A$; B$



it would automatically truncate large strings to fit in a small assigned space, and it would use empty spaces for strings too short. it made it VERY easy to print fixed front text tables in aligned columns by automatically truncating long lines and expanding using spaces (chr 32) where needed.i've already looked at .Format but it seems just for dates, times, currencies, and various byte/hex formats.

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C# - Implementing An Interface Then Calling The Initialize() Function?

Sep 30, 2011

this wont be easy to explain clearly but here goes..i have something that works fine in VB but not in C#.i have 2 classes, each class implements a different interface. each interface exposes an Initialize() function that should get called automatically when the plugin loads. since each class has an Initialize() function, i can watch both functions get called in the log. this works fine in VB.

when i do this same thing in C#, only the Initialize() in the first class gets called. anyone have a clue as to why this might be happening?


as you can see the code is identical in both languages. why does it work in VB and not in C#?

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Interface In A Function Or Similar Verification For An Object?

Sep 6, 2010

Lets say I have function returns an object and that object has 10 properties. for example



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Telling A Generic Function That It Will Use An Interface With A Constructor?

Jan 2, 2011

i've been trying to toy around with generics in vb.net in an example project. At the moment, it looks like this:

I have an interface called IRow (and a class that implements it as a Datarow).

A second interface is ICanGetByRow, which looks like this:

Public Interface ICanGetByRow(Of T)
Function GetByRow(ByVal Row As IRow) As T
End Interface

The function simply takes an IRow and converts it to T. Thats easy enough. Now, for easier access, i want to implement a function in the IRow interface which takes the row and converts it into said ICanGetByRow.

My interface was enhanced by the following function

Function GetObj(Of T As ICanGetByRow(Of T))() As T

You can probably see the problem. If i implemented it like this:

Public Function GetObj(Of T As ICanGetByRow(Of T))() As T Implements IRow.GetObj
Dim foo As New T
Return foo
End Function

i wouldn't be allowed to construct a new T, and when i tried to make it work by telling the generic function that my interface has a constructor, he wouldn't let me invoke GetByRow anymore.

Public Function GetObj(Of T As New, ICanGetByRow)() As T Implements IRow.GetObj
Dim foo As New T
Return foo
End Function

how to tell a generic function that it will get a ICanGetByRow(of T) which has a constructor

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Interface And Graphics :: Display Form As Part Of A Function?

Jul 24, 2008

I have only recently started using VB.NET after having a little experience in VB6. I am trying hard to force myself into this OOP mindset. I want to know if a certain thing is possible.

I want to be able to call a function in the beginning of my main form's startup sub. The function call would look something like this.

Private Sub frmMain_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim Username, Password, NewPassword as String


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Interface And Graphics :: Z Position On Joystick Function Winmm.dll

Dec 24, 2011

I wanna ask about Z position on joystick fung

Imports System.Runtime.InteropServices
Imports System.ComponentModel
Public Class Joystick


this code is work for X and Y axis but i dont know how to use Z axis using this code,also how to called the button if it pressed or not?

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Get The Vb Random Function - Basic Winapp Application

May 13, 2010

I must say I don't get the vb Random function. Try making a basic winapp application, but a button named Button1 and a few (around 10) labels on the form. Then add the following to the forms codebehind:

Public Class Form1

Public Function RollDize(ByVal iDize As Integer) As Integer

Dim iRes As Integer


Now, if you click the button, you will see that all the labels get the same number. However, if you step through the code in debug, the numbers are random.

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.net - Control Textbox Type To Double In Visual Basic?

May 23, 2010

I'd like to make a textbox that accepts only numbers, but not integer, but rather double.I've read here about e.Handled = Not Char.IsDigit(e.KeyChar) and it works, but again, it can be used only for integer, since it declines decimal point.Another thing I've read here is If Not Double.TryParse(TextBox2.Text, value) Then .... and it would work fine, except that it allows only decimal comma instead of point.

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Make Picturebox1(function Already Assigned) Perform The Same Function As Picturebox2(no Function Assigned)

Aug 1, 2009

i wanted to ask how to make picturebox1 ,to which functions are already assigned, perform the same function  as picturebox2 ,to which no functions are assigned.For example:I have already made picturebox1 and have assigned it alot of function like when play button is pressed then picturebox1.visible = true and when we press pause button picturebox1.visible = false. So now i decided to make a theme and have to remove the picturebox1 and want to allow the picturebox2 to havefunction of picturebox1.But when i disable the theme the function of picturebox1 should go back to picturebox1.

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Interface And Graphics :: Trying To Get Correct Coding To Call Function Correctly

Apr 25, 2009

I have declared this function and trying to get the correct coding to call this function correctly.Public Declare Function ColorRGBToHLS Lib"shlwapi. dll" (ByVal clrRGB As Long, pwHue As Long, pwLuminance As Long, pwSaturation As Long) As Long

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Does Visual Basic Have A Property For Text Boxes That Allow To Type Right To Left

Jul 28, 2009

I am writing a math game for my brother in Visual Basic to help him with double digit numbers(both adding and subtracting).Normally you solve a problem by writing right to left on a piece of paper. Is there any way of setting the text box to do this?

For Example:

+ 18

You would type in the text box '6' followed by '7' so it would read '76'I set the right to left property but it does not do what I want it to do.

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Visual Basic 2010 Does Not Have A 'Package And Deployment' Project Type?

Sep 14, 2010

found that Visual studio Basis not have a 'Package and Deployment' project type, andVisual studio professional Trial Edition is a temporary solution and also I remember that the license agreement says that Trail Editions

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