BreakPoint All References To External Function?
Nov 8, 2010
I have a function in an external library, for which I do not have the source code, which is causing problems. If I were putting in a breakpoint in my own code, I would put it on the first line of the function, but as it is an external function, I do not have that option. Is there any way to as Visual Studio to break any time the function is called? My current workaround is to do a "Find All References" and put an individual breakpoint on every single call to the function, which is a sucky way of doing things.
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Feb 3, 2012
I wanted to know if it is possible to Zip a folder without any external dll nor any external references - just with native features.I've been able to Zip files with System.IO.Packaging, but it does not include folders and I cannot tell it to Zip the parent folder.I know there are external dll and so, but I'd like to know if it's possible to make it from a native way.
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Apr 30, 2012
I have a solution with number of projects developed in Visual Studio 2005 and the breakpoint is not working displaying message 'the breakpoint will not be currently hit' No symbols have been loaded for this document. I have tried solutions/suggestions in the forum and none is working. I have deleted the obj and bin directories and nothing worked. Selecting the Debug Menu, Windows, Modules option I can only see the pdb files for some projects (dlls) and cannot see for the project I'm debugging.
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Mar 31, 2009
I have some C# code I'm trying to convert to VB.NET. There are some external dependencies I'm referencing in each project. The C# line is
TWriteFileCommand writeFile = (TWriteFileCommand)CommunicationLink.CreateCommand(TOPKernel.TCommand.CommandType.WriteFile);
I don't really understand what the TWriteFileCommand in parathesis after the equal sign is for in that statement. When I try to do it in VB.NET, I keep getting errors because I can't get a reference to the CreateCommand function. The closest I've gotten is this:
Dim MyAppBase As OPSupport.App.AppBase
Dim writeFile As TWriteFileCommand
writeFile = MyAppBase.CommunicationLink.CreateCommand(TOPKernel.TCommand.CommandType.WriteFile)
However, I have a green underline after the equal sign @ MyAppBase that flags an error "Variable MyAppBase is used before it has been assigned a value. A null reference exception could result at runtime."What am I missing? Why in the C# code is the instance fine and what do I need to get the equivalent instance in VB.NET?
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Mar 9, 2011
I have Crystal Reports 2008 installed on my win7 laptop but when i go to insert references from my application settings the CrystalDecisions references are missing and im not able to find them. Note: they do exist in my "c:windowsassembly" folder.
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Oct 9, 2009
wondering if there was anyway I could call a function of an external program. Ie.My App:Call Reset()External App:Reset()My.Settings.Rese
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Mar 21, 2012
In my application I'm trying to invoke a function from an external DLL (this DLL is compiled in C++)I have this code to declare the DLL function:
Code:
<DllImport("{DLLPATH}", CharSet:=CharSet.Auto, SetLastError:=True)> _
Public Shared Function functionName(<MarshalAs(UnmanagedType.VBByRefStr)> ByRef Name1 As
[code]....
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May 12, 2011
I'm using a 3rd party DLL to access a proprietary Database. It's designed to invoke a function called "CALL_ME_FUNCTION" to make the datarows available to my program. What makes it difficult is the CALL_ME_FUNCTION is in the VB program and therefor, external to the DLL iteself. I've got the CALL_ME_FUNCTION written in my program, but how do you give access of it to the DLL? I've written lots of code that invokes functions inside a external DLL, but this is the first time I've encountered a DLL that needs to run a VB function.
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Jul 21, 2010
I have Listview which databound to Dataset with about 20 items per row. I have a function which executes on each ItemTemplate appearance and gets about 10 params from Eval("something"). So basically one function builds and image from 10 parameters.Instead of passing 10 Eval("something") to the function is it possible to pass it whole row and how to use this row inside of function because it is not simple DataRow or ListView row which i can access as array of items (datacolumns).Reason i do that because function looks ugly and each time i need to change it i need to deal with dozens of items.
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Dec 12, 2009
I have been trying to correctly pass the value of a textbox as a variable to a function that reside in my App_Code folder when triggered by a click event. I can't seem to get it right.Here is the code behind for the aspx page with the textbox and the click event:(Error is on 4th line)
Public Sub btnCouponCode_Click1(ByVal sender As Object, ByVal e As System.EventArgs, Optional ByVal CouponCode As Char) Handles btnCouponCode.Click
lblSubtotal.Text = Calculations.CalcSubTotalPrice().ToString("C")
[code]......
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Apr 20, 2012
I have a Javascript function in the js file (test.js) and I need to call her in visual basic 2010 enter her input parameter and load response javascript functions in visual basic.
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May 25, 2012
I have an application (app.exe) that has a VB Module in its source code (Module1). The module has a function called Function1. I need to call this function from another application. The module is not marked as public, so adding a reference to app.exe won't work. I'm trying to use reflection (Assembly.LoadFrom()) but unless I'm way off base, the module would have to be a class in order for me to get an instance of it.
Please nobody ask me "what have you tried?" I tried a million different things and let's just say "none of them work." So I'm looking for someone that has specific experience with doing exactly what I'm trying to do. If you don't have that experience, please move on to the next question and ignore mine.
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Jun 1, 2009
I notice in the MSDN documentation that there are multiple ways to declare a reference to a function in an external DLL from within a VB.NET program. The confusing thing is that MSDN claims that you can only use the DllImportAttribute class with Shared Function prototypes "in rare cases", but I couldn't find the explanation for this statement, while you can simply use the Declare keyword instead.
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Mar 29, 2012
I am trying to call an external C++ function using VB.NET (answers in C# are fine, I can convert back) which returns a list of device names. This comes in the form of a pointer to a null-terminated array of null-terminated char arrays (correct me if I've misunderstood what I'm dealing with) with a function signature:
long GetNames(char*** names)
Most of the answers to similar questions I've found have involved something more like:
long GetNames(char** names, int length)
It appears from what I've read that I need to give it an IntPtr but I'm uncertain as to how this should be initialized, and in my case I don't know the length of the array. At the moment, in the VB module, I have:
<DllImport("MyExternal.dll", CallingConvention:=CallingConvention.Cdecl)> _
Function GetNames(ByRef names as IntPtr) As UInteger
End Function
I've tried calling the function by passing an IntPtr initialized as IntPtr.Zero or using Marshall.AllocHGlobal, but I always get an AccessViolationException.
Any ideas on how I should be calling this function and how I get the return value into a managed string array would be greatly appreciated.
EDIT: I've found a sample function call in native C as follows:
char **tmplist;
GetNames(&tmplist)
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Feb 21, 2011
I want to Sum of the calculated column Red which is calculated in the Function IsRed() that return an integer.When I run the query I get the following error: Method 'Int32 IsRed(Int32)' has no supported translation to SQL.How should I rewrite this to get it to work.
[Code]...
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Oct 3, 2010
I have breakpoints set in my code, but when the app loads, a little exclamation point shows up that says "The Breakpoint will not be currently hit. No Symbols have been loaded.
I have searched the forums for possible solutions. I've tried deleting the bin and obj folders and rebuilding my project and that did not work. I've also verified that the build configuration was set to debug and not release, which was also true.
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Aug 30, 2010
I have a problem where I can't get VS to stop at a breakpoint. It is a DLL that will be used by a third party exe (Intuitive's ERP). Another developer gets his machine to stop at a breakpoint. Mine won't (it always goes to the dll) and I opened the same project on my machine. I tried running the gacutil with the -u option but it says that no assemblies match. This is going to really slow the development process if I have to debug via messages boxes and files.
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Feb 24, 2012
I break my code modules up in DLLs alot. When I add one of those DLLs to my project, how can I browse it's code to set breakpoints?
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Jan 28, 2009
I want to set a breakpoint to see what line of code changes a given variable.It was possible in VB6, but it looks like in .NET is only possible to set a breakpoint in a specific line.
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Feb 8, 2011
I'm trying to debug a program but when I set a breakpoint and run the program I get the message shown on the attached file.
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Jun 7, 2012
<HttpPost()>
Function Edit(<Bind(Prefix:="Article")> ByVal Article As FormCollection, Optional ByVal DepartementID As Integer = 0, Optional ByVal LeverancierID As Integer = 0) As ActionResult ', ByVal ReferenceSupplierID As Integer
' Dim Art As Article = ArticleService.GetArticleById(Article.ArticleID)
Dim _toUpdateArt As Article = ArticleService.GetArticleById(Article(0))
UpdateModel(_toUpdateArt, Article)
[Code]...
toUpdateArt.Departement = Nothing and _toUpdateArt.Supplier = Nothing is to remove the optional relationship.But it only works when i debug it and sometimes after several loops of the command, before the relation is actually removed and it's stored in the database.When there isn't a breakpoint on the "function", the Relationship will never be nulled.Does anyone has an explanation for this and how to fix this?
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Feb 3, 2010
Using VB.Net I want to automatically size the height of the headers in a DataGridView so I am calling AutoResizeColumnHeadersHeight during the form load after the data has been populated.
The method doesn't appear to do anything, but does work if I do the following:
- put a breakpoint on grid.AutoResizeColumnHeadersHeight()
- open quickwatch on the grid
- expand the child properties
- close quickwatch and hit F5 to continue processing
The resizing then works I assume the reason is that evaluating one of the properties of the grid is causing the method to behave differently. Does anybody know either what I should be doing differently, or a workaround - e.g. which property do I need to evaluate to make it work?
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Aug 5, 2010
I would like to set a conditional breakpoint with a string but it doesn't seem to work.
This is the code example:
For Each Elem in Elements
strMyString = Elem.Name
Next Elem
and in the breakpoint condition I wrote: strMyString = "Value"
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Dec 2, 2010
I have a breakpoint that is not being acted upon, as I am getting an warning saying that : The Source Code is different from the original I have tried to clean the solution, without any luck. I have only one version of the code, so I cannot understand why this is happening.
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Feb 10, 2010
We are facing a crash issue in our application. To debug the crash issue we have directly executed the application from code.To trace the error we have removed the checked from "EnableJust My Code" options in Debugging and we have checked the "Enabledunmanaged code debugging" option in project properties Debug tab.
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Aug 2, 2011
When I put a breakpoint in a method I'm calling from a lambda expression, the breakpoint is never hit. When I move the method call outside the lambda, the breakpoint hits.
For example:
Function IncrementAll(ByVal items As IEnumerable(Of Integer)) As IEnumerable(Of Integer)
Return items.Select(Function(i) Increment(i))
End Function
[Code]....
If I call IncrementAll, the breakpoint in Increment does not get hit. Is there a way to make VS 2008 stop on these breakpoints? I hate the thought of rewriting all my LINQ into loops just for debugging.
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Sep 21, 2011
Using VS 2010 Pro SP1 - XP Pro SP3 I set a breakpoint with F9 and the line turns Red. When I press F5 to start debugging, the Red Breakpoint jumps to another line a few lines away.
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Apr 24, 2007
I have now wasted 8+ hours trying tot fix this problem. I have read many of the dozens of threads already related to this issue and I have not solved the problem.Situation: VS 2005 .NET 2.0 Windows Server 2003 Project is on my local machine, database is on a remote server within network This is not a web service or a hand-help application, it's just a plain old data-base driven website.What I know:
[Code]....
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Jun 13, 2011
Converted a VB.NET 2003 project to a VS 2010 project, and now I can't step into the code.et the following error:"the breakpoint will not currently be hit. no symbols have been loaded for this document"
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Jun 4, 2009
When I try to debug my program, it sometimes catches the first breakpoint, but as I step into each step, it just skips and runs the program. Is there some kind of setting that I can make in vb 2008 express that will allow me to see my code step-by-step?
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