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  • problem with exporting a customized form from dll

    - by mavric
    I'm working on an application so i have write an dll which contain a form with some additional work and methods. so in the beginning of my program the thread launch this form (from my dll) to get some informations and then hide it and initialize some components and the application form and then show it. when the thread come the line where it define new instance of the exported form "MyForm inputform = new MyForm();" it throw an Exception called "Top-level control cannot be added to a control." so i don't know what to do ?!!. i tried to take the code of the form from the dll source code and put it in the main program and it works.... .but still i want to know what happen and what impede my application from run that form from my dll. thanks.

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  • Satisfying indirect references at runtime.

    - by automatic
    I'm using C# and VS2010. I have a dll that I reference in my project (as a dll reference not a project reference). That dll (a.dll) references another dll that my project doesn't directly use, let's call it b.dll. None of these are in the GAC. My project compiles fine, but when I run it I get an exception that b.dll can't be found. It's not being copied to the bin directory when my project is compiled. What is the best way to get b.dll into the bin directory so that it can be found at run time. I've thought of four options. Use a post compile step to copy b.dll to the bin directory Add b.dll to my project (as a file) and specify copy to output directory if newer Add b.dll as a dll reference to my project. Use ILMerge to combine b.dll with a.dll I don't like 3 at all because it makes b.dll visible to my project, the other two seem like hacks. Am I missing other solutions? Which is the "right" way? Would a dependency injection framework be able to resolve and load b.dll?

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  • SHGetFolderPath

    - by user530589
    This code works for windows 7 but doesn't work for windows XP (outputs only part of startup folder path) #include <iostream> #include <shlobj.h> using namespace std; int main() { wchar_t startupFolder[1024]; HRESULT hr = SHGetFolderPath(0, CSIDL_STARTUP, 0, 0, startupFolder); if (SUCCEEDED(hr)) wcout << L"Startup folder = " << startupFolder << endl; else cout << "Error when getting startup folder\n"; getchar(); return 0; } output is: Startup folder = C:\Documents and Settings\Admin\ <- cursor is here. Newline is not provided. Also I have russian window xp. I think this is unicode issue. when I use wprintf I got: C:\Documents and Settings\Admin\???????? ..... Thanks. As a temporary solution: After SHGetFolderPath I call GetShortPathName then I get path in msdos style: C:\DOCUME~1\Admin\5D29~1\4A66~1\60C2~1 Not really beautiful solution, but at least that is a valid path.

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  • Getting Build Errors in Program to Change Button Name When Clicked

    - by Rishabh
    Imports System Imports System.Windows.Forms Class MyButtonClass Inherits Form Private mrButton As Button Public Sub MyButtonClass() mrButton = New Button() mrButton.Text = "Click me " mrButton.Click += New System.EventHandler(MyButtonClickEventHandler) Me.Controls.Add(mrButton) End Sub Shared Sub Main() Application.Run(New MyButtonClass()) End Sub Private Sub MyButtonClickEventHandler(ByVal sender As Object, ByVal e As EventArgs) mrButton.Text = "You clicked me!" End Sub End Class

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  • fopen doesn’t create file in the current directory

    - by indira
    I have created a console application in VS2010 and I want to create a file in the current directory where the exe runs. I used the following code fp = fopen("Pkts.csv", "w+"); But file is not getting created in the current directory. But when I specifies the path as fp = fopen("C:\\Windows\\Pkts.csv", "w+"); the file gets created in the path specified. How to create the file in the current directory?

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  • Can you have a web application project produce multiple DLLS?

    - by chris
    I have a VS 2008 web application project that is getting large. My structure looks like: - WebRoot - Common/ - Foo/ - Bar/ - Baz/ so I end up with a single Webroot.dll that contains the code for common, foo, bar, and baz. Is it possible to set it so that I end up with common/ in webroot.dll, and code in foo ends up in foo.dll, bar in bar.dll, etc? Update: A couple of suggestions to move some stuff into class libraries. We already have a dozen or so separate class library projects as part of the solution; Foo, Bar and Baz contain nothing but web forms and the associated code-behinds, so moving them into separate class library projects is not feasible.

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  • VS2010 + IE8 Debugging woes - Element not found

    - by Chin
    I am having great difficulty trying to debug with vs2010 and IE8, though I think the problem is more IE8 specific. When starting a debug session 9 times out of 10 I will have the following problem. IE tab says connecting.. - then after a 5 second wait I will get an error in VS saying element not found. Even when I click ok to dismiss the error, the IE window still shows connecting... I will then have to kill the IE process to be able to close IE to try again. Sometimes however I am lucky and it starts. But the whole thing is so random I have no clue where to start. One thing I have noticed is that I always have 2 IE processes started even though there is only one window open. One has a small footprint of 100k, I presume it is some kind of helper. I am using a static port with the built in WebDev server. If anyone has had similar problems please let me know how you resolved it. Its driving me nuts! thanks

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  • How to use a variable inside a _T wrapper?

    - by karikari
    I want to make the hostname part of this string to be variable.. Currently, it is only fix to this URL: _T(" --url=http://www.myurl.com/ --out=c:\\current.png"); I want to make something like this, so the URL is changeable.. _T(" --url=http://www." + myurl + "/ --out=c:\\current.png"); update. Below is my latest attempt: CString one = _T(" --url=http://www."); CString two(url->bstrVal); CString three = _T("/ --out=c:\\current.png"); CString full = one + two + three; ShellExecute(0, _T("open"), // Operation to perform _T("c:\\IECapt"), // Application name _T(full),// Additional parameters 0, // Default directory SW_HIDE); The error is : Error 1 error C2065: 'Lfull' : undeclared identifier c:\test.cpp

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  • Why are some strings displayed as garbage when I scroll my read-only multiline Win32 edit control ve

    - by sharptooth
    In my native C+ Win32 GUI application I have a property sheet with two property pages. One of the property pages contains an edit box: EDITTEXT IDC_EDIT_ID,x,y,width,height,ES_MULTILINE | ES_READONLY | NOT WS_BORDER | WS_VSCROLL | WS_HSCROLL | NOT WS_TABSTOP,WS_EX_STATICEDGE I set a multiline text to this edit box. The text has more lines than the edit can fit, so some of the text is clipped and a vertical scroll bar appears. When I scroll up with the mouse the lines that come "from under clip area" are drawn as garbage - it looks like first one line is drawn, then some other line is drawn on the same place without first painting the background. The lines that just move up - ones that were visible before scrolling and remain visible after scrolling are displayed allright. What's the reason and workaround for this behavior?

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  • How to set ItemsSource?

    - by Mark
    This dialog makes no sense to me And I'm having trouble finding good tutorials on it. Most of the examples aren't detailed enough, or do stuff via code, but I'd like to take advantage of the IDE as much as possible. Whats the difference between ItemsSource and DataContext? I'd like to bind it to just a List for starters. I don't need SQL or databases or anything fancy. Where would I declare my list? In MainWindow.xaml.cs? How do I get it to appear in that dialog?

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  • How to find which existing .NET solutions contain a certain project?

    - by Daniel Daranas
    I am exploring a structure of folders with C# projects such as the following: Projects ProjectA ProjectB ProjectC ProjectD Scattered around in the same folders as the .csproj files, there are several solution (.sln) files. Is there a fast way to find all the solutions that contain ProjectD.csproj? I can open them one by one and see what they contain, but I would like a feature such as "find all the solutions containing this project".

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  • Getting information about where c++ exceptions are thrown inside of catch block?

    - by tfinniga
    I've got a c++ app that wraps large parts of code in try blocks. When I catch exceptions I can return the user to a stable state, which is nice. But I'm not longer receiving crash dumps. I'd really like to figure out where in the code the exception is taking place, so I can log it and fix it. Being able to get a dump without halting the application would be ideal, but I'm not sure that's possible. Is there some way I can figure out where the exception was thrown from within the catch block? If it's useful, I'm using native msvc++ on windows xp and higher. My plan is to simply log the crashes to a file on the various users' machines, and then upload the crashlogs once they get to a certain size.

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  • Linking Error Building 64bit Qt app on 32bit XP machine.

    - by photo_tom
    I'm trying to build a 64 bit version of my application (and yes I really do need the memory) on my 32bit xp dev box for production testing on our Vista64 server. Previously, I have built w/o any errors the Qt 4.6.2 DLL's in 64 bit mode. That step went vary smooth. Just to get started in building production, I'm trying to rebuild Qt's Star Delegate demo in 64bit mode. I converted the 32bit to 64bit app by changing the application configuration and adjusting the library's to the 64bit venisons. Now, when I go to link, I'm getting the following error when I link 1>------ Build started: Project: stardelegate, Configuration: Release x64 ------ 1>Linking... 1>MSVCRT.lib(crtexew.obj) : error LNK2001: unresolved external symbol WinMain 1>release64\stardelegate.exe : fatal error LNK1120: 1 unresolved externals Suggestions? edit - After some more searching, discovered if I link as a console app it will work and run. But not as a windows app. And I don't have this problem in 32 bit mode.

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  • How do you specify a 64 bit unsigned int const 0x8000000000000000 in VS2008?

    - by Mark Franjione
    I read about the Microsoft specific suffix "i64" for integer constants. I want to do an UNsigned shift to a ULONGLONG. ULONGLONG bigNum64 = 0x800000000000000i64 >> myval; In normal C, I would use the suffix "U", e.g. the similar 32 bit operation would be ULONG bigNum32 = 0x80000000U >> myval; I do NOT want the 2's complement sign extension to propogate through the high bits. I want an UNSIGNED shift on a 64 bit const number. I think my first statement is going to do a SIGNED shift right. I tried 0x800000000000000i64U and 0x800000000000000u64 but got compiler errors.

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  • Programatically building an MSI

    - by pm_2
    I would like to create a C# program that creates an MSI based on a number of parameters. For example, based on user settings, certain files would be included, or runtime parameters set. Can anyone point me towards any documentation that might help, or give me an idea where I might start with something like this?

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  • syntax error : missing ';' before identifier

    - by numerical25
    I am new to c++, trying to debug the following line of code class cGameError { string m_errorText; public: cGameError( char *errorText ) { DP1("***\n*** [ERROR] cGameError thrown! text: [%s]\n***\n", errorText ); m_errorText = string( errorText ); } const char *GetText() { return m_errorText.c_str(); } }; enum eResult { resAllGood = 0, // function passed with flying colors resFalse = 1, // function worked and returns 'false' resFailed = –1, // function failed miserably resNotImpl = –2, // function has not been implemented resForceDWord = 0x7FFFFFFF }; This header file is included in the program as followed #include "string.h" #include "stdafx.h" #include "Chapter 01 MyVersion.h" #include "cGameError.h"

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  • Switching between multiple reports (.rdlc) in a single report viewer

    - by UserNameHere
    I have 2 reports, "report1.rdlc" and "report2.rdlc" and I want to be able to swap betweent the 2 of them in a single report viewer ("rv_1"). I also have 3 buttons: btn_1 which does: rv_1.LocalReport.ReportEmbeddedResource = "Application1.Report1.rdlc" rv_1.RefreshReport() btn_2 which does: rv_1.LocalReport.ReportEmbeddedResource = "Application1.Report2.rdlc" rv_1.RefreshReport() btn_3 which does: dim rds as new ReportDataSource rds.name = rds.value = rv_1.reset() rv_1.LocalReport.DataSources.add(rds) rv_1.RefreshReport() Now no matter what I put for rds.name and rds.value it leaves me with "A data source instance has not been supplied for the data source 'dataSetName_TableName'. So my question is; what do I need to put there in order to get this to work correctly?

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