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Calling Derived class functions using base class object

Hi AllI have three classclass Store{public:virtual void save();}class RegStore::public Store{public:void save();}class Settings{public:Store *st;}In settings constructor,Settings::Settings(Store...

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is it okay to create an installer that copies CRT libraries to client machines?

Since not all client machines have msvcr80.dll and msvcm80.dll, is it okay from a legal perspective to have an installer copy them to the client machine's installation folder given that they are MS dlls?

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A breakpoint problem

Hi All,I’m working on a very old console application program that has been built on Visual Studio 2005 C++When I’m running it runs with no problems besides the following:It seems that I can’t put any...

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Virtual Function in C++

Hello guys, i am little bit confused about Virtual function in C++.in the following program the base class object 'b' only calls base class 'show()' function and derived class object 'd' calls only...

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How to use SetCursor function?

I already tried a lot of ways but still cannot change the cursor during run-time. Any ideas?SetCursor function

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Retrieve credentials using InternetErrorDlg

I have basic authentication and tomcat/SSO enabled web server. First request to the server gives status code as 401(expected.) I prompt user for credentials using InternetErrorDlg function. Now I wish...

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Code breaks,don't know why

"Unhandled exception at 0x76009617"and it stops right here" while(msge.message != WM_QUIT) { // If there are Window messages then process them. if(PeekMessage( &msge, 0, 0, 0, PM_REMOVE )) {...

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Enumerating children problem

So I'm trying to find a radio button in a window.I'm using enumerate children function with the following function as processor:LONG style; style = GetWindowLong(hwnd, GWL_STYLE);...

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error MIDL2003: redefinition when compiling ATL generated idl with windows.h...

As part of a requirement, I had to include sql.h and windows.h in an ATL generated idl. Unfortunately, it keeps on complaining whensql.h is included1>c:\program files (x86)\windows...

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Application Verifier(x64) fails with this simple program. Where is the bug?

f I run the following simple program under Application Verifier(x64) I get a heap error Heap block corrupted after being freed.  1971000 - Heap handle for the heap owning the block. 5803ef0 - Heap...

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console app error - No such interface supported

I have a VS 2010 C++ application that is developed as a console app.  When I build the application and run it on my developmetn PC, the application runs as expected.  When I take the EXE and put it on...

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CMFCToolBar vs CToolbar LoadToolBar Usage Changes

Had older VS2005 MFC GUI project, imported to VS2010, that used CToolBar::LoadToolBar for standard toolbar, then upon program state changes called CToolBar::LoadToolBar to display a non-standard...

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HOWTO switch off back light of 1 from N monitors ?

As I learned here:http://social.msdn.microsoft.com/Forums/en-US/vcgeneral/thread/d2f6d4be-dcf0-4de2-94ef-5d46c426951aThe backlight of a panel can be switched on/off by sending the      >>...

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Which message do I get from a checkbox?

So I have a checkbox,and I want to execute some code when it gets checked.Which is the exact message I should look for when it's clicked:BST_CHECKED?

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EEFileLoadException on unit test(clr) using static lib(clr) and .Net assembly

 I have a unit test project using shared MFC dll compiled with /clr. This test is instancing a class "Foo" from a static library (also using shared MFC and /clr) and then calling a method "virtual void...

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Problem with checking Checkbox

So,I'm enumerating all the childs of a window,and using this as a processor:LONG style; style = GetWindowLong(hwnd, GWL_STYLE); if((style & BS_TYPEMASK) == BS_AUTOCHECKBOX){...

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CCreateContext logistics

From investigation it appears as long as I create any 2nd views that are derived from CView (or one of it's derivated classes)  using the mfc IMPLEMENT_DYNCREATE then I don't have to worry about any...

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How to save the text file in the Documents folder

In a CLR project, windows form,I use SaveFileDialog control and richTextBox->LoadFile  to save a text file:private: System::Void viewlog_Load(System::Object^ sender, System::EventArgs^ e) {...

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Project Migration from VC ++ 6.0 to VS 2008

 Steps to migrate the code from VC ++ 6.0 to VS 2008? Please let me know. I need to migrate teh VC ++ 6.0 code to VS 2008 professional. I am getting lot of compilation errors. Where can I find the...

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VS2012: Missing class members in watch/quickwatch when class derived from std...

Quickwatch does not display class members if the class is derived from std::map. I first noticed this issue after upgrading from VS2010 to VS2012.Sample class snippet:class SmblsWthLval : public...

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