Close or discard MFC dialog after a given period of time
how to close or discard a MFC dialog box Automatically after 10 seconds. ...
visual-c++
How to use c# Dll in vc++??
I have created a dll using command line (csc). Suppose that dll contains Add(int,int) method. Now I want to use that add function in vc++?? How to do this? Your Help will be Greatly Appreciated. Here is what I am doing. vcproj; for this project i have right click and linker section add additional dependencies.added the path where d...
What happens if a throw; statement is executed outside of catch block?
In C++ throw; when executed inside a catch block rethrows the currently caught exception outside the block. In this answer an idea of exception dispatcher is brought up as a solution to reducing code duplication when using complex exception handling often: try { CodeThatMightThrow(); } catch(...) { ExceptionHandler(); } void E...
DEBUG ERROR : Runtime needed for <name.exe> occurs while cusing COM in vc++ project?
I have created a COM component for my work. I have registered the component also. On my system I have two VM workstations. In my first workstation it works fine. In my second workstation it displays an error box containing the message this program needs a rumtime and closes an unusual way please contact applications administrator. I ...
How to traverse a windows explorer like tree structure
Hello All. I am working on designing a FTP client and need some help with designing a feature which its sole purpose is to be able to traverse a tree like structure and upload the folders and files which have been selected by the user. So essentially the user can select multiple folders and files at one time from the local file and fol...
application has failed to start because the side by side configauration is incorrect
HI I have creted an exe by c++ using visualstudio. I have creted a com componet which discover all the instances of sqlserver on particular machine.now in c++ program using visualstudio i write main() and consume the com component. Now it should worrk on my both workstations which are w2k3 machines.And when i try to run the same on w2...
How to resolve Debug Error
Hi I hav prepare a com component using c#. I have created a vc++ console application.in that consoloe application by consuming the com component i have build a .exe file called SQLDiscovery.exe this exe is working well in win2k3 machines fine. and i copied the sqldiscovery.exe to win2k8 machine and i have registerd the dll also. annd ...
How to use vc++ class library in some other project?
Hi I have created a class library whcih has simple Dispaly(). I need to use that display function in some other Vc++ project how can i do this ?? Plz help me Thanks in advance ...
How to define preprocessor directives in VC++ 2008?
I'm using Visual C++ 2008 Express Edition. The WIN32 preprocessor directive doesn't appear to be defined by default, so when I surround includes with #ifndef WIN32, it still includes them. I found someone with the exact same problem below, but it was so long ago that the location of this setting has changed: http://www.gamedev.net/comm...
How to erase & delete pointers to objects stored in a vector?
I have a vector that stores pointers to many objects instantiated dynamically, and I'm trying to iterate through the vector and remove certain elements (remove from vector and destroy object), but I'm having trouble. Here's what it looks like: vector<Entity*> Entities; /* Fill vector here */ vector<Entity*>::iterator it; ...
How to link a static library in Visual C++ 2008?
My VC++ solution includes two projects, an application (exe) and a static library. Both compile fine, but fail to link. I'm getting an "unresolved external symbol" error for each function from the static lib I use. They look like this: MyApplication.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) int __cdecl MySt...
Error C2228 when constructing boost::function object in constructor argument list
The code below does not compile in Visual C++ 2005. class SomeClass { public: boost::function<void()> func; SomeClass(boost::function<void()> &func): func(func) { } }; void someFunc() { std::cout << "someFunc" << std::endl; } int main() { SomeClass sc(boost::function<void()>(&someFunc)); sc.func(); // error C2228: ...
Convert MFC CString to integer
How to convert a CString to integer in MFC (VC++ 6.0) ...
__vftptr is NULL
We received crash dump from customer site. I see that in one of the structures o nstack __vfptr is NUL. Does it always point to problematic condition (memeory overrun, deleting object twice...) or is there case where this pointer can be null. ...
Getting the containing window of a known control using the control's handle
This is probably an easy one for a GUI programmer, which I'm not... In a tool I'm working on (GUI "spy" for internal use) I have the handle of a control the user has chosen. I would like to get the handle of the window that contains the control, in order to sent it a certain message. Now: The control could be of various types, and po...
cpp datatype
Hello i am developing an MFC application in vc++ 6.0.I created one int variable(m_iEdit1) to the EditBox1 and one CString variable(m_strEdit2) to the EditBox2. I wanted to give the condition that two editbox must not be empty. if(m_iEdit1==" ") return; if(m_strEdit2==" ") return; But the first condition will not work here i wil...
How to compile the Botan crypto library as a static lib in VC++?
I've been extremely unsuccessful in compiling Botan as a static library in Visual C++. The build.h file contains the following code: #ifndef BOTAN_DLL #define BOTAN_DLL __declspec(dllexport) #endif This macro then shows up pretty much everywhere in the Botan codebase, like this: class BOTAN_DLL AutoSeeded_RNG : public RandomNumberG...
Thread Safe Data and Thread Safe Containers
Hi Guys I want to know what is the difference between thread safe Data and Thread Safe Containers ...
Is there a faster way to detect object type at runtime than using dynamic_cast?
I have a hierarchy of types - GenericClass and a number of derived classes, InterestingDerivedClass included, GenericClass is polymorphic. There's an interface interface ICallback { virtual void DoStuff( GenericClass* ) = 0; }; which I need to implement. Then I want to detect the case when GenericClass* pointer passed into ICallba...
mfc application
How can i stop mfc dialog application closing by pressing ESC (Escape key). After executing my application if u press ESC key then the window is closed. how it can be stopped, i am using VC++ 6.0. ...