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Hi Experts,
How can I restrict copy and paste (from mouse and keyboard) from a view?
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1. Capture the Key Down/Mouse click event
2. Find if it's a Copy(Ctrl+C) action
3. return from the Key down handler if it's a Ctrl+C
It would be good if you can elaborate on what is in that view
You talk about Being HUMAN. I have it in my name
AnsHUMAN
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The question is: what view? Is it MFC Cedit or CrichEdit derived view?
Anyway, you do not have capture anything. Where is the word capture coming from? Windows sends messages that you choose to handle or not you do not have to set any traps to capture.
Anyway, if this is MFC application it has menu items and possibly corresponding accelerator keys combination with the same ID.
For example: ID_EDIT_PASTE has Ctrl-V or CTRL-Insert key combinations.
If you want to completely disable copying pasting, insert do nothing (empty) handlers for those IDs, leave accelerators intact and remove appropriate menu items.
If you want to disable editing under certain condition, use Update UI for those commands.
JohnCz
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By the artical:
http://msdn.microsoft.com/en-us/library/9yb4317s(v=vs.80).aspx[^]
After create a new platform of x64, I can create a new solution configuration for Debug Win64 and copy settings from Debug Win32. But I wonder how to set the properties for the x64 solution. After I create new solution configuration and copy settting from Win32, I found the macro WIN32 is still there, but not replaced by WIN64.
For win64 application, which macro(s) should I set in the /D setting? Should I keep the /DWIN32?
Btw, I found the _WIN32,_WIN64 macro in MFC source code, but not WIN32,WIN64. Which one is required in the /D setting?
Thanks for your inputs.
/Sam
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I think you have't fully understood that article.
When you are copying win32 settings to x64, that article clearly mentioned to change win32 switch to win64 for /D switch
Quote: Values of WIN32 are replaced by WIN64 for /D (Preprocessor Definitions).
Quote: I found the _WIN32,_WIN64 macro in MFC source code
Which source code? your code or in any of the standard headers?
If it is yours, then you should take care to propely to map these settings to win32 and win64 pre-processor definitions
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Some marcos like WIN32/_WIN32 and WIN64/_WIN64 are used by VC++. I am not sure what's the difference between WIN32/WIN64 and _WIN32/_WIN64.
Lakamraju Raghuram wrote: I think you have't fully understood that article.
When you are copying win32 settings to x64, that article clearly mentioned to change win32 switch to win64 for /D switch
Refering to the artical, the WIN32 macro should be repalced by WIN64 with /D switch support. But after I did it under the steps, the WIN32 macro still there but not replaced by WIN64. You may try it from your side. So I am confused by the result.I wonder if it is a defect of vs2008 IDE. Some other articals mentioned that the WIN32 macro always should be set with /D switch and with WIN64 macro definied for x64 application perspectively.
Lakamraju Raghuram wrote: Which source code? your code or in any of the standard headers?
If it is yours, then you should take care to propely to map these settings to win32 and win64 pre-processor definitions
I found the _WIN64 macro in MFC header file of basestd.h. Here a code snap:
#if defined(_WIN64)
typedef __int64 INT_PTR, *PINT_PTR;
typedef unsigned __int64 UINT_PTR, *PUINT_PTR;
typedef __int64 LONG_PTR, *PLONG_PTR;
typedef unsigned __int64 ULONG_PTR, *PULONG_PTR;
#define __int3264 __int64
#else
typedef _W64 int INT_PTR, *PINT_PTR;
typedef _W64 unsigned int UINT_PTR, *PUINT_PTR;
typedef _W64 long LONG_PTR, *PLONG_PTR;
typedef _W64 unsigned long ULONG_PTR, *PULONG_PTR;
#define __int3264 __int32
#endif
So I am not sure which macro I should set in the preprocessor definition setting. By default, VS2008 IDE set the WIN32 macro with /D switch. Also I found _WIN32 macro is used in the MFC header files and source files.
modified 30-Apr-12 7:27am.
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SAMZCN wrote: So I am not sure which macro I should set in the preprocessor definition setting.
My 64 bit projects have _WIN64 defined in the preprocessor definitions. Btw... you are correct... when you copied the project settings it should have been automatically updated by Visual Studio.
Best Wishes,
-David Delaune
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hello hello hello
simply i have this code . and i need help to modify or change >= operators in class .
#include <iostream>
using namespace std ;
class time
{
private :
int hour ;
int minute ;
int second ;
public :
time ()
{}
time (int h , int m , int s ) : hour ( h) , minute (m) , second(s)
{}
void get ()
{
cin >> hour >> minute >> second ;
}
void show ()
{
cout << hour << " : " << minute << " : " << second << endl ;
}
bool operator >= ( time r )
{
if ( hour >= r.hour )
{
if ( hour > r.hour )
{
return true ;
}
else
{
if ( minute >= r.minute )
{
if ( second >= r.second )
return true ;
else
return false ;
} else {
return false ;
}
}
}
else
return false ;
}
};
int main ()
{
time a, b ;
a.get() ;
b.get() ;
a.show() ;
b.show () ;
if ( a >= b )
cout << "true \n" ;
else
cout << "not true \n" ;
return 0 ;
}
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Hi,
I need to retrive a list from IP server.
Do you know how to do it by AsyncIO?
Even good referance will be great...
Thanks! 
modified 29-Apr-12 9:07am.
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Run, don't walk, to the Boost website (http://www.boost.org/)and grab yourself a copy of the complete libraries. Start compiling it and while you're waiting start looking at the documentation for the asio library - http://www.boost.org/doc/libs/1_46_1/doc/html/boost_asio.html.
Another option would be to go and have a look at ACE (http://www.cs.wustl.edu/~schmidt/ACE.html). It's a bit older code base with a clunkier interface but still worth a look.
Both of them do the job of asynchronous network I/O really well. I found the Boost library easier to use but then I've been programming C++ for a while now. I imagine if you were less experienced then ACE might be the better option as the interface is older from the time before C++ was so well understood and standardised.
Good luck!
Ash
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Dear all everyone,
My project compiled out "exe file" but I want protect this exe file when click it(password requestion).Please help me! I created this project by DIALOG(MFC)in environment of visual studio 2005.
Thanks and Best regards,
LQLONG
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If I'm not missing something, you just write code to ask for password.
"Real men drive manual transmission" - Rajesh.
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I help you with what exactly? Read point #2 in this post: How to ask a question[^]
"Real men drive manual transmission" - Rajesh.
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Dear Mr. Chris Maunder,
Thanks and Good health,
LQL
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hey guys i have this
int main(void)
{
while (malloc(50));
return 0;
}
but after a couple of seconds it just asks to press any key to continue. what i would like it to do is just run till it crashes the program?
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Wimdows, MacOSX, Linux, GCC, Visual Studio.....?
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windows, using c-free 5. i just want it to keep running untill it crashes or slows my comp down heaps
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malloc returns NULL when it can't allocate the requested memory. So your program simply allocates 50 bytes in a loop until memory runs out then exits (as NULL is treated as false by the while loop). Why would you expect a spectacular crash?
Steve
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int main()
{
while(true)
malloc(50);
return 0;
}
The loop is now infinite, but the memory will sooner or later be exhausted.
At that point, malloc will not allocate anymore, but the loop will still cycle forever.
It will be very hard to stop it, having no more resource to create another process to kill the cycling one ...
2 bugs found.
> recompile ...
65534 bugs found.
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Hello!
I am searching for an old artical that defines how to protect all the running processes from being modified by some other process or virus.
It articulate about: for most of the time it is required that we should be alerted when something tries to alter our running processes. The source code provided was also release as an separate free downloadable product on author personal website.
-- Waqar
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