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autoclose all open windows c/c++ or masm32.

Posted on 2006-07-21
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Last Modified: 2008-02-01
Hi,

I am looking for some code to CLOSE ALL windows. (not shutdown winxp)


- find all OPEN windows  AND/OR find by Title,caption
- close it after 20 seconds. (repeat forever :-) )



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Question by:marco_coder
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6 Comments
 
LVL 25

Expert Comment

by:InteractiveMind
ID: 17156372
C++:

1) The GetDesktopWindow function returns a handle to the desktop window.

2) The EnumWindows function enumerates all top-level windows on the screen.

3) For each top-level window call EnumChildWindows. This call should be recursive to get all childs (call the same function for each enumerated window).

- AlexFM (http:/Q_20543904.html)
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LVL 25

Expert Comment

by:InteractiveMind
ID: 17156381
..Then to close a window from which you have the handle, send the SC_CLOSE system message to it:
::SendMessage(hWnd, WM_SYSCOMMAND, SC_CLOSE, NULL);
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Accepted Solution

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InteractiveMind earned 440 total points
ID: 17156423
Shove this in an infinite loop, and have a Sleep(20*1000); at the end of each loop.
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Author Comment

by:marco_coder
ID: 17163776
Hi,

so far i have managed to FIND the window.
And i try`d to close it but....
ERROR CODE =5 WICH = ACCESS DENIED.

see code here:
-------------------
#include <windows.h>
#include <iostream>
#pragma comment(lib,"winmm.lib")
#pragma comment(lib,"kernel32.lib")
#pragma comment(lib,"user32.lib")



using namespace std;
void blahblah();
int Message();


int main(int argc, TCHAR* argv[], TCHAR* envp[])
{

blahblah();

}



void blahblah()
{


      DWORD SEED=0;
      HWND hWin;
HWND hWin2;
const DWORD MINOR=30;
   for(;;)
   {

         if( hWin = FindWindow(NULL,"Million Dollar Traffic") )
{
cout << endl << " window  found" << endl; //TApplication
SendMessage(hWin,WM_QUIT,(LPARAM)0,(WPARAM)0);
//SendMessage(hWin,WM_DESTROY,(LPARAM)0,(WPARAM)0);
//SendMessage(hWin,WM_CLOSE,(LPARAM)0,(WPARAM)0);
//CloseWindow(hWin);
if(DestroyWindow(hWin)==FALSE)
Message();
}
//Internet Explorer_Server




Sleep(1000* (SEED+MINOR));
   SEED+2;
   SEED*5 /MINOR;
if(SEED>20)
SEED=1;


   } // end for


}



int Message()
{
LPVOID lpMsgBuf;
if (!FormatMessage(
    FORMAT_MESSAGE_ALLOCATE_BUFFER |
    FORMAT_MESSAGE_FROM_SYSTEM |
    FORMAT_MESSAGE_IGNORE_INSERTS,
    NULL,
    GetLastError(),
    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
    (LPTSTR) &lpMsgBuf,
    0,
    NULL ))
{
   // Handle the error.
   return 1;
}

//MessageBox( NULL, (LPCTSTR)lpMsgBuf, "Error", MB_OK | MB_ICONINFORMATION );
cout << endl << (LPCTSTR)lpMsgBuf << endl;
// Free the buffer.
LocalFree( lpMsgBuf );





return 0;

}





---------------------------


i know its complex.... i wonder how i can get ACCESS to a window instead of ACCESS DENIED.... confused..!

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Author Comment

by:marco_coder
ID: 17163796
it worked!
Thanx!
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LVL 1

Expert Comment

by:yogesh28577
ID: 17173843
you only specify windows title

CWnd* pWnd = CWnd::FindWindow(NULL, "india");
if (pWnd)
{
MessageBox ("found");
pWnd->GetOwner()->PostMessage(WM_QUIT);
}

here india is my application title
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