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covert HWND to string.

Posted on 2007-11-28
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Last Modified: 2012-06-27
I am looking for.

string1 = tostring( hwnd hwnd)


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Question by:Troudeloup
6 Comments
 
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by:Axter
Axter earned 170 total points
ID: 20370221
Convert it to a number string.
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by:grg99
grg99 earned 100 total points
ID: 20370223
A window handle is just an integer, so use sprintf or itoa or equivalent.

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by:Axter
Axter earned 170 total points
ID: 20370227
char buf[99] = "";

sprintf(buf, "%p", hwnd);
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LVL 30

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by:Axter
Axter earned 170 total points
ID: 20370232
FYI:
I recommend using sprintf over itoa, because it supports %p, which is the type that should be used for pointers.
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by:Jaime Olivares
Jaime Olivares earned 50 total points
ID: 20370264
in case of handlers, I suggest to use hex values, them are easier to read and compare:

char buf[9];
sprintf(buf, "%08X", hwnd);
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Ichijo earned 180 total points
ID: 20370279
Perhaps you want to get the text or title of the window:
#include <string>
 
using namespace std;
 
void HwndToString(HWND hWnd, wstring& sText)
{
    int nLength = GetWindowTextLength( hWnd );
    sText.reserve( nLength );
    GetWindowText( hWnd, &sText[0], nLength + 1 );
}

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