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Window Unhidder

, 14 Feb 2006 30.4K 1.3K 38
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A utility to list and hide/unhide all application windows.

Window Unhidder


This program allows the user to hide-unhide any window that is running on the system. It also gives interesting information about programs' activities. Many programs use hidden windows, that sometimes may cause problems. With WindowUnhidder, you can hide-unhide, enable/disable any window, and get information about process, title, class, parent window, exec path, etc.


The first aim of this program was to find and unhide some windows. Once done, I saw that it could be useful to show all info I can get.

Using the code

The program is ready for use. Most part of the code is in the class CWindowUnhidderDlg. I know that some more classes could be implemented, but at the beginning it was a little app, and it was not necessary.

The part of the code where windows are searched for is shown here:

    // search windows:
    char title[512], titlepadre[512], clase[100];
    HWND mWnd = NULL;
    HWND mWndPad = NULL;
    HWND mWndSys = NULL;
    mWnd = ::FindWindowEx(NULL,mWnd,NULL,NULL);

    int ii=0;
    while ( mWnd )
        ::GetWindowText(mWnd, title, 256);
        ::GetClassName(mWnd, clase, 100);
        CString vis = ::IsWindowVisible(mWnd)?'1':'0';
        CString ena = ::IsWindowEnabled(mWnd)?'1':'0';

        CString Cadena = "";
        mWndPad = mWnd;
        CString TitPad = "";
            mWndPad = ::GetParent(mWndPad);
            if (mWndPad)
                    ::GetWindowText(mWndPad, titlepadre, 256);
            TitPad = titlepadre;
            Cadena = CString(mWndPad?CString((TitPad=="")? 
                     "[no title]":TitPad):"[Desktop]") + 
                     CString(" :: ") + Cadena;
        while (mWndPad);

        CString Tit = title;
        if(Tit=="")Tit="[no title]";
        DWORD wd=0;
        stringstream ss,ssw;
        ss << wd;
        CString proc;
        bool full = m_FullPath.GetCheck() != 0;
        proc = GetProcessName(wd,full);

        int col=0;
        ssw << "#" << uppercase << hex << (int)mWnd;


        mWnd = ::GetNextWindow(mWnd,GW_HWNDNEXT);

Points of Interest

It is interesting to see how some programs use hidden windows. I found a funny trick: try to hide the windows (you can sort the columns) with the class "Progman" or "Shell_TrayWnd"... you will see what happens with the desktop!


Thanks to Hugo Gonzalez Castro for his help.


This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


About the Author

Software Developer (Senior)
Spain Spain
Javier Jimenez Shaw. Born in Madrid in 1975. Civil engineer, is working developing financial algorithms for exotic products.

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Comments and Discussions

GeneralOther tool... Pin
DuneAgent21-Feb-06 11:00
memberDuneAgent21-Feb-06 11:00 

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