center the GetOpenFileName

This is a discussion on center the GetOpenFileName within the Windows Programming forums, part of the Platform Specific Boards category; I'm in XP machine and I'm trying to center, by hook, the Open file dialog.... Ok... It's suppose to be ...

  1. #1
    Registered User Joelito's Avatar
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    Lightbulb center the GetOpenFileName

    I'm in XP machine and I'm trying to center, by hook, the Open file dialog....
    Ok... It's suppose to be like this one:
    http://msdn.microsoft.com/library/en...opendialog.gif
    but, the result is the one that comes with Win98
    Here's my short version of my code:
    Code:
    UINT APIENTRY OFNHookProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
    {
        switch (uMsg)
        {
            case WM_INITDIALOG:
                {
                    RECT r;
                    int w, h, x, y;
                    GetWindowRect(GetParent(hWnd), &r);
                    w = r.right - r.left;
                    h = r.bottom - r.top;
                    GetWindowRect(GetDesktopWindow(), &r); 
                    MoveWindow(GetParent(hWnd), (r.right-w)/2,(r.bottom-h)/2, w, h, TRUE);
                    return TRUE;
                }
            default:
                {
                    break;
                }
        }
        return FALSE;
    }
    
    // loading the struct
    OPENFILENAME ofn;
    
    ZeroMemory(&ofn, sizeof(OPENFILENAME)); 
    
    ofn.lStructSize = sizeof(OPENFILENAME);
    ofn.hwndOwner = hWndParent;
    ofn.nFilterIndex = iIndex;
    ofn.lpstrFile = lpbuffer;
    ofn.nMaxFile = MAX_PATH;
    ofn.lpstrFilter = "(*.*)\0*.*\0\0";
    ofn.Flags = OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST|OFN_ENABLEHOOK|OFN_EXPLORER|OFN_ENABLEHOOK;
    ofn.lpfnHook = OFNHookProc;
    GetOpenFileName(&ofn);
    Any ideas?

  2. #2
    Yes, my avatar is stolen anonytmouse's Avatar
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    Quote Originally Posted by MSDN
    For compatibility reasons, the Places Bar is hidden if Flags is set to OFN_ENABLEHOOK and lStructSize is OPENFILENAME_SIZE_VERSION_400.
    You could try adding this line above your #includes:
    Code:
    #define _WIN32_WINNT 0x0500
    This tells the compiler to use the newer structure size but will also make your program break on platforms earlier than Windows 2000.

  3. #3
    Registered User Joelito's Avatar
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    @anonytmouse: Good spot :up: Although, still doesn't work

  4. #4
    Registered User r1ck0r's Avatar
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    Originally Posted by MSDN
    For compatibility reasons, the Places Bar is hidden if Flags is set to OFN_ENABLEHOOK and lStructSize is OPENFILENAME_SIZE_VERSION_400.
    it seems that if you are wanting to hook the dialog (by setting the OFN_ENABLEHOOK flag). Then it's not possible for that 'places bar' to show up. I've made many attempts to try and overcome this but it seems it's not that easy to do.

    There are a couple of ways which I can think of which would make it possible to center the dialog without hooking it, but they are very 'hackerish' and not advised. One would be to create a tiny dialog with the popup style, center that, then set that window as the parent... The other would be to create a thread which would use FindWindowEx() to retrieve the dialog's HWND, then use SetWindowPos(). As you can see, these are awfull suggestions..


    -r1ck0r

  5. #5
    Registered User Joelito's Avatar
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    Yeah, I though that also but... no luck at the moment
    Anyway... I stuck on this, now :/
    I'm poping the Folder dialog:
    Code:
    int CALLBACK BrowseCallbackProc(HWND hwnd, UINT msg, LPARAM lParam, LPARAM lpData)
    {
    	switch (msg)
    	{
    	case BFFM_INITIALIZED:
    		{
    			break;
    		}
    	case BFFM_SELCHANGED:
            {
                break;
            }
    	default:
            {
                break;
            }
    	}
    	return 0;
    }
    
    bi.lpfn = BrowseCallbackProc;
    bi.ulFlags = BIF_RETURNONLYFSDIRS|BIF_STATUSTEXT|BIF_EDITBOX;
    Is it possible:
    1.- Put the absolute path of the chosen folder in the edit box?
    2.- If the user put another folder on the edit box, return that folder?

    Thanks!

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