Creating button windows

This is a discussion on Creating button windows within the Windows Programming forums, part of the Platform Specific Boards category; I have a few button windows and on wm_create i create these with createwindow() function and apply bitmaps to them. ...

  1. #1
    Registered User kakayoma's Avatar
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    Question Creating button windows

    I have a few button windows and on wm_create i create these with createwindow() function and apply bitmaps to them.
    when someone clicks on one of these bitmaps i destroy about 90% of them and when someone clicks on the remaining button i must recreate all of the buttons when i try this the project compiles without errors but when i click on the button which recreates the buttons it tells me an unhandled win32 exception happened and the application closes.


    How do i make this work??????????

    Vista - Something We all Love to Hate.

  2. #2
    Registered User valaris's Avatar
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    You have posted no source code, or even the error that you get.

    Good Job.

  3. #3
    Ex scientia vera
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    Quote Originally Posted by valaris View Post
    You have posted no source code, or even the error that you get.

    Good Job.
    QFT.
    "What's up, Doc?"
    "'Up' is a relative concept. It has no intrinsic value."

  4. #4
    Registered User kakayoma's Avatar
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    Exclamation

    Maybe you should read before posting it clearly says i used createwindow() from inside the windows proc but if you want it any way here:




    Code:
    void Createwins()
    {
         hButtona = CreateWindowEx (0,"BUTTON",
    "",
    WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_BITMAP,
    35,
    38,
    40,
    40,
    hwnd,
    (HMENU)IDB_BUTTON1,
    ((LPCREATESTRUCT) lParam)->hInstance,
    NULL);
    
    /* Set the button image */
    SendMessage(hButtona,
    BM_SETIMAGE,
    IMAGE_BITMAP,
    (LPARAM)LoadBitmap(g_hInst, MAKEINTRESOURCE(IDB_ONE)));
    (and 15 more similar buttons)
    (this is inside windowsproc) 
    
    if (LOWORD(wParam) == IDB_BUTTON17 &&
    HIWORD(wParam) == BN_CLICKED &&
    (HWND) lParam == hButtonx)
    {
    createwins();
    }

    Vista - Something We all Love to Hate.

  5. #5
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    You really don't need to destroy, then recreate your button cntrls. Just show/hide them.

  6. #6
    Registered User kakayoma's Avatar
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    How do i hide them??

    Vista - Something We all Love to Hate.

  7. #7
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    Code:
       ShowWindow(hMyButton,SW_HIDE);
                  
                 ShowWindow(hMyButton,SW_SHOW);

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