Thread: parent window and messages

  1. #1
    Registered User
    Join Date
    Dec 2002

    parent window and messages

    Hi everyone,
    I needed to group controls in a static control. I used WS_EX_CONTROLPARENT for this and used CreateWindowEx function for each. Now I have a problem, my controls, buttons, only accepts enter key, pressing space or mouse clicking doesn't get WM_COMMAND messages. I have attached this example, it is a Dev-Cpp v4.7 project. But I think this is not related to compiler.

    Happy new year
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  2. #2
    &TH of undefined behavior Fordy's Avatar
    Join Date
    Aug 2001
    You set the button to have the static control as its parent...therefore all messages created by the button will go to the static (which is a window in its own right, albeit with a very simple WndProc that is implemented by the system). If you make the following change to youe WM_CREATE handler it will work

            case WM_CREATE:
                Label1 = CreateWindowEx(WS_EX_CONTROLPARENT, "static", 
                            "Label1", WS_VISIBLE|WS_CHILD, 
                            12, 17, 361, 165, hWnd, 
                            (HMENU) ID_Label1, hInst, NULL);
                SendMessage(Label1, (UINT) WM_SETFONT,
                            (WPARAM) GetStockObject(DEFAULT_GUI_FONT),
                            (LPARAM) MAKELPARAM(FALSE, 0));
                Button1 = CreateWindowEx(0, "Button", "Button1", 
                            33, 113, 86, 27, hWnd, 
                            (HMENU) ID_Button1, hInst, NULL);
                SendMessage(Button1, (UINT) WM_SETFONT, 
                            (WPARAM) GetStockObject(DEFAULT_GUI_FONT), 
                            (LPARAM) MAKELPARAM(FALSE, 0));

  3. #3
    Registered User
    Join Date
    Dec 2002
    Thank you Mr. Fordy,

    I have just get your reply. I will try it ASAP. However, I needed to do the "label1" as parent for grouping purpose. Say all controls show or hide over it.

    Now, I subclassed the static, so I can catch space-bar and mouse clicks in new proc. But already needs WM_COMMAND to catch enter keys separately in WndProc (main proc). How can I catch all in subclassed proc?
    Here, in example I created one more subclassed static for test purpose.

    Want to learn? Then try to teach...

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