modeless dialog not interacting with main window

This is a discussion on modeless dialog not interacting with main window within the Windows Programming forums, part of the Platform Specific Boards category; I am having trouble getting my toolbar dialog to interact with the main window, or the edit box. Right now ...

  1. #1
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    Mar 2007
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    416

    modeless dialog not interacting with main window

    I am having trouble getting my toolbar dialog to interact with the main window, or the edit box. Right now I am just testing it on save, and open. The functions do work from the menu, but not from the dialog. I've tried using SendMessage(), PostMessage(), and SendNotifyMessage(). None of which seem to work correctly with the window. PostMessage freezes the entire program, the other two don't do anything. I just want to be able to click save from the toolbar, and have it save the edit box text. There are no compiler errors, or warnings. Here is my DlgProc() function.

    Code:
    BOOL CALLBACK DlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
    {
        switch(Message)
        {
            case WM_INITDIALOG:
    
            return TRUE;
            case WM_COMMAND:
                switch(LOWORD(wParam))
                {
                    case ID_FILE_SAVE:
    					if(MiniWnd){
    						PostMessage(hwnd,WM_COMMAND,ID_FILE_SAVE,0);
    						}
    					else
                            MessageBox(hwnd,"Please open the edit box","Error",MB_OK);
                    break;
                    
                    case ID_FILE_OPEN:
    					if(MiniWnd){
    						PostMessage(hwnd,WM_COMMAND,ID_FILE_OPEN,0);
    						}
    					else
    						MessageBox(hwnd,"Please open the edit box","Error",MB_OK);
                    break;
                    
                    case ID_DLG_CLOSE:
    					ShowWindow(dlgret,SW_HIDE);
    					break;
                }
            break;
            default:
                return FALSE;
        }
        return TRUE;
    }
    I can't get it to indent correctly on the post, but it is indented right in the .cpp file, so don't worry about that.

  2. #2
    and the hat of wrongness Salem's Avatar
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    > I can't get it to indent correctly on the post, but it is indented right in the .cpp file, so don't worry about that.
    Wrong way round - we have to read the poorly formatted code, not you.
    FYI, turn off TABS in your IDE and make it indent only using spaces. Then everyone will see the same as you see.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
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  3. #3
    Kernel hacker
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    Doesn't your postmessage have to go to the MAIN window (I'm no good with postmessage, so I'm not saying it is so).

    --
    Mats

  4. #4
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    416
    Salem, thank you for the tip

    matsp, i didnt catch what you meant at first, but i realized i had the same variable name for the HWND of the DlgProc as the main window of the program, it now works the way I want it to.

    Thanks guys!

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