Problem z COMBOBOX

[Mati98Hautameki]

Mam taki kod:

#include <windows.h>
#include <commctrl.h>
#include <iostream>
#include "menu.h"
HWND hListBox;
/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);

/*  Make the class name into a global variable  */
char szClassName[ ] = "WindowsApp";

int WINAPI WinMain (HINSTANCE hInstance,
                    HINSTANCE hPrevInstance,
                    LPSTR lpszArgument,
                    int nFunsterStil)

{
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */

    /* The Window structure */
    wincl.hInstance = hInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = 0;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);

    /* Use default icon and mouse-pointer */
    wincl.hIcon = LoadIcon (hInstance, "IKONA");
    wincl.hIconSm = LoadIcon (hInstance, "IKONA");
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = "MAIN";                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use Windows's default color as the background of the window */
    wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;

    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;

    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
           0,                   /* Extended possibilites for variation */
           szClassName,         /* Classname */
           "Informator MN",       /* Title Text */
           WS_SYSMENU, /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           320,                 /* The programs width */
           240,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           NULL,                /* No menu */
           hInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );
           RECT rcl;
           GetClientRect( hwnd, & rcl );
           hListBox = CreateWindowEx( WS_EX_CLIENTEDGE, "COMBOBOX", "STATIC", WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL,
           0, 0, 320, 240, hwnd, NULL, hInstance, NULL );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'informator' 28.05.2012" );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'minecraft' 27.05.2012" );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'terraria' 27.05.2012" );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'programy' 27.05.2012" );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'gry' 27.05.2012" );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'windows mini' 27.05.2012" );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'kontakt' 27.05.2012" );
           SendMessage( hListBox, CB_ADDSTRING, 0,( LPARAM ) "Dodana strona 'strona główna' 27.05.2012" );
    /* Make the window visible on the screen */
    ShowWindow (hwnd, nFunsterStil);

    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        /* Translate virtual-key messages into character messages */
        TranslateMessage(&messages);
        /* Send message to WindowProcedure */
        DispatchMessage(&messages);
    }

    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}


/*  This function is called by the Windows function DispatchMessage()  */

LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)                  /* handle the messages */
    {
           case WM_COMMAND:
                          if((HWND)lParam == hListBox) 
                          { 
                          // Pobranie akutalnie zaznaczonego elementu 
                          int iWybor = SendMessage(hListBox, CB_GETCURSEL, 0, 0); 

                          switch(iWybor) 
                          { 
                          case 0: 
                               system("start http://cpp0x.pl/kursy/Kurs-WinAPI-C++/Kontrolki/Drzewo-TreeView/206");
                          break; 
                          } 
                          }
            break; 
        case WM_DESTROY:
            PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
            break;
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }

    return 0;
}

Co zrobic, żeby jak nacisnę na coś, to żeby tylko raz się włączała strona?

[PsichiX]

daj boola pamietajacego, czy strona zostala otwarta?

[Mati98Hautameki]

daj boola pamietajacego, czy strona zostala otwarta?

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