void TaskManager_OnTabWndSelChange ( void )
Definition at line 854 of file taskmgr.c.
{
    int    i;
    HMENU  hMenu;
    HMENU  hOptionsMenu;
    HMENU  hViewMenu;
    HMENU  hSubMenu;
    WCHAR  szTemp[256];
    SYSTEM_INFO sysInfo;

    hMenu = GetMenu(hMainWnd);
    hViewMenu = GetSubMenu(hMenu, 2);
    hOptionsMenu = GetSubMenu(hMenu, 1);
    TaskManagerSettings.ActiveTabPage = TabCtrl_GetCurSel(hTabWnd);
    for (i = GetMenuItemCount(hViewMenu) - 1; i > 2; i--) {
        hSubMenu = GetSubMenu(hViewMenu, i);
        if (hSubMenu)
            DestroyMenu(hSubMenu);
        RemoveMenu(hViewMenu, i, MF_BYPOSITION);
    }
    RemoveMenu(hOptionsMenu, 3, MF_BYPOSITION);
    switch (TaskManagerSettings.ActiveTabPage) {
    case 0:
        ShowWindow(hApplicationPage, SW_SHOW);
        ShowWindow(hProcessPage, SW_HIDE);
        ShowWindow(hPerformancePage, SW_HIDE);
        BringWindowToTop(hApplicationPage);

        LoadStringW(hInst, IDS_MENU_LARGEICONS, szTemp, 256);
        AppendMenuW(hViewMenu, MF_STRING, ID_VIEW_LARGE, szTemp);

        LoadStringW(hInst, IDS_MENU_SMALLICONS, szTemp, 256);
        AppendMenuW(hViewMenu, MF_STRING, ID_VIEW_SMALL, szTemp);

        LoadStringW(hInst, IDS_MENU_DETAILS, szTemp, 256);
        AppendMenuW(hViewMenu, MF_STRING, ID_VIEW_DETAILS, szTemp);

        if (GetMenuItemCount(hMenu) <= 4) {
            hSubMenu = LoadMenuW(hInst, MAKEINTRESOURCEW(IDR_WINDOWSMENU));

            LoadStringW(hInst, IDS_MENU_WINDOWS, szTemp, 256);
            InsertMenuW(hMenu, 3, MF_BYPOSITION|MF_POPUP, (UINT_PTR) hSubMenu, szTemp);

            DrawMenuBar(hMainWnd);
        }
        CheckMenuRadioItem(hViewMenu, ID_VIEW_LARGE, ID_VIEW_DETAILS, TaskManagerSettings.ViewMode, MF_BYCOMMAND);

        /*
         * Give the application list control focus
         */
        SetFocus(hApplicationPageListCtrl);
        break;

    case 1:
        ShowWindow(hApplicationPage, SW_HIDE);
        ShowWindow(hProcessPage, SW_SHOW);
        ShowWindow(hPerformancePage, SW_HIDE);
        BringWindowToTop(hProcessPage);

        LoadStringW(hInst, IDS_MENU_SELECTCOLUMNS, szTemp, 256);
        AppendMenuW(hViewMenu, MF_STRING, ID_VIEW_SELECTCOLUMNS, szTemp);

        LoadStringW(hInst, IDS_MENU_16BITTASK, szTemp, 256);
        AppendMenuW(hOptionsMenu, MF_STRING, ID_OPTIONS_SHOW16BITTASKS, szTemp);

        if (TaskManagerSettings.Show16BitTasks)
            CheckMenuItem(hOptionsMenu, ID_OPTIONS_SHOW16BITTASKS, MF_BYCOMMAND|MF_CHECKED);
        if (GetMenuItemCount(hMenu) > 4)
        {
            DeleteMenu(hMenu, 3, MF_BYPOSITION);
            DrawMenuBar(hMainWnd);
        }
        /*
         * Give the process list control focus
         */
        SetFocus(hProcessPageListCtrl);
        break;

    case 2:
        ShowWindow(hApplicationPage, SW_HIDE);
        ShowWindow(hProcessPage, SW_HIDE);
        ShowWindow(hPerformancePage, SW_SHOW);
        BringWindowToTop(hPerformancePage);
        if (GetMenuItemCount(hMenu) > 4) {
            DeleteMenu(hMenu, 3, MF_BYPOSITION);
            DrawMenuBar(hMainWnd);
        }

        GetSystemInfo(&sysInfo);

        /* Hide CPU graph options on single CPU systems */
        if (sysInfo.dwNumberOfProcessors > 1)
        {
            hSubMenu = CreatePopupMenu();

            LoadStringW(hInst, IDS_MENU_ONEGRAPHALLCPUS, szTemp, 256);
            AppendMenuW(hSubMenu, MF_STRING, ID_VIEW_CPUHISTORY_ONEGRAPHALL, szTemp);

            LoadStringW(hInst, IDS_MENU_ONEGRAPHPERCPU, szTemp, 256);
            AppendMenuW(hSubMenu, MF_STRING, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, szTemp);

            LoadStringW(hInst, IDS_MENU_CPUHISTORY, szTemp, 256);
            AppendMenuW(hViewMenu, MF_STRING|MF_POPUP, (UINT_PTR) hSubMenu, szTemp);

            if (TaskManagerSettings.CPUHistory_OneGraphPerCPU)
                CheckMenuRadioItem(hSubMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, MF_BYCOMMAND);
            else
                CheckMenuRadioItem(hSubMenu, ID_VIEW_CPUHISTORY_ONEGRAPHALL, ID_VIEW_CPUHISTORY_ONEGRAPHPERCPU, ID_VIEW_CPUHISTORY_ONEGRAPHALL, MF_BYCOMMAND);
        }

        LoadStringW(hInst, IDS_MENU_SHOWKERNELTIMES, szTemp, 256);
        AppendMenuW(hViewMenu, MF_STRING, ID_VIEW_SHOWKERNELTIMES, szTemp);

        if (TaskManagerSettings.ShowKernelTimes)
            CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_CHECKED);
        else
            CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_UNCHECKED);

        /*
         * Give the tab control focus
         */
        SetFocus(hTabWnd);
        break;
    }
}
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