ツリービューとシェル名前空間

#pragma comment (lib, "comctl32.lib")

InitCommonControls();

hTree = CreateWindowEx(WS_EX_CLIENTEDGE, WC_TREEVIEW, 0,

      WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL | 

      TVS_HASBUTTONS | TVS_HASLINES | TVS_LINESATROOT,

      0, 0, 10, 10, hWnd, (HMENU)1,

      ((LPCREATESTRUCT)lp)->hInstance, NULL

    );

    TVINSERTSTRUCT tvi;

    tvi.hParent = TVI_ROOT;

    tvi.hInsertAfter = TVI_SORT;

    tvi.item.mask = TVIF_TEXT;

    tvi.item.pszText = kRootText;

    HTREEITEM hTreeRoot = TreeView_InsertItem(hTree, &tvi);

    tvi.hParent = hTreeRoot;

    tvi.item.pszText = kChildText;

    TreeView_InsertItem(hTree, &tvi);

  static HTREEITEM s_hSelectedItem = NULL;

  static HTREEITEM s_hTreeRoot = NULL;

  ・・・

  case WM_NOTIFY:

    unsigned int c = ((LPNMHDR)lp)->code;

    if (c == TVN_SELCHANGED) {// || c == NM_CLICK) {//case NM_CLICK:

      TVITEMEX item;

      item.mask = TVIF_HANDLE | TVIF_TEXT;

      item.hItem = ((LPNMTREEVIEW)lp)->itemNew.hItem;

      item.pszText = s_SelectedItemText;

      item.cchTextMax = sizeof(s_SelectedItemText) / sizeof(TCHAR);

      TreeView_GetItem(s_hTree, &item);

      s_hSelectedItem = ((LPNMTREEVIEW)lp)->itemNew.hItem;

    }

    return 0;

void EnumTree(HWND hWnd, HWND hTree, HTREEITEM hItem)

{

  hItem = TreeView_GetNextItem(hTree, hItem, TVGN_CHILD);

  TVITEMEX item;

  TCHAR    szBuf[256] = TEXT("");

  while (hItem != NULL) {

    item.mask = TVIF_HANDLE | TVIF_TEXT | TVIF_CHILDREN;

    item.hItem = hItem;

    item.pszText = szBuf;

    item.cchTextMax = sizeof(szBuf) / sizeof(TCHAR);

    TreeView_GetItem(hTree, &item);

    MessageBox(hWnd, szBuf, TEXT("EnumTree"), MB_OK);

    if (item.cChildren > 0) {

      EnumTree(hWnd, hTree, hItem);

    }

    hItem = TreeView_GetNextItem(hTree, hItem, TVGN_NEXT);

  }

}