SftTree/DLL 7.5 - Tree Control

Sibling

Returns an item's sibling information.

C

int WINAPI SftTree_GetSibling(HWND hwndCtl, int index, int type);
int WINAPI SftTreeSplit_GetSibling(HWND hwndCtl, int index, int type);

C++

int CSftTree::GetSibling(int index, int type) const;
int CSftTreeSplit::GetSibling(int index, int type) const;

Parameters

hwndCtl

The window handle of the tree control.

index

The zero-based index number of the item for which sibling item information is to be retrieved.

type

A value indicating the type of sibling item information to retrieve.

Returns

The return value is the index of the requested sibling item or -1 if the specified item doesn't have a sibling of the specified type.

Comments

The GetSibling function returns an item's sibling information.

Examples

C

    // sort this item's dependents
    SftTree_SortColDependentsEx(hwndTree, index, 0, fAscending ? SortCallbackExAscending : SortCallbackExDescending);
    // now visit all dependents and sort each dependent's child items.
    if (index < 0)
        parentIndex = 0;
    else
        parentIndex = SftTree_GetDependent(hwndTree, index, SFTTREE_DEPENDENT_FIRST);// start with first item
    for ( ; parentIndex >= 0 ; parentIndex = SftTree_GetSibling(hwndTree, parentIndex, SFTTREE_SIBLING_NEXT)) {
        SortItems(hwndTree, parentIndex, fAscending);
    }
}

static void SetSortDirection(HWND hwndTree, BOOL fAscending)
{
    ShowSortDirection(hwndTree, fAscending);
    SortItems(hwndTree, -1, fAscending);

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C++

    // sort this item's dependents
    m_Tree.SortDependents(index, 0, fAscending ? SortCallbackExAscending : SortCallbackExDescending);
    // now visit all dependents and sort each dependent's child items.
    if (index < 0)
        parentIndex = 0;
    else
        parentIndex = m_Tree.GetDependent(index, SFTTREE_DEPENDENT_FIRST);// start with first item
    for ( ; parentIndex >= 0 ; parentIndex = m_Tree.GetSibling(parentIndex, SFTTREE_SIBLING_NEXT)) {
        SortItems(parentIndex, fAscending);
    }
}

void CSampleView::SetSortDirection(BOOL fAscending)
{
    ShowSortDirection(fAscending);
    SortItems(-1, fAscending);

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