C / C++ / MFC

<br />
    POINT startPT;<br />
    GetItemPosition(m_nDragIndex, &startPT);<br />
<br />
    POINT endPT;<br />
    for (int i = 0; i < GetItemCount(); i++)<br />
    {<br />
        if (i == m_nDragIndex) continue;<br />
<br />
        GetItemPosition(i, &endPT);<br />
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        // do sorting algo (currently incomplete)<br />
        if (endPT.x > m_ptDropPoint.x)<br />
        {<br />
            m_nDropIndex = i;<br />
            if (startPT.x < m_ptDropPoint.x) m_nDropIndex--;<br />
<br />
            break;<br />
        }<br />
    }<br />
<br />
    // Get information on the dragged item by setting an LV_ITEM structure and then calling GetItem to fill it in<br />
    char szLabel[256];<br />
    LVITEM lvi;<br />
    ZeroMemory(&lvi, sizeof(LV_ITEM));<br />
    lvi.mask       = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE | LVIF_PARAM;<br />
    lvi.stateMask  = LVIS_DROPHILITED | LVIS_FOCUSED | LVIS_SELECTED;<br />
    lvi.pszText    = (LPWSTR)szLabel;<br />
    lvi.iItem      = m_nDragIndex;<br />
    lvi.cchTextMax = 255;<br />
    GetItem(&lvi);<br />
<br />
    // Insert the dropped item<br />
    if (m_nDropIndex < 0)<br />
        m_nDropIndex = GetItemCount();<br />
<br />
    lvi.iItem = m_nDropIndex;<br />
    InsertItem(&lvi);<br />
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    // Index of dragged item will change if item is dropped above itself<br />
    if (m_nDragIndex > m_nDropIndex)<br />
        m_nDragIndex++;<br />
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    // Copy item data pointer<br />
    SetItemData(m_nDropIndex, GetItemData(m_nDragIndex));<br />
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    // Delete the item that was dragged from its original location<br />
    DeleteItem(m_nDragIndex);<br />