{

m_trackbarSize.x = 143;

m_trackbarSize.y = 30;

m_trackbarTextSize = 12;

m_trackbarMargin = 5;

const UINT minValue, const UINT maxValue, const UINT startValue)

{

const UINT count = (UINT)m_items.size();

const UINT width = m_trackbarSize.x;

const UINT height = m_trackbarSize.y;

const UINT x = m_trackbarMargin;

UINT y = count * (height + m_trackbarMargin + m_trackbarTextSize) + m_trackbarMargin;

const UINT id = m_itemIDStart + count;

HWND hText = CreateWindow("STATIC", name.c_str(), WS_VISIBLE | WS_CHILD,

x, y, width, m_trackbarTextSize,

m_hWnd, NULL, m_hInstance, NULL);

HFONT hFont = CreateFont(m_trackbarTextSize, 0, 0, 0, FW_MEDIUM, FALSE, FALSE, FALSE,

ANSI_CHARSET, OUT_TT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,

DEFAULT_PITCH | FF_DONTCARE, "Tahoma");

SendMessage(hText, WM_SETFONT, (WPARAM)hFont, TRUE);

y += m_trackbarTextSize;

HWND hTrackbar = CreateWindow(TRACKBAR_CLASS, NULL, WS_CHILD | WS_VISIBLE | TBS_TOOLTIPS,

x, y, width, height, m_hWnd, (HMENU)id, m_hInstance, NULL);

SendMessage(hTrackbar, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(minValue, maxValue));

SendMessage(hTrackbar, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)startValue);

m_items.push_back(EventElement(name, eventReceiver));

m_clientHeight += height + m_trackbarTextSize + m_trackbarMargin;

const POINT windowSize = getWindowSize();

const POINT windowPosition = getWindowPosition();

SetWindowPos(m_hWnd, HWND_TOP, windowPosition.x, windowPosition.y, windowSize.x, windowSize.y, NULL);

{

const int id = getItemID(itemName);

if (id != -1)

return (UINT)SendMessage(GetDlgItem(m_hWnd, id), TBM_GETPOS, NULL, NULL);

return 0;