C / C++ / MFC

void Test()
{
float x = 34.23231;
SetDataToSend ( (BYTE*) &x, sizeof(float) );
}

int CSlider1::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CToolBar::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here

	    if (!LoadToolBar (IDR_TOOLBAR1))
        return -1;
	// DC to select font into
	CClientDC dc(this);
	
	
	// CFont object used to set the desired control fonts


	// TEXTMETRIC is Useful to measure and place the controls
	// in the desired positions

	TEXTMETRIC tm;
	dc.GetTextMetrics(&tm);
	int cxChar = tm.tmAveCharWidth;
	int cyChar = tm.tmHeight + tm.tmExternalLeading;



    CRect rect;

	//################# Red set of spinners #################

	// Edit Red //

	SetButtonInfo (0, ID_SLIDER, TBBS_SEPARATOR, cxChar * 12);

//		SetButtonInfo (0, ID_SLIDER, TBBS_SEPARATOR, 2500);
	GetItemRect (0, &rect);
        rect.bottom = rect.top + (cyChar + 2);
//	rect.left=0;
//	rect.right = 2000;
	
	if (!m_Slider1.Create(WS_CHILD | WS_VISIBLE | WS_TABSTOP |// dwStyle
						TBS_HORZ | TBS_AUTOTICKS |
						//TBS_NOTICKS |
						TBS_BOTTOM,
						rect,					// rect
						this,		// CWnd* pParentWnd
						ID_SLIDER))		// UINT  nID
	
	return -1;


		SetButtonInfo (1, ID_SLIDER2, TBBS_SEPARATOR, cxChar * 12);

//		SetButtonInfo (0, ID_SLIDER, TBBS_SEPARATOR, 2500);
	       GetItemRect (1, &rect);
               rect.bottom = rect.top + (cyChar + 2);



		if (!m_Slider2.Create(WS_CHILD | WS_VISIBLE | WS_TABSTOP |// dwStyle
						TBS_HORZ | TBS_AUTOTICKS |
						//TBS_NOTICKS |
						TBS_BOTTOM,
						rect,					// rect
						this,		// CWnd* pParentWnd
						ID_SLIDER2))		// UINT  nID
	
	return -1;

	
	return 0;
}

BOOL CMainFrame::CreateSlider1()
{

	//##########################################//
	// Creation

	if (!m_wndSlider.CreateEx(this, TBSTYLE_FLAT , WS_CHILD | WS_VISIBLE | CBRS_BOTTOM
	| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_FIXED))

		return FALSE;

	m_wndSlider.LoadToolBar (IDR_TOOLBAR1);
	m_wndSlider.SetWindowText(_T("RGB Spinners: From 0 to 255  _&_ Slider 0 to 255"));
	m_wndSlider.EnableDocking (CBRS_ALIGN_TOP | CBRS_ALIGN_BOTTOM);
	DockControlBar(&m_wndSlider);
	
    return TRUE;

}

// C-runtime method (string.h + wchar.h)
// purpose : scan string for characters in strCharSet
wchar_t *wcspbrk(
   const wchar_t *string,
   const wchar_t *strCharSet 
);