circctl.partial.cpp

/////////////////////////////////////////////////////////////////////////////
// Dispatch map

BEGIN_DISPATCH_MAP(CCircCtrl, COleControl)
  //{{AFX_DISPATCH_MAP(CCircCtrl)
	DISP_PROPERTY_NOTIFY(CCircCtrl, "CircleShape", m_circleShape, OnCircleShapeChanged, VT_BOOL)
	DISP_PROPERTY_NOTIFY(CCircCtrl, "FlashColor", m_flashColor, OnFlashColorChanged, VT_COLOR)
	DISP_PROPERTY_EX(CCircCtrl, "CircleOffset", GetCircleOffset, SetCircleOffset, VT_I2)
	DISP_PROPERTY_EX(CCircCtrl, "Note", GetNote, SetNote, VT_BSTR)
	DISP_STOCKPROP_BACKCOLOR()
	DISP_STOCKPROP_CAPTION()
	DISP_STOCKPROP_FONT()
	DISP_STOCKPROP_FORECOLOR()
	//}}AFX_DISPATCH_MAP
	DISP_FUNCTION_ID(CCircCtrl, "AboutBox", DISPID_ABOUTBOX, AboutBox, VT_EMPTY, VTS_NONE)
END_DISPATCH_MAP()

circctl.partial2.cpp

/////////////////////////////////////////////////////////////////////////////
// CCircCtrl::OnDraw - Drawing function

void CCircCtrl::OnDraw(
  		CDC* pdc, const CRect& rcBounds, const CRect&)
{
	CBrush* pOldBrush;
	CBrush bkBrush(TranslateColor(GetBackColor()));
	CPen* pOldPen;
	CRect rc = rcBounds;
	CFont* pOldFont;
	TEXTMETRIC tm;
	const CString& strCaption = InternalGetText();

	// Set the ForeColor property color and transparent background mode into the device context
	pdc->SetTextColor(TranslateColor(GetForeColor()));
	pdc->SetBkMode(TRANSPARENT);

	// Paint the background using the BackColor property
	pdc->FillRect(rcBounds, &bkBrush);

	// Draw the ellipse using the BackColor property and a black pen
	GetDrawRect(&rc);
	pOldBrush = pdc->SelectObject(&bkBrush);
	pOldPen = (CPen*)pdc->SelectStockObject(BLACK_PEN);
	pdc->Ellipse(rc);

	// Draw the caption and note using the stock Font and ForeColor properties
	pOldFont = SelectStockFont(pdc);
	GetStockTextMetrics(&tm);

	pdc->SetTextAlign(TA_CENTER | TA_TOP);
	pdc->ExtTextOut((rc.left + rc.right) / 2, (rc.top + rc.bottom - tm.tmHeight) / 2,
		ETO_CLIPPED, rc, strCaption, strCaption.GetLength(), NULL);
	pdc->SetTextAlign(TA_LEFT | TA_TOP);
	pdc->ExtTextOut(rcBounds.left, rcBounds.top,
		ETO_CLIPPED, rcBounds, m_note, m_note.GetLength(), NULL);
	pdc->SelectObject(pOldFont);

	pdc->SelectObject(pOldPen);
	pdc->SelectObject(pOldBrush);
}