error C2664: cannot convert parameter 2 from 'class CDC *' to 'class CDC' ???

radjack

void CCalendarView :: OnUpdate (CView * pSender, LPARAM lHint, CObject * pHint)
{
CDC * pDC = GetDC ();
CDrawUI * pDraw = new CDrawUI;
RECT rect;
rect.left = START_X;
rect.top = START_Y;
rect.bottom = START_X + 100;
rect.right = START_Y + 50;
pDraw-> DrawRect (rect, pDC); // Error positioning here
}
error C2664: 'DrawRect': cannot convert parameter 2 from 'class CDC *' to 'class CDC'

void CDrawUI :: DrawRect (RECT rect, CDC * pDC)
{
CBrush pTitleBrush (TITLE_BKCLR);
CBrush * pOldBrush = pDC-> SelectObject (&pTitleBrush);
pDC-> Rectangle (&rect);

pDC-> SelectObject (pOldBrush);
ReleaseDC (pDC);
}

rsq666

CDC * pDC = GetDC ();
There is something wrong with this sentence.

爱德华德

What is the definition of DrawRect function of CDrawUI?

爱德华德

It should be that the declaration of the DrawRect function does not match the pDC type you gave, one is CDC * and the other is CDC