C / C++ / MFC

void CMyDialog::OnClick( UINT uId, LPNMHDR, LRESULT * )
{
    CDateTimeCtrl *pDateTimeCtrl;
    CMonthCalCtrl *pMonthCalCtrl;
 
    pDateTimeCtrl = (CDateTimeCtrl *) GetDlgItem(uId);
 
    pMonthCalCtrl = pDateTimeCtrl->GetMonthCalCtrl();
    pMonthCalCtrl->ModifyStyle(0, MCS_DAYSTATE);
    ...
}

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

CMonthCalCtrl* pCtrl = (CMonthCalCtrl*) GetMonthCalCtrl();<br />
ASSERT(pCtrl != NULL);<br />
pCtrl->ModifyStyle(0, MCS_DAYSTATE);<br />
SYSTEMTIME timeFrom;<br />
SYSTEMTIME timeUntil;<br />
int nCount = pCtrl->GetMonthRange(&timeFrom, &timeUntil, GMR_DAYSTATE);<br />
LPMONTHDAYSTATE pDayState;<br />
pDayState = new MONTHDAYSTATE[nCount];<br />
memset(pDayState, 0, sizeof(MONTHDAYSTATE) * nCount);<br />
int nIndex = (timeFrom.wDay == 1) ? 0 : 1;<br />
pDayState[nIndex] |= BIT4;<br />
pDayState[nIndex] |= BIT19;<br />
pDayState[nIndex] |= BIT25; <br />
pCtrl->SetDayState(nCount, pDayState);<br />
delete [] pDayState;

// Get handle to MonthCalendar control
HWND hwndDP = pCalCtrl->GetSafeHwnd();
ASSERT (hwndDP != NULL);
HWND hwndMC = DateTime_GetMonthCal (hwndDP);
ASSERT (hwndMC != NULL);
CWnd* pMCCtrl = CWnd::FromHandle (hwndMC);
ASSERT (pMCCtrl != NULL);

// Set its style
DWORD dwStyle = pMCCtrl->GetStyle();
dwStyle |= MCS_DAYSTATE;
pMCCtrl->SetStyle (dwStyle);

pMCCtrl->SetStyle (dwStyle);

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