C / C++ / MFC

bool is_comma(char c)
{
    return c == ',';
}

std::string s = "1,2,3,4";

int count = std::count_if(s.begin(), s.end(), is_comma);

#include <algorithm>
using namespace std;
bool is_comma(TCHAR c)
{
  return c==_T(',');
}

LPCTSTR beg = (LPCTSTR) str;
LPCTSTR end = beg + str.GetLength();
int result = count_if(beg, end, is_comma);

CString str = _T("Sample(10,20,30,40,50)");

int start = -1;
int count = 0;
while ( (start = str.Find(_T(','), start + 1)) != -1)
  count++;

raju_shiva wrote:

i.e For ex: CString str = Sample("10,20,30,40,50");

I want to get the "," character count i.e 5

Le@rner wrote:

its not display the OnPaint graphics in image.

void CDlgTestDlg::OnPrint(CDC *pDC, CPrintInfo* pInfo)
{
	// Get the bitmap of our dialog 
	HBITMAP hWndBmp = GetWndBmp(GetSafeHwnd());

	RECT rect;
	GetWindowRect(&rect);
	int nWidth = rect.right - rect.left;
	int nHeight = rect.bottom - rect.top;
	
	CDC dcSrc;
	dcSrc.CreateCompatibleDC(NULL);
	const int nRestorePoint = dcSrc.SaveDC();
	dcSrc.SelectObject(hWndBmp);

	// !!!! You can draw here using dcSrc, 
        // this way you draw directly on the bitmap of the dialog !!!!

	// Blit the bitmap on the printer DC, you could also use StrechBlt
	pDC->BitBlt(0, 0, nWidth, nHeight, &dcSrc, 0, 0, SRCCOPY);

	dcSrc.RestoreDC(nRestorePoint);
	dcSrc.DeleteDC();
	DeleteObject(hWndBmp);
}

void CDlgTestDlg::OnPrint(CDC *pDC, CPrintInfo* pInfo)
{
	// Get the bitmap of our dialog 
	HBITMAP hWndBmp = GetWndBmp(GetSafeHwnd());

	RECT rect;
	GetWindowRect(&rect);
	int nWidth = rect.right - rect.left;
	int nHeight = rect.bottom - rect.top;
	
	CDC dcSrc;
	dcSrc.CreateCompatibleDC(NULL);
	const int nRestorePoint = dcSrc.SaveDC();
	dcSrc.SelectObject(hWndBmp);

	// Preparation before paint:
        CRect rcClient, rcWindow;
	GetWindowRect(rcWindow);
	GetClientRect(rcClient);

	CRect rcClientMoved(rcClient);
	rcClientMoved.MoveToXY((rcWindow.Width() - rcClient.Width()) / 2, 
		               (rcWindow.Height() - rcClient.Height() - GetSystemMetrics(SM_CYBORDER)));
	
	CPoint ptViewPortOrg = dcSrc.GetViewportOrg();
	dcSrc.SetViewportOrg(rcClientMoved.TopLeft());

        // !!! Paint here !!!!

        // Restore the old viewport
        dcSrc.SetViewportOrg(ptViewPortOrg);

	// Blit the bitmap on the printer DC, you could also use StrechBlt
	pDC->BitBlt(0, 0, nWidth, nHeight, &dcSrc, 0, 0, SRCCOPY);

	dcSrc.RestoreDC(nRestorePoint);
	dcSrc.DeleteDC();
	DeleteObject(hWndBmp);
}