C / C++ / MFC

void CTestDlg::OnDeltaposSpinTest(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
	// TODO: Add your control notification handler code here
	if (pNMUpDown->iDelta == 1)
	{
	//	num = num + resolution;
			//flag_value=1;
			m_strvalue--;
		UpdateData(FALSE);
	}
	else
	{
	//	num = num - resolution;
			//flag_value=0;
			m_strvalue++;
	UpdateData(FALSE);
	}

	*pResult = 0;
}


void CTestDlg::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	m_strvalue--;
		UpdateData(FALSE);
	CDialog::OnKeyUp(nChar, nRepCnt, nFlags);
}

void CTestDlg::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
		m_strvalue++;
	UpdateData(FALSE);
	CDialog::OnKeyDown(nChar, nRepCnt, nFlags);
}

void CTestDlg::OnButtonUp() 
{
	// TODO: Add your control notification handler code here

    UpdateData(TRUE);
	m_strvalue++; // edit box member function incrementing
	UpdateData(FALSE);


}

void CTestDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
  	if(flag_value==1)
	{
	       	m_strvalue++;
		UpdateData(FALSE);
	
	}
	}

void CTestDlg::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	flag_value=0;
	CDialog::OnLButtonUp(nFlags, point);
}

void CTestDlg::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	flag_value=1;
	CDialog::OnLButtonDown(nFlags, point);
}

if (chr[i] == 'u'){
       count++;
}
else{
       cout<<chr[i];
}
cout<<"\nIt has "<<strlen(chr) - count<<" characters.";