void CTestDlg::OnBnClickedBtnAdd()
{
// TODO: 在此添加控件通知處理程序代碼
/*
if(m_blsCreate == FALSE)
{
m_btn.Create(_T("Huyvanpull"),BS_DEFPUSHBUTTON | WS_VISIBLE | WS_CHILD,
CRect(0,0,100,100),this,123);
m_blsCreate=TRUE;
}
else
{
m_btn.DestroyWindow();
m_blsCreate=FALSE;
}
*/

/*
int num1, num2, num3;
char ch1[10],ch2[10],ch3[10];

GetDlgItem(IDC_EDIT1)->GetWindowText((LPTSTR)(LPCTSTR)ch1,10);
GetDlgItem(IDC_EDIT2)->GetWindowText((LPTSTR)(LPCTSTR)ch2,10);

num1=atoi(ch1);
num2=atoi(ch2);
num3=num1+num2;
itoa(num3,ch3,10);
GetDlgItem(IDC_EDIT3)->SetWindowText((LPTSTR)(LPCTSTR)ch3);
*/

/*
int num1, num2, num3;
char ch1[10],ch2[10],ch3[10];

GetDlgItemText(IDC_EDIT1,(LPTSTR)(LPCTSTR)ch1,10);
GetDlgItemText(IDC_EDIT2,(LPTSTR)(LPCTSTR)ch2,10);
num1=atoi(ch1);
num2=atoi(ch2);
num3=num1+num2;
itoa(num3,ch3,10);
SetDlgItemText(IDC_EDIT3,(LPTSTR)(LPCTSTR)ch3);
*/

/*
int num1, num2, num3;
num1=GetDlgItemInt(IDC_EDIT1);
num2=GetDlgItemInt(IDC_EDIT2);
num3=num1+num2;
SetDlgItemInt(IDC_EDIT3,num3);
*/

/*
//默認(rèn)為真,指示數(shù)據(jù)正在被獲取
UpdateData();
m_num3=m_num1+m_num2;
//設(shè)置成假,指示數(shù)據(jù)正在被初始化
UpdateData(FALSE);
*/

/*
int num1=0, num2=0, num3=0;
TCHAR ch1[10],ch2[10],ch3[10];

m_edit1.GetWindowText(ch1,10);
m_edit2.GetWindowText(ch2,10);
num1=_ttoi(ch1);
num2=_ttoi(ch2);
num3=num1+num2;
_itot(num3,ch3,10);

//CString h;
//int a=_ttoi(h);
//CString h;
// h.Format(_T("%d"),num3);
m_edit3.SetWindowText(ch3);
*/

//GetDlgItem(IDC_EDIT1)->SendMessage(WM_GETTEXT,10,(LPARAM)ch1);
/*
int num1=0, num2=0, num3=0;
TCHAR ch1[10],ch2[10],ch3[10];
m_edit1.SendMessage(WM_GETTEXT,10,(LPARAM)ch1);
m_edit2.SendMessage(WM_GETTEXT,10,(LPARAM)ch2);

num1=_ttoi(ch1);
num2=_ttoi(ch2);
num3=num1+num2;
_itot(num3,ch3,10);

m_edit3.SendMessage(WM_SETTEXT,10,(LPARAM)ch3);
*/
int num1=0, num2=0, num3=0;
TCHAR ch1[10],ch2[10],ch3[10];
SendDlgItemMessage(IDC_EDIT1,WM_GETTEXT,10,(LPARAM)ch1);
SendDlgItemMessage(IDC_EDIT2,WM_GETTEXT,10,(LPARAM)ch2);

num1=_ttoi(ch1);
num2=_ttoi(ch2);
num3=num1+num2;
_itot(num3,ch3,10);

SendDlgItemMessage(IDC_EDIT3,WM_SETTEXT,10,(LPARAM)ch3);
}







































































































