UpdateData(TRUE); int n=strlen(m_strNumber); // n is length of editbox for(int i=0;i<n-1;i++) { m_strNumber[i+1]=m_strNumber[i]; // error : expression must be modifiable lvalue } UpdateData(FALSE);
m_strNumber
m_strNumber[n - 1] = '\0';
CString
m_strNumber = m_strNumber.Left(n - 1);
var
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