CString的用法

来源：年旅网

Find
CString s( "abcdef" );
ASSERT( s.Find( 'c' ) == 2 );
ASSERT( s.Find( "de" ) == 3 );
// Second example demonstrating
// CString::Find( TCHAR ch, int nStart )
CString str("The stars are aligned");
int n = str.Find('e', 5);
ASSERT(n == 12);

找不到会返回-1。

Insert

CString str("HockeyBest");
int n = str.Insert(6, " is ");
结果为：Hockey is Best

Left
CString s( _T("abcdef") );
ASSERT( s.Left(2) == _T("ab") );

Mid
CString s( _T("abcdef") );
ASSERT( s.Mid( 2, 3 ) == _T("cde") );

ASSERT( s.Mid( 2 ) == _T("cdef") );

Right
CString s( _T("abcdef") );
ASSERT( s.Right(2) == _T("ef") );

Replace
CString strZap("C--");
int n = strZap.Replace('-', '+');
ASSERT(n == 2);
ASSERT(strZap == "C++");

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