IsEmpty
Test a string object for the empty condition, check whether the string object contains any characters or not.
BOOL IsEmpty( )
Return TRUE if the string object has no character; otherwise FALSE.
EX1
void string_ISEmpty_Ex1() { string str; BOOL bRet = str.IsEmpty(); out_int("", bRet);//1 str = "12345"; bRet = str.IsEmpty(); out_int("", bRet);//0 }
string::GetLength, string::Empty
origin.h