Câu trả lời là rằng nó không thể đoán trước. Trong thực tế, đối với một số nguyên đơn giản, điều này không phải là một vấn đề. Đối với cấu trúc dữ liệu lớn hơn, nó có thể là một vấn đề nghiêm trọng. Một cách để tránh điều này không thể tiên đoán là việc sử dụng các phần quan trọng. | Passing Data Between Excel and the DLL 149 cpp_xloper const xl4_array array cpp_xloper const xl12_array array cpp_xloper const cpp_xloper source Copy constructor ---------------------------------------------------------------------- destructor ---------------------------------------------------------------------- cpp_xloper ---------------------------------------------------------------------- Overloaded operators ---------------------------------------------------------------------- cpp_xloper operator const cpp_xloper source int operator int xltypeInt bool operator bool b xltypeBool double operator double xltypeNum WORD operator WORD e xltypeErr const char operator const char xltypeStr const wchar_t operator const wchar_t xltypeStr const xloper operator const xloper same type as arg const xloper12 operator const xloper12 same type as arg const VARIANT operator const VARIANT same type as arg const xl4_array operator const xl4_array array const xl12_array operator const xl12_array array bool operator int w bool operator bool b bool operator double d bool operator WORD e bool operator const char text bool operator const wchar_t text bool operator const xloper bool operator const xloper12 bool operator const cpp_xloper cpp_op2 bool operator int w return operator w bool operator bool b return operator b bool operator double d return operator d bool operator WORD e return operator e bool operator const char text return operator text bool operator const wchar_t text return operator text bool operator const xloper p_op return operator p_op bool operator const xloper12 p_op return operator p_op bool operator const cpp_xloper cpp_op2 return operator cpp_op2 operator int void const operator bool void const operator double void const operator xloper void get a shallow copy operator xloper12 void get a shallow copy void operator double coersion to double and addition void operator int w operator double w void operator- double d operator -d void operator- int w operator double
