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如何:宣告及使用內部指標和 Managed 陣列 (C++/CLI)

下列 C++/CLI 範例將示範如何宣告及使用指向陣列的內部指標。

重要

/clr 編譯器選項支援這項語言功能,/ZW 編譯器選項則不支援。

範例

程式碼

// interior_ptr_arrays.cpp
// compile with: /clr
#define SIZE 10

int main() {
   // declare the array
   array<int>^ arr = gcnew array<int>(SIZE);

   // initialize the array
   for (int i = 0 ; i < SIZE ; i++)
      arr[i] = i + 1;

   // create an interior pointer into the array
   interior_ptr<int> ipi = &arr[0];

   System::Console::WriteLine("1st element in arr holds: {0}", arr[0]);
   System::Console::WriteLine("ipi points to memory address whose value is: {0}", *ipi);

   ipi++;
   System::Console::WriteLine("after incrementing ipi, it points to memory address whose value is: {0}", *ipi);
}
1st element in arr holds: 1
ipi points to memory address whose value is: 1
after incrementing ipi, it points to memory address whose value is: 2

另請參閱

interior_ptr (C++/CLI)