CObArray::GetAt

Returns the array element at the specified index.

CObject* GetAt(
   INT_PTR nIndex 
) const;

Parameters

nIndex
An integer index that is greater than or equal to 0 and less than or equal to the value returned by GetUpperBound.

The CObject pointer element currently at this index.

注意

Passing a negative value or a value greater than the value returned by GetUpperBound will result in a failed assertion.

The following table shows other member functions that are similar to CObArray::GetAt.

Class	Member Function
CByteArray	BYTE GetAt( INT_PTR nIndex ) const;
CDWordArray	DWORD GetAt( INT_PTR nIndex ) const;
CPtrArray	*void GetAt( INT_PTR nIndex ) const;**
CStringArray	CString GetAt( INT_PTR nIndex ) const;
CUIntArray	UINT GetAt( INT_PTR nIndex ) const;
CWordArray	WORD GetAt( INT_PTR nIndex ) const;

See CObList::CObList for a listing of the CAge class used in all collection examples.

CObArray arr;

arr.Add(new CAge(21)); // Element 0
arr.Add(new CAge(40)); // Element 1
ASSERT(*(CAge*) arr.GetAt(0) == CAge(21));

Header: afxcoll.h