Partager via

CMapStringToString::PLookup

  • Article

Looks up the value mapped to a given key.

const CPair* PLookup(
   LPCTSTR key
) const;
CPair* PLookup(
   LPCTSTR key
);

Parameters

  • key
    A pointer to the key for the element to be searched for.

Return Value

A pointer to the specified key.

Remarks

Call this method to search for a map element with a key that exactly matches the given key.

Example

CMapStringToString myMap;
CString myStr[4]={_T("One"), _T("Two"), _T("Three"), _T("Four")};

myMap.InitHashTable(257);

// Add 4 elements to the map.
myMap.SetAt(myStr[0], _T("Odd"));
myMap.SetAt(myStr[1], _T("Even"));
myMap.SetAt(myStr[2], _T("Odd"));
myMap.SetAt(myStr[3], _T("Even"));

// Print the element values with odd key values.
CMapStringToString::CPair *pCurVal;

for (int i = 0; i < 4 ; i += 2)
{
   pCurVal = myMap.PLookup(myStr[i]);
      _tprintf_s(_T("Current key value at %s: %s\n"), 
   pCurVal->key, pCurVal->value);
}

Requirements

Header: afxcoll.h

See Also

Reference

CMapStringToString Class

Hierarchy Chart

CMapStringToString::PGetNextAssoc

CMapStringToString::PGetFirstAssoc