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//! [0]

Q3PtrDict<char> fields; // void* keys, char* values

QLineEdit *le1 = new QLineEdit( this );

le1->setText( "Simpson" );

QLineEdit *le2 = new QLineEdit( this );

le2->setText( "Homer" );

QLineEdit *le3 = new QLineEdit( this );

le3->setText( "45" );

fields.insert( le1, "Surname" );

fields.insert( le2, "Forename" );

fields.insert( le3, "Age" );

Q3PtrDictIterator<char> it( fields );

for( ; it.current(); ++it )

    cout << it.current() << endl;

cout << endl;

if ( fields[le1] ) // Prints "Surname: Simpson"

    cout << fields[le1] << ": " << le1->text() << endl; 

if ( fields[le2] ) // Prints "Forename: Homer"

    cout << fields[le2] << ": " << le2->text() << endl; 

fields.remove( le1 ); // Removes le1 from the dictionary

cout << le1->text() << endl; // Prints "Simpson"

//! [0]

//! [1]

Q3PtrDict<ItemType> dict;

    ...

if ( dict.find( key ) )

    dict.remove( key );

dict.insert( key, item );

//! [1]

//! [2]

Q3PtrDict<char> fields;

QLineEdit *le1 = new QLineEdit( this );

le1->setText( "Simpson" );

QLineEdit *le2 = new QLineEdit( this );

le2->setText( "Homer" );

QLineEdit *le3 = new QLineEdit( this );

le3->setText( "45" );

fields.insert( le1, "Surname" );

fields.insert( le2, "Forename" );

fields.insert( le3, "Age" );

Q3PtrDictIterator<char> it( fields );

for( ; it.current(); ++it ) {

    QLineEdit *le = (QLineEdit)it.currentKey();

    cout << it.current() << ": " << le->text() << endl;

}

cout << endl;

// Output (random order):

//  Forename: Homer

//  Age: 45

//  Surname: Simpson

//! [2]