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50 
51 //! [0]
52 QAbstractItemModel *model = index.model();
53 //! [0]
54 
55 
56 //! [1]
57 QModelIndex index = model->index(row, column, ...);
58 //! [1]
59 
60 
61 //! [2]
62 QModelIndex indexA = model->index(0, 0, QModelIndex());
63 QModelIndex indexB = model->index(1, 1, QModelIndex());
64 QModelIndex indexC = model->index(2, 1, QModelIndex());
65 //! [2]
66 
67 
68 //! [3]
69 QModelIndex index = model->index(row, column, parent);
70 //! [3]
71 
72 
73 //! [4]
74 QModelIndex indexA = model->index(0, 0, QModelIndex());
75 QModelIndex indexC = model->index(2, 1, QModelIndex());
76 //! [4]
77 
78 
79 //! [5]
80 QModelIndex indexB = model->index(1, 0, indexA);
81 //! [5]
82 
83 
84 //! [6]
85 QVariant value = model->data(index, role);
86 //! [6]
87