以下成员源于类 QModelIndex 已过时。 提供它们是为使旧源代码能继续工作。强烈建议不要在新代码中使用它们。
(obsolete)
QModelIndex
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child (int row , int column ) const |
使用 QAbstractItemModel::index () 代替。
Returns the child of the model index that is stored in the given row and column .
注意: This function does not work for an invalid model index which is often used as the root index.