Got an assert error "last < columnCount(parent)" when hidding the last column by using QSortFilterProxyModel,TreeModel(QAbstractItemModdel) and TreeView together in QML.

Hello,I got an assert error "last < columnCount(parent)" when hiding the last column by overriding the function filterAcceptColumn of QSortFilterProxyModel.

The impl of filterAcceptColumn below(Assuming there are two columns):

bool MyProxyModel::filterAcceptsColumn(int SourceColumn, const QModelIndex& SourceParent) const

This assert is reported in the function beginRemoveColumns of QSortFilterProxyModel.I checked my source tree model, and I am sure it is correct. This problem only appears when there is a parent-child relationship of data structure and column count is greater than 1.When using my source tree model with table structure data, it works right.

Even though I used the tree model of official sample program ("editabletreemodel") in TreeView, proxy model still appears assert error "last < columnCount(parent)" when hiding the last column. It works right in QTreeView but TreeView.

 I thought this bug is most likely comes from the TreeView.

Thanks for watching.