Hello
I have treeview with two levels of tree, i want allow user reorder items
with Drag and Drop. I set reorderable property to true, and it works. But i
want to user can drag and drop only second level items, and can't drag first
level items.
I found that i can use RowDraggable and RowDropPossible method for it. I try
override these methods:
class ImageTreeStore : Gtk.TreeStore, TreeDragSourceImplementor,
TreeDragDestImplementor
{
public ImageTreeStore(params Type[] types) : base (types)
{
}
public new bool RowDraggable (TreePath path)
{
return path.Depth == 2;
}
public new bool RowDropPossible(TreePath path, SelectionData
sel)
{
return path.Depth == 2;
}
public new bool DragDataGet(TreePath path, SelectionData sel)
{
return true;
}
}
If i didn't override DragDataGet too, application fail.
But reordering by DND don't works. I can't found any examples or manuals how
use RowDraggable with standard reorder function of treeview. Please help
understand how use it or give me link on code that use it.
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