Creates a new `GtkTreeViewColumn` and inserts it into the this at position
.
If position
is -1, then the newly created column is inserted at the end. The column is initialized with the attributes
given. If this has “fixed_height” mode enabled, then the new column will have its sizing property
set to be GTK_TREE_VIEW_COLUMN_FIXED.
this |
A `GtkTreeView` |
position |
The position to insert the new column in |
title |
The title to set the header to |
cell |
The `GtkCellRenderer` |
... |
A null-terminated list of attributes |
The number of columns in this after insertion. |