The sizing method the column uses to determine its width. Please note that GTK_TREE_VIEW_COLUMN_AUTOSIZE are inefficient for large views, and can make columns appear choppy.
GTK_TREE_VIEW_COLUMN_AUTOSIZE
Columns resize to be the optimal size everytime the model changes.
Columns are a fixed numbers of pixels wide.
Columns only get bigger in reaction to changes in the model
The sizing method the column uses to determine its width. Please note that
GTK_TREE_VIEW_COLUMN_AUTOSIZE
are inefficient for large views, and can make columns appear choppy.