Sets the column with markup information for icon_view to be column. The markup column must be of type G_TYPE_STRING If the markup column is set to something, it overrides the text column set by IconView.setTextColumn.
A column in the currently used model, or -1 to display no text
2.6
Sets the column with markup information for icon_view to be column. The markup column must be of type G_TYPE_STRING If the markup column is set to something, it overrides the text column set by IconView.setTextColumn.