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 gtk_icon_view_set_text_column().
A column in the currently used model, or -1 to display no text
2.6
See Implementation
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 gtk_icon_view_set_text_column().