set_show_content
Description:
Sets which page is visible when this is collapsed.
If set to `TRUE`, the content widget will be the visible page when [property@NavigationSplitView:collapsed] is `TRUE`; otherwise the sidebar widget will be visible.
If the split view is already collapsed, the visible page changes immediately.
Parameters:
| this |
a navigation split view |
| show_content |
whether to show content when collapsed |