TreeView.getVisibleRange
bool getVisibleRange(out gtk.tree_path.TreePath startPath, out gtk.tree_path.TreePath endPath)Sets start_path and end_path to be the first and last visible path. Note that there may be invisible paths in between.
The paths should be freed with [gtk.tree_path.TreePath.free] after use.
Parameters
startPath | Return location for start of region, or null. |
endPath | Return location for end of region, or null. |
Returns
true, if valid paths were placed in start_path and end_path.