Property TopItem
TopItem
Gets or sets the first fully-visible tree item in the tree view control.
TreeViewItem? TopItem { get; }Property Value
- TreeViewItem
- A TreeViewItem that represents the first fully-visible tree item in the tree view control. 
Gets or sets the first fully-visible tree item in the tree view control.
TreeViewItem? TopItem { get; }A TreeViewItem that represents the first fully-visible tree item in the tree view control.