The count of fully visible nodes in the tree view. This number may be greater than the number of nodes in the control. The control calculates this value by dividing the height of the client window by the height of an item
[Visual Basic] Public ReadOnly Property VisibleCount As Integer [C#] public int VisibleCount {get;} [C++] public: __property int get_VisibleCount(); [JScript] public function get VisibleCount() : int;
TreeView Class | TreeView Members | System.WinForms Namespace