#179 – Panel Controls Contain UIElement Children

Elements that act as containers for multiple controls are known as panels, inheriting from Panel.  A panel can contain one or more children, each deriving from UIElement.

Some examples of classes deriving from Panel include:

• Canvas
• DockPanel
• Grid
• TabPanel
• UniformGrid
• StackPanel
• DataGridCellsPanel
• VirtualizingStackPanel
• WrapPanel

Any object that inherits from UIElement, directly or indirectly, can be hosted in a panel.

Examples of objects that can be hosted in a panel include (indentation indicates inheritance):

• A ContentPresenter
• Subclasses of Control
  • Calendar
  • Subclasses of ContentControl
    • Label
    • ListBoxItem
    • Subclasses of ButtonBase
      • Button
      • RepeatButton
      • ToggleButton
    • ScrollViewer
    • UserControl
  • DatePicker
  • Subclasses of ItemsControl
    • Subclasses of HeaderedItemsControl
      • MenuItem
      • Toolbar
    • Subclasses of MenuBase
      • ContextMenu
      • Menu
    • Subclasses of Selector
      • ComboBox
      • ListBox
      • Subclasses of MultiSelector
        • DataGrid
      • TabControl
    • StatusBar
    • TreeView
  • PasswordBox
  • Subclasses of RangeBase
    • ScrollBar
    • ProgressBar
    • Slider
  • Subclasses of TextBoxBase
    • RichTextBox
    • TextBox
  • Separator
• Image
• InkCanvas
• An ItemsPresenter
• MediaElement
• Page
• Another Panel
• TextBlock
• Viewport3D
• Subclasses of Shape
  • Ellipse
  • Line
  • Path
  • Polygon
  • Polyline
  • Rectangle