- RibbonGalleryCategoriesPanel - RibbonGalleryCategoriesPanel() 
- CanHorizontallyScroll 
- CanVerticallyScroll 
- ExtentHeight 
- ExtentWidth 
- HorizontalOffset 
- ScrollOwner 
- TargetElement 
- VerticalOffset 
- ViewportHeight 
- ViewportWidth 
- ArrangeOverride(Size) 
- LineDown() 
- LineLeft() 
- LineRight() 
- LineUp() 
- MakeVisible(Visual, Rect) 
- MeasureOverride(Size) 
- MouseWheelDown() 
- MouseWheelLeft() 
- MouseWheelRight() 
- MouseWheelUp() 
- OnInitializeLayout() 
- PageDown() 
- PageLeft() 
- PageRight() 
- PageUp() 
- SetHorizontalOffset(Double) 
- SetVerticalOffset(Double) 
 
net9.0-windows10.0.22621
    namespace System.Windows.Controls.Ribbon.Primitives
{
    public class RibbonGalleryCategoriesPanel : Panel, IScrollInfo, IProvideStarLayoutInfoBase
    {
        public void PageRight();
    }
}
            | .NET | 5.06.07.08.09.0 | 
|---|---|
| .NET Core | 3.03.1 | 
| .NET Framework | 4.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1 | 
| Information specific to net9.0 | |
| Platforms | This API is only available when you target a specific platform: | 
| Windows | 7.08.010.0.1776310.0.1836210.0.1904110.0.2034810.0.2200010.0.22621 | 
| Information specific to net9.0-windows10.0.22621 | |
| Assembly | System.Windows.Controls.Ribbon , Version=9.0.0.0, PublicKeyToken=b77a5c561934e089 | 
| Referencing | Your project needs to set  | 
| Platform Restrictions | This API is only supported on the following platforms: 
 | 
- Built-in API
- Package-provided API