CollapsingGroupPanel is a general purpose container control. It has a header, body and footer. CollapsingGroupPanel can be expanded or collapsed. When collapsed only the header, and optionally footer, are displayed. All the child controls are also hidden. CollapsingGroupPanel can collapse vertically or horizontally. CollapsingGroupPanel can be collapsed and expanded manually, automatically or the expand/collapse functionality can be disabled. CollapsingGroupPanel is an
The image below shows a CollapsingGroupPanel with all major visual items identified.

| Property | Description |
|---|---|
| BodyBorderPen | A collection of properties that define the pen used to draw a border around the body of the CollapsingGroupPanel. |
| BodyBrush | A collection of properties that define the brush used to fill the body of the CollapsingGroupPanel. |
| CollapseMode | This property specifies if the CollapsingGroupPanel expands or collapses manually, automatically or not at all. |
| FooterBorderPen | A collection of properties that define the pen used to draw a border around the footer of the CollapsingGroupPanel. |
| FooterBrush | A collection of properties that define the brush used to fill the body of the CollapsingGroupPanel. |
| FooterImage | The image drawn on the footer of the CollapsingGroupPanel. |
| FooterLineBrush | A collection of properties that define the brush used to fill a line above the CollapsingGroupPanel footer. |
| FooterText | The text displayed on the footer of the CollapsingGroupPanel. |
| HeaderBorderPen | A collection of properties that define the pen used to draw a border around the CollapsingGroupPanel header. |
| HeaderBrush | A collection of properties that define the brush used to fill the header of the CollapsingGroupPanel. |
| HeaderImage | The image drawn on the header of the CollapsingGroupPanel. |
| HeaderLineBrush | A collection of properties that define the brush used to fill a line below the CollapsingGroupPanel header. |
| HeaderText | The text displayed on the header of the CollapsingGroupPanel. |
| HighlightStyle | The style of the highlight used to indicate which child control has the input focus. |
| Watermark | The watermark displayed on the CollapsingGroupPanel. The WatermarkBounds |