Gets or sets the image displayed within the group in the minimized state. This is a dependency property.
An ImageSource object that represents the image displayed within the group in the minimized state.
When the RibbonControl's width is reduced, specific groups are automatically collapsed. The Glyph property specifies the image displayed within the group, when it's collapsed.
Control images can be automatically substituted for other images based on the app context (the system DPI setting, the application UI culture, paint theme and touch mode availability). See the following topic to learn more: Automatically Choosing Images Based on App Context.