The C1TileViewItem control (C1TileViewItem in Silverlight) consists of two parts: a header and a content area. The image below identifies the header and content area:

Any content that you add to the C1TileViewItem will be visible in the content area. You can add a caption bar title to the header area. The button in the upper right corner toggles between maximize and minimize states for the C1TileView control (C1TileView in Silverlight).