Image Uploader has three different-looking layouts that determine its appearance. To specify, which of them should be used, set the PaneLayout property.
One Pane Layout
Consists of the upload list with drag-and-drop support. This list allows specifying one of the five view modes. Click the screenshot to read more about this layout.
Two Panes Layout
Consists of the folder tree and the folder content list. The folder content list allows specifying one of the four view modes. Click the screenshot to read more about this layout.
Three Panes Layout
Consists of the folder tree, the folder content list, and the upload list with drag-and-drop support. The folder content list and the upload list allow specifying one of the view modes. Click the screenshot to read more about this layout.