property Thumbnail.Mode as ThumbnailModeEnum
Specifies how thumbnails are arranged on the control's client area.

TypeDescription
ThumbnailModeEnum A ThumbnailModeEnum expression that specifies the mode the thumbnails are arranged on the control.
By default, the Mode property is exThumbnailGrid | exThumbnailAutoFit | exThumbnailStretch | exThumbnailCenter | exThumbnailAllowResize | exThumbnailAutoFitOnDblClk | exThumbnailKeepAspectRatio. The Mode property specifies how thumbnails are arranged on the control's client area. The Sort method sorts files being displayed in the control.

The following screen shot shows the exThumbnailGrid mode:

The following screen shot shows the exThumbnailStack mode: