constants ThumbnailSortEnum
The ThumbnailSortEnum type defines the ways the control can sort the files. You can use the Sort property to programmatically sort the files within the control. The ThumbnailSortEnum type supports the following values:

NameValueDescription
exThumbailUnsorted0 The files are being shown as they were loaded. No sort is performed.
exThumbailSortByFile1 The files are being arranged based on their full name.
exThumbailSortByName2 The files are being arranged based on their name.
exThumbailSortByType3 The files are being arranged based on their type.
exThumbailSortBySize4 The files are being arranged based on their size.
exThumbailSortByCreated5 The files are being arranged based on their creation date.
exThumbailSortByModified6 The files are being arranged based on their modified date.
exThumbailSortByOpened7 The files are being arranged based on their access date.
exThumbailSortByDimension8 The files are being arranged based on their dimensions. ( Applies to Picture files, slower )
exThumbailSortReverse256 This flag can be combined with any other not-zero flag to specify a reverse sort order.
exThumbailSortInsensitive512 The files are sort case insensitive. If the exThumbailSortInsensitive flag is missing the sort is case sensitive