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Derived classes include LayoutChangeNewPage, LayoutChangeNewColumn, LayoutChangeNewLine and LayoutChangeNoBreak.
System.Object
C1.C1Preview.LayoutChangeBase
C1.C1Preview.LayoutChangeNewColumn
C1.C1Preview.LayoutChangeNewLine
C1.C1Preview.LayoutChangeNewPage
C1.C1Preview.LayoutChangeNoBreak