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System.Object
C1.WPF.Grid.GridRowCol
C1.WPF.Grid.GridColumn
C1.WPF.Grid.GridDateTimeColumn
C1.WPF.Grid.GridHyperlinkColumn
C1.WPF.Grid.GridImageColumn
C1.WPF.Grid.GridNumericColumn
C1.WPF.Grid.GridRowHeaderColumn