source/csla10/CSLA/NotUndoableAttribute.vb

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+''' <summary>
+''' Allows us to mark fields that should not be copied as part of the undo process
+''' </summary>
+''' <remarks>
+''' Marking a variable with this attribute will cause the n-level
+''' undo process to ignore that variable's value. The value will
+''' not be included in a snapshot when BeginEdit is called, nor
+''' will it be restored when CancelEdit is called.
+''' </remarks>
+<AttributeUsage(AttributeTargets.Field)> _
+Public Class NotUndoableAttribute
+  Inherits Attribute
+
+End Class