Enum UndoOperation
Defines a type of the operation to undo.
public enum UndoOperationFields
Break = 2Specifies operation that breaks text line into two lines.
Delete = 1Specifies operation that deletes some text.
DeleteBlock = 5Specifies operation that deletes some block of text.
Insert = 0Specifies operation that inserts some text.
InsertBlock = 4Specifies operation that inserts some block of text.
Specifies operation that navigates within text content.
Specifies operation that navigates within text content. (this operation is always undone, regardless of UndoOptions).
UnBreak = 3Specifies operation that concatenates two text lines.
UndoBlock = 8Specifies that subsequent undo operations will be undone at once.
Unknown = 9Specifies unknown operation.