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ComPDFKitViewer.Helper Namespace

 
Classes
  ClassDescription
Public classArrowHelper
Public classBinaryStructConverter
bitmap struct converter
Public classDpiHelper
DPI Helper
Public classUndoManager
Undo/Redo Manager class
Interfaces
  InterfaceDescription
Public interfaceIHistory
IHistory
Enumerations
  EnumerationDescription
Public enumerationHistoryAction
HistoryAction
Public enumerationUndoAction
Undo/Redo Manager class, the usage method is as follows: First get the singleton through the GetCurrent method, Then call the AddHistory method of the singleton to add a history record (the parameter is an object that implements the History (undo/redo method) interface) Then call the Undo/Redo method of UndoManager