class FXCommand

Base class for undoable commands

Public Methods

virtual void undo() = 0

Undo this command; this should save the information for a subsequent redo

virtual void redo() = 0

Redo this command; this should save the information for a subsequent undo

virtual FXuint size() const = 0

Return the size of the information in the undo record.

virtual FXString undoName() const = 0

Name of the undo command to be shown on a button; for example, "Undo Delete"

virtual FXString redoName() const = 0

Name of the redo command to be shown on a button; for example, "Redo Delete"

virtual ~FXCommand()

Delete undo command

Documentation

Base class for undoable commands

virtual void undo() = 0

Undo this command; this should save the information for a subsequent redo

virtual void redo() = 0

Redo this command; this should save the information for a subsequent undo

virtual FXuint size() const = 0

Return the size of the information in the undo record. The undo list may be trimmed to limit memory usage to a certain limit.

virtual FXString undoName() const = 0

Name of the undo command to be shown on a button; for example, "Undo Delete"

virtual FXString redoName() const = 0

Name of the redo command to be shown on a button; for example, "Redo Delete"

virtual ~FXCommand()

Delete undo command

This class has no child classes.

Friends:

class FXUndoList

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