---
title: "IStateNavigable Methods "
canonical: https://www.graphicsmill.com/docs/gm5/Methods_T_Aurigma_GraphicsMill_IStateNavigable.htm
product: "Graphics Mill 5.5 for .NET"
---
This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)
# IStateNavigable Methods
The [IStateNavigable](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_IStateNavigable.htm.md) type exposes the following members.
## Methods
| | Name | Description |
| --- | --- | --- |
|  | [ClearHistory](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_IStateNavigable_ClearHistory.htm.md) | Discards both undo and redo history. |
|  | [ClearRedoHistory](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_IStateNavigable_ClearRedoHistory.htm.md) | Discards redo history. |
|  | [ClearUndoHistory](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_IStateNavigable_ClearUndoHistory.htm.md) | Discards undo history. |
|  | [Redo](https://www.graphicsmill.com/docs/gm5/O_T_Aurigma_GraphicsMill_IStateNavigable_Redo.htm.md) | Overloaded.
Redoes last undone change. |
|  | [SaveState](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_IStateNavigable_SaveState.htm.md) | Saves state of the object. |
|  | [Undo](https://www.graphicsmill.com/docs/gm5/O_T_Aurigma_GraphicsMill_IStateNavigable_Undo.htm.md) | Overloaded.
Undoes last made change. |
## See Also
### Reference
- [IStateNavigable Interface](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_IStateNavigable.htm.md)
- [Aurigma.GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)