evCreate API 5.7 Help

Undo/Redo evCreate API Section

The Undo/Redo section of the evCreate API includes functions to manage the edit history during a single document editing session in the Canvas Envision Creator web app.

undo namespace

The Undo/Redo evCreate API section is accessed with the undo namespace:

evCreate.undo.Function()

Functions

BeginTransaction(): Promise<void>

A function to start recording atomic edit operations into a single edit transaction.

EndTransaction(): Promise<void>

A function to finalize recording atomic edit operations into a single edit transaction.

Redo(): Promise<void>

A function to redo the last undone atomic edit operation or edit transaction.

Undo(): Promise<void>

A function to undo the last performed atomic edit operation or edit transaction.

29 April 2025