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Designer guide Toolbar history and dirty state

Undo, redo, and saving

Designer edits are recorded as graph-model snapshots. The application distinguishes unsaved changes from the last saved project state.

When to use

Use this page while editing or reviewing the graph in the designer.

Behavior

  • Use the toolbar undo and redo buttons to move through model changes. Each operation restores streams, links, connectors, types, services, pools, modules, and their properties as one application snapshot.
  • Undo and redo rebuild the graph model while keeping the current viewport, then refresh selections and property panels against the restored objects.
  • The Save button is enabled only when the project is dirty. Saving records the current model as the saved baseline.
  • The Project page provides Save and Save As for named browser-stored projects. Loading another project with unsaved changes opens a Save, Discard, or Cancel guard.
  • The top toolbar also exposes sign-in or sign-out and language controls; these do not change graph semantics.

Toolbar actions properties

Editing actions shown in the application bar.

IconActionDescription
Undo

Restores the previous model snapshot.

Redo

Restores the next snapshot after an undo.

Save

Persists the current project and clears the dirty indicator.

Configuration example

Open the designer and select Graph.