ToolbarItem.Tag

From Xojo Documentation

Property (As Variant )
aToolbarItem.Tag = newVariantValue
or
VariantValue = aToolbarItem.Tag

New in 2019r2

Supported for all project types and targets.

A “hidden” value associated with the toolbar item.

Notes

The tag is accessible via code when the user chooses the toolbar item but, unlike the Caption property, is not displayed in the toolbar.

Example

This example is in the Toolbar Initialized event of the main window.

Me.SaveButton.Tag = folderItemToSave