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CanUndo

Checks if it is possible to undo the user's last action.

Syntax​

expression.CanUndo();

expression - A variable that represents a Api class.

Parameters​

This method doesn't have any parameters.

Returns​

boolean

Example​

const addTextToDocument = function () {
	const doc = Api.GetDocument();
	const paragraph = doc.GetElement(0);
	paragraph.AddText(Asc.scope.text);
};

Asc.plugin.executeMethod('CanUndo', [], result => console.log('Can undo: ' + result));
Asc.scope.text = 'The text string that we added to the document so that we have an action to Undo.\n';
Asc.plugin.callCommand(addTextToDocument);

Asc.plugin.executeMethod('CanUndo', [], result => console.log('Can undo: ' + result));