SetUnderline

function SetUnderline(isUnderline: boolean = null): ApiRange | "null"

Description

Specifies that the contents of the current Range are displayed along with a line appearing directly below the character (less than all the spacing above and below the characters on the line).

Parameters

isUnderlinebooleandefault: null

Specifies if the contents of the current Range are displayed underlined or not.

Returns

ApiRange | "null"

Try It

var oDocument = Api.GetDocument();
var oParagraph = oDocument.GetElement(0);
oParagraph.AddText("ONLYOFFICE Document Builder");
var oRange = oDocument.GetRange(0, 24);
oRange.SetUnderline(true);

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