Returns a list of all the available theme colors for the spreadsheet.
This method doesn't have any parameters.
builder.CreateFile("xlsx"); var oWorksheet = Api.GetActiveSheet(); var themes = Api.GetThemesColors(); for (let i = 0; i < themes.length; ++i) { oWorksheet.GetRange("A" + (i + 1)).SetValue(themes[i]); } builder.SaveFile("xlsx", "GetThemesColors.xlsx"); builder.CloseFile();