using UWP.Markup;
var value = new InfoBar()
.Title("Title")
.Severity(InfoBarSeverity.Informational)
.Message("Message")
.IsOpen(true)
.IsIconVisible(true)
.IsClosable(true)
.IconSource(new Microsoft.UI.Xaml.Controls.SymbolIconSource() { Symbol = Symbol.Accept });
// doc ⬇️WinUI Methods