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Cannot use PathIconSource for TabViewItem.IconSource

See original GitHub issue

When I use SymbolIconSource or FontIconSource for TabViewItem.IconSource, the application is happy… but when I use PathIconSource for example: <MUXC:TabViewItem Header="Bookmarks" IsClosable="False"> <MUXC:TabViewItem.IconSource> <MUXC:PathIconSource Data="M17 3H7c-1.1 0-1.99.9-1.99 2L5 21l7-3 7 3V5c0-1.1-.9-2-2-2z"/> </MUXC:TabViewItem.IconSource> </MUXC:TabViewItem>

then I got an exception: “The parameter is incorrect.\r\n\r\nThe parameter is incorrect.\r\n” System.Exception {System.ArgumentException}

Version Info

NuGet package version: [Microsoft.UI.Xaml 2.4.2]

Windows 10 version	Saw the problem?
Insider Build (xxxxx)
November 2019 Update (18363)
May 2019 Update (18362)	Yes
October 2018 Update (17763)
April 2018 Update (17134)
Fall Creators Update (16299)
Creators Update (15063)