update to preview4

2019-10-22 22:02:51 +01:00 · 2019-10-22 22:02:51 +01:00 · ee986ff8a0
--- a/Directory.Build.props
+++ b/Directory.Build.props
@ -2,6 +2,6 @@
  <PropertyGroup>
    <LangVersion>7.1</LangVersion>
    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <AvaloniaVersion>0.9.0-preview3</AvaloniaVersion>
+    <AvaloniaVersion>0.9.0-preview4</AvaloniaVersion>
  </PropertyGroup>
 </Project>