From 617dd6a5ab9718043440e4cccbece7ae8e566a01 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 26 Jun 2018 15:43:33 +0100
Subject: [PATCH] fix win32 clipboard settext async.

---
 src/Windows/Avalonia.Win32/ClipboardImpl.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Windows/Avalonia.Win32/ClipboardImpl.cs b/src/Windows/Avalonia.Win32/ClipboardImpl.cs
index 3dae8e37d9..a908c9e1e2 100644
--- a/src/Windows/Avalonia.Win32/ClipboardImpl.cs
+++ b/src/Windows/Avalonia.Win32/ClipboardImpl.cs
@@ -57,6 +57,9 @@ namespace Avalonia.Win32
             }
 
             await OpenClipboard();
+
+            UnmanagedMethods.EmptyClipboard();
+
             try
             {
                 var hGlobal = Marshal.StringToHGlobalUni(text);