Moved direct WinAPI access into a service

Eve-O-Preview/DwmAPI/Interface/IDwmThumbnail.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace EveOPreview
+{
+	public interface IDwmThumbnail
+	{
+		void Register(IntPtr destination, IntPtr source);
+		void Unregister();
+
+		void Move(int left, int top, int right, int bottom);
+		void Update();
+	}
+}