$ ilrun XHello.exe
Uncaught exception: System.MissingMethodException: Attempted to access a non-existing method
        at Xsharp.Xlib.XSharpFreeFontXft(IntPtr, IntPtr)
        at Xsharp.XftFont.FreeFontSet(IntPtr, IntPtr)
        at Xsharp.Font.Disassociate(Display) in ./Font.cs:901
        at Xsharp.Display.Close() in ./Display.cs:277
        at Xsharp.Application.Close() in ./Application.cs:294
        at XHello.Main(String[])

$ sh
sh-2.05b$ ilrun XHello.exe
Uncaught exception: System.EntryPointNotFoundException: Entry point was not found
        at Xsharp.XftFont.FreeFontSet(IntPtr, IntPtr) in ./Font.cs:1309
        at Xsharp.Font.Disassociate(Display) in ./Font.cs:901
        at Xsharp.Display.Close() in ./Display.cs:277
        at Xsharp.Application.Close() in ./Application.cs:294
        at XHello.Main(String[]) in ./XHello.cs:35

sh-2.05b$