yusuke-no-iMac:~ yusuke$ brew install mono
==> Downloading https://downloads.sf.net/project/machomebrew/Bottles/mono-3.6.0.
######################################################################## 100.0%
==> Pouring mono-3.6.0.mavericks.bottle.tar.gz
==> Caveats
To use the assemblies from other formulae you need to set:
  export MONO_GAC_PREFIX="/usr/local"
==> Summary
🍺  /usr/local/Cellar/mono/3.6.0: 1124 files, 179M
yusuke-no-iMac:~ yusuke$ cd /Users/yusuke/Downloads/x265ui
yusuke-no-iMac:x265ui yusuke$ mono ifme.exe

Unhandled Exception:
System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.WindowsFormsSynchronizationContext ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.ThemeEngine ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.ThemeWin32Classic ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Drawing.KnownColors ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Drawing.GDIPlus ---> System.DllNotFoundException: /usr/local/Cellar/mono/3.6.0/lib/libgdiplus.dylib
  at (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&)
  at System.Drawing.GDIPlus..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Drawing.KnownColors..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Drawing.Color.get_Black () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ThemeWin32Classic..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Windows.Forms.ThemeVisualStyles..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ThemeEngine..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Windows.Forms.SystemInformation.get_MenuAccessKeysUnderlined () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.Control..ctor () [0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check) System.Windows.Forms.Control:.ctor ()
  at System.Windows.Forms.WindowsFormsSynchronizationContext..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Windows.Forms.Control..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ScrollableControl..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ContainerControl..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.Form..ctor () [0x00000] in <filename unknown>:0
  at ifme.hitoha.frmMain..ctor () [0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check) ifme.hitoha.frmMain:.ctor ()
  at ifme.Program.Main () [0x00000] in <filename unknown>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.WindowsFormsSynchronizationContext ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.ThemeEngine ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.ThemeWin32Classic ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Drawing.KnownColors ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Drawing.GDIPlus ---> System.DllNotFoundException: /usr/local/Cellar/mono/3.6.0/lib/libgdiplus.dylib
  at (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&)
  at System.Drawing.GDIPlus..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Drawing.KnownColors..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Drawing.Color.get_Black () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ThemeWin32Classic..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Windows.Forms.ThemeVisualStyles..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ThemeEngine..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Windows.Forms.SystemInformation.get_MenuAccessKeysUnderlined () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.Control..ctor () [0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check) System.Windows.Forms.Control:.ctor ()
  at System.Windows.Forms.WindowsFormsSynchronizationContext..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Windows.Forms.Control..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ScrollableControl..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.ContainerControl..ctor () [0x00000] in <filename unknown>:0
  at System.Windows.Forms.Form..ctor () [0x00000] in <filename unknown>:0
  at ifme.hitoha.frmMain..ctor () [0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check) ifme.hitoha.frmMain:.ctor ()
  at ifme.Program.Main () [0x00000] in <filename unknown>:0