Source not compiling

Apr 2, 2012 at 11:36 PM

Hi all, my problem is that a will try compile the latest version at today (greatmaps_cebf19d4121b) show me error in the GMarkerGoogle.cs in this part of code

internal static Bitmap GetIcon(string name)
         Bitmap ret;
         if(!iconCache.TryGetValue(name, out ret))
            ret = Resources.ResourceManager.GetObject(name, Resources.Culture) as Bitmap;<------- here error
            iconCache.Add(name, ret);
         return ret;

error say --->Could not load file or assembly 'System.Drawing, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified.

Can anyone help me...

Sorry for my very very bad english..... ;)