--- mono-2.10.6-original/mcs/class/System.Drawing/System.Drawing/SystemFonts.cs
+++ mono-2.10.6/mcs/class/System.Drawing/System.Drawing/SystemFonts.cs
@@ -69,36 +69,55 @@
 		}
 
 		public static Font CaptionFont { 
-			get { return new Font ("Microsoft Sans Serif", 11, "CaptionFont"); }
+			get { return GetFont("Microsoft Sans Serif", 11, "CaptionFont"); }
 		}
 
 		public static Font DefaultFont  { 
-			get { return new Font ("Microsoft Sans Serif", 8.25f, "DefaultFont"); }
+			get { return GetFont("Microsoft Sans Serif", 7.25f, "DefaultFont"); }
 		}
 
 		public static Font DialogFont  { 
-			get { return new Font ("Tahoma", 8, "DialogFont"); }
+			get { return GetFont("Tahoma", 8, "DialogFont"); }
 		}
 
 		public static Font IconTitleFont  { 
-			get { return new Font ("Microsoft Sans Serif", 11, "IconTitleFont"); }
+			get { return GetFont("Microsoft Sans Serif", 11, "IconTitleFont"); }
 		}
 
 		public static Font MenuFont  { 
-			get { return new Font ("Microsoft Sans Serif", 11, "MenuFont"); }
+			get { return GetFont("Microsoft Sans Serif", 11, "MenuFont"); }
 		}
 
 		public static Font MessageBoxFont  { 
-			get { return new Font ("Microsoft Sans Serif", 11, "MessageBoxFont"); }
+			get { return GetFont("Microsoft Sans Serif", 11, "MessageBoxFont"); }
 		}
 
 		public static Font SmallCaptionFont  { 
-			get { return new Font ("Microsoft Sans Serif", 11, "SmallCaptionFont"); }
+			get { return GetFont("Microsoft Sans Serif", 11, "SmallCaptionFont"); }
 		}
 
 		public static Font StatusFont  { 
-			get { return new Font ("Microsoft Sans Serif", 11, "StatusFont"); }
+			get { return GetFont("Microsoft Sans Serif", 11, "StatusFont"); }
 		}	      
+
+		private static Font GetFont(string fontName, float fontSize, string name) {
+			return new Font(GetFontName(name, fontName), GetFontSize(name, fontSize), name);
+		}
+
+		private static String GetFontName(string name, string fallback) {
+			string font = Environment.GetEnvironmentVariable("MONO_" + name.ToUpper());
+			return font == null ? fallback : font;
+		}
+
+		private static float GetFontSize(string name, float fallback) {
+			string size = Environment.GetEnvironmentVariable("MONO_" + name.ToUpper() + "_SIZE");
+			try {
+				return size == null ? fallback : (float) Convert.ToDouble(size);
+			} catch (System.Exception e) {
+				Console.Error.WriteLine(e);
+				return fallback;
+			}
+		}
 	}
 }