diff --git a/scintilla/include/ScintillaTypes.h b/scintilla/include/ScintillaTypes.h
index 4e55de257..92a7a669b 100644
--- a/scintilla/include/ScintillaTypes.h
+++ b/scintilla/include/ScintillaTypes.h
@@ -159,11 +159,22 @@ enum class CaseVisible {
 	Camel = 3,
 };
 
+// >>>>>>>>>>>>>>>   BEG NON STD SCI PATCH   >>>>>>>>>>>>>>>
+// Extended FontWeight enum to support all DirectWrite font weight values
 enum class FontWeight {
+	Thin = 100,
+	ExtraLight = 200,
+	Light = 300,
+	SemiLight = 350,
 	Normal = 400,
+	Medium = 500,
 	SemiBold = 600,
 	Bold = 700,
+	ExtraBold = 800,
+	Black = 900,
+	ExtraBlack = 950,
 };
+// <<<<<<<<<<<<<<<   END NON STD SCI PATCH   <<<<<<<<<<<<<<<
 
 enum class FontStretch {
 	UltraCondensed = 1,