LineCommentPrefix doenst work (ScintillaNET)

LineCommentPrefix doenst work (ScintillaNET)

The LineCommentPrefix doenst work. Why?
editor.Lexing.Lexer = ScintillaNET.Lexer.Cpp;
editor.Lexing.Keywords[0] = "for while do stock public forward if
else return new break continue false true stock case enum switch
sizeof goto default";
editor.Lexing.Keywords[1] = "Float bool";
editor.Lexing.LineCommentPrefix = "//";
editor.Lexing.StreamCommentPrefix = "/*";
editor.Lexing.StreamCommentSufix = "*/";
editor.Styles[editor.Lexing.StyleNameMap["DOCUMENT_DEFAULT"]].ForeColor
= System.Drawing.Color.Black; // DEFAULT CHAR
editor.Styles[editor.Lexing.StyleNameMap["NUMBER"]].ForeColor =
System.Drawing.Color.SteelBlue; // NUMBER
editor.Styles[editor.Lexing.StyleNameMap["WORD"]].ForeColor =
System.Drawing.Color.Blue;
editor.Styles[editor.Lexing.StyleNameMap["WORD"]].Bold = true; //
new usw.
editor.Styles[editor.Lexing.StyleNameMap["WORD2"]].ForeColor =
System.Drawing.Color.Purple; // Flaot, Bool
editor.Styles[editor.Lexing.StyleNameMap["STRING"]].ForeColor =
System.Drawing.Color.Red; // String
editor.Styles[editor.Lexing.StyleNameMap["CHARACTER"]].ForeColor =
System.Drawing.Color.Red; // Char
editor.Styles[editor.Lexing.StyleNameMap["PREPROCESSOR"]].ForeColor
= System.Drawing.Color.Brown; // #define usw
editor.Styles[editor.Lexing.StyleNameMap["OPERATOR"]].ForeColor =
System.Drawing.Color.Black; // + - / *
editor.Styles[editor.Lexing.StyleNameMap["IDENTIFIER"]].ForeColor
= System.Drawing.Color.Black;
editor.Styles[editor.Lexing.StyleNameMap["COMMENT"]].ForeColor =
System.Drawing.Color.Green;
It dont't geht marked green. Please help me. - Timo