C# 枚举系统中的字体的方法

C# 枚举系统中的字体的方法方法一：
InstalledFontCollection   MyFont   =   new   InstalledFontCollection();            
            FontFamily[]   FontFamily   =   MyFont.Families;
            foreach (FontFamily ff in FontFamily)
                FontNamesComboBox.Items.Add(ff.Name);

C# 枚举系统中的字体的方法方法二：

#region API声明
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
        public class LogFont
        {
            public int lfHeight;
            public int lfWidth;
            public int lfEscapement;
            public int lfOrientation;
            public FontWeight lfWeight;
            [MarshalAs(UnmanagedType.U1)]
            public bool lfItalic;
            [MarshalAs(UnmanagedType.U1)]
            public bool lfUnderline;
            [MarshalAs(UnmanagedType.U1)]
            public bool lfStrikeOut;
            public FontCharSet lfCharSet;
            public FontPrecision lfOutPrecision;
            public FontClipPrecision lfClipPrecision;
            public FontQuality lfQuality;
            public FontPitchAndFamily lfPitchAndFamily;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string lfFaceName;
        }
        public enum FontWeight : int
        {
            FW_DONTCARE = 0,
            FW_THIN = 100,
            FW_EXTRALIGHT = 200,
            FW_LIGHT = 300,
            FW_NORMAL = 400,
            FW_MEDIUM = 500,
            FW_SEMIBOLD = 600,
            FW_BOLD = 700,
            FW_EXTRABOLD = 800,
            FW_HEAVY = 900,
        }
        public enum FontCharSet : byte
        {
            ANSI_CHARSET = 0,
            DEFAULT_CHARSET = 1,
            SYMBOL_CHARSET = 2,
            SHIFTJIS_CHARSET = 128,
            HANGEUL_CHARSET = 129,
            HANGUL_CHARSET = 129,
            GB2312_CHARSET = 134,
            CHINESEBIG5_CHARSET = 136,
            OEM_CHARSET = 255,
            JOHAB_CHARSET = 130,
            HEBREW_CHARSET = 177,
            ARABIC_CHARSET = 178,
            GREEK_CHARSET = 161,
            TURKISH_CHARSET = 162,
            VIETNAMESE_CHARSET = 163,
            THAI_CHARSET = 222,
            EASTEUROPE_CHARSET = 238,
            RUSSIAN_CHARSET = 204,
            MAC_CHARSET = 77,
            BALTIC_CHARSET = 186,
        }
        public enum FontPrecision : byte
        {
            OUT_DEFAULT_PRECIS = 0,
            OUT_STRING_PRECIS = 1,
            OUT_CHARACTER_PRECIS = 2,
            OUT_STROKE_PRECIS = 3,
            OUT_TT_PRECIS = 4,
            OUT_DEVICE_PRECIS = 5,
            OUT_RASTER_PRECIS = 6,
            OUT_TT_ONLY_PRECIS = 7,
            OUT_OUTLINE_PRECIS = 8,
            OUT_SCREEN_OUTLINE_PRECIS = 9,
            OUT_PS_ONLY_PRECIS = 10,
        }
        public enum FontClipPrecision : byte
        {
            CLIP_DEFAULT_PRECIS = 0,
            CLIP_CHARACTER_PRECIS = 1,
            CLIP_STROKE_PRECIS = 2,
            CLIP_MASK = 0xf,
            CLIP_LH_ANGLES = (1 << 4),
            CLIP_TT_ALWAYS = (2 << 4),
            CLIP_DFA_DISABLE = (4 << 4),
            CLIP_EMBEDDED = (8 << 4),
        }
        public enum FontQuality : byte
        {
            DEFAULT_QUALITY = 0,
            DRAFT_QUALITY = 1,
            PROOF_QUALITY = 2,
            NONANTIALIASED_QUALITY = 3,
            ANTIALIASED_QUALITY = 4,
            CLEARTYPE_QUALITY = 5,
            CLEARTYPE_NATURAL_QUALITY = 6,
        }
        [Flags]
        public enum FontPitchAndFamily : byte
        {
            DEFAULT_PITCH = 0,
            FIXED_PITCH = 1,
            VARIABLE_PITCH = 2,
            FF_DONTCARE = (0 << 4),
            FF_ROMAN = (1 << 4),
            FF_SWISS = (2 << 4),
            FF_MODERN = (3 << 4),
            FF_SCRIPT = (4 << 4),
            FF_DECORATIVE = (5 << 4),
        }

        public const int LF_FACESIZE = 32;

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
        public struct EnumLogFontEx
        {
            public LogFont elfLogFont;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = LF_FACESIZE)]
            public string elfFullName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = LF_FACESIZE)]
            public string elfStyle;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = LF_FACESIZE)]
            public string elfScript;
        }

        delegate int EnumFontExDelegate(ref EnumLogFontEx lpelfe, IntPtr lpntme, int FontType, int lParam);

        [DllImport("gdi32.dll", EntryPoint = "EnumFontFamiliesEx", CharSet = CharSet.Unicode)]
        static extern int EnumFontFamiliesEx(IntPtr hDC, [In, MarshalAs(UnmanagedType.LPStruct)] LogFont logFont, EnumFontExDelegate enumFontExCallback,
            IntPtr lParam, uint dwFlags);

        #endregion




#region 枚举字体回调函数
        int enumFontEx(ref EnumLogFontEx lpelfe, IntPtr lpntme, int FontType, int lParam)
        {
            if (this.comboBox1.Items.Contains(lpelfe.elfFullName) == false)
                this.comboBox1.Items.Add(lpelfe.elfFullName);
            return 1;
        }
        #endregion



         #region 通过API得到字体列表
            Bitmap bmp = new Bitmap(10, 10);
            Graphics g = Graphics.FromImage(bmp);

            IntPtr hDC = g.GetHdc();
            LogFont logFont = new LogFont();
            logFont.lfCharSet = FontCharSet.DEFAULT_CHARSET;

            //EnumFontExDelegate callbackProc = new EnumFontExDelegate(enumFontEx);
            int intResult = EnumFontFamiliesEx(hDC, logFont, enumFontEx, IntPtr.Zero, 0);
            g.ReleaseHdc(hDC);
            g.Dispose();
            bmp.Dispose();
            #endregion

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