C# Signature:
[DllImport("gdi32.dll")]
static extern int EnumFontFamiliesEx(IntPtr hdc, [In] ref LOGFONT lpLogfont,
EnumFontExDelegate lpEnumFontFamExProc, IntPtr lParam, uint dwFlags);
User-Defined Types:
Notes:
None.
Tips & Tricks:
Please add some!
Sample Code:
C# Sample:
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Windows.Forms;
public class Fonts
{
private const byte DEFAULT_CHARSET = 1;
private const byte SHIFTJIS_CHARSET = 128;
private const byte JOHAB_CHARSET = 130;
private const byte EASTEUROPE_CHARSET = 238;
private const byte DEFAULT_PITCH = 0;
private const byte FIXED_PITCH = 1;
private const byte VARIABLE_PITCH = 2;
private const byte FF_DONTCARE = (0 << 4);
private const byte FF_ROMAN = (1 << 4);
private const byte FF_SWISS = (2 << 4);
private const byte FF_MODERN = (3 << 4);
private const byte FF_SCRIPT = (4 << 4);
private const byte FF_DECORATIVE = (5 << 4);
private List<FontFamily> _fonts = new List<FontFamily>();
public List<FontFamily> FontFamilies
{
get { return _fonts; }
set { _fonts = value; }
}
public void GetFonts()
{
LOGFONT lf = CreateLogFont("");
IntPtr plogFont = Marshal.AllocHGlobal(Marshal.SizeOf(lf));
Marshal.StructureToPtr(lf, plogFont, true);
int ret = 0;
try
{
//If anyone knows of a better way to get the pointer please let me know
var pictureBox = new PictureBox();
var graphic = pictureBox.CreateGraphics();
var ptr = graphic.GetHdc();
del1 = new EnumFontExDelegate(callback1);
ret = EnumFontFamiliesEx(ptr, plogFont, del1, IntPtr.Zero, 0);
System.Diagnostics.Trace.WriteLine("EnumFontFamiliesEx = " + ret.ToString());
graphic.ReleaseHdc(ptr);
}
catch
{
System.Diagnostics.Trace.WriteLine("Error!");
}
finally
{
Marshal.DestroyStructure(plogFont, typeof(LOGFONT));
}
}
[DllImport("gdi32.dll", CharSet = CharSet.Auto)]
static extern int EnumFontFamiliesEx(IntPtr hdc,
[In] IntPtr pLogfont,
EnumFontExDelegate lpEnumFontFamExProc,
IntPtr lParam,
uint dwFlags);
[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),
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public struct NEWTEXTMETRIC
{
public int tmHeight;
public int tmAscent;
public int tmDescent;
public int tmInternalLeading;
public int tmExternalLeading;
public int tmAveCharWidth;
public int tmMaxCharWidth;
public int tmWeight;
public int tmOverhang;
public int tmDigitizedAspectX;
public int tmDigitizedAspectY;
public char tmFirstChar;
public char tmLastChar;
public char tmDefaultChar;
public char tmBreakChar;
public byte tmItalic;
public byte tmUnderlined;
public byte tmStruckOut;
public byte tmPitchAndFamily;
public byte tmCharSet;
int ntmFlags;
int ntmSizeEM;
int ntmCellHeight;
int ntmAvgWidth;
}
public struct FONTSIGNATURE
{
[MarshalAs(UnmanagedType.ByValArray)]
int[] fsUsb;
[MarshalAs(UnmanagedType.ByValArray)]
int[] fsCsb;
}
public struct NEWTEXTMETRICEX
{
NEWTEXTMETRIC ntmTm;
FONTSIGNATURE ntmFontSig;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public struct ENUMLOGFONTEX
{
public LOGFONT elfLogFont;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
public string elfFullName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
public string elfStyle;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
public string elfScript;
}
public delegate int EnumFontExDelegate(ref ENUMLOGFONTEX lpelfe, ref NEWTEXTMETRICEX lpntme, int FontType, int lParam);
public EnumFontExDelegate del1;
public int callback1(ref ENUMLOGFONTEX lpelfe, ref NEWTEXTMETRICEX lpntme, int FontType, int lParam)
{
try
{
FontType fontType;
if (FontType == 2 || FontType == 4)
{
fontType = (ClientTools.Fonts.FontType)FontType;
}
else
{
fontType = ClientTools.Fonts.FontType.Unknown;
}
FontFamilies.Add(new FontFamily(lpelfe.elfFullName, fontType));
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e.ToString());
}
return 1;
}
public static LOGFONT CreateLogFont(string fontname)
{
LOGFONT lf = new LOGFONT();
lf.lfHeight = 0;
lf.lfWidth = 0;
lf.lfEscapement = 0;
lf.lfOrientation = 0;
lf.lfWeight = 0;
lf.lfItalic = false;
lf.lfUnderline = false;
lf.lfStrikeOut = false;
lf.lfCharSet = FontCharSet.DEFAULT_CHARSET;
lf.lfOutPrecision = 0;
lf.lfClipPrecision = 0;
lf.lfQuality = 0;
lf.lfPitchAndFamily = FontPitchAndFamily.FF_DONTCARE;
lf.lfFaceName = "";
return lf;
}
}
public class FontFamily
{
public string FontName { get; set; }
public FontType FontType { get; set; }
public FontFamily(string fontName, FontType fontType)
{
FontName = fontName;
FontType = fontType;
}
}
public enum FontType
{
Unknown = 1,
TrueType = 4,
PostScript = 2
}
Alternative Managed API:
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