C# .net 添加及删除字体文件（ttf）

 public class InstallFont
    {        
        [DllImport("kernel32.dll", SetLastError = true)]
        static extern int WriteProfileString(string lpszSection, string lpszKeyName, string lpszString);
        [DllImport("user32.dll")]
        public static extern int SendMessage(int hWnd, // handle to destination window 
        uint Msg, // message 
        int wParam, // first message parameter 
        int lParam // second message parameter 
        );
        [DllImport("gdi32")]
        public static extern int AddFontResource(string lpFileName);
        [DllImport("gdi32")]
        public static extern int RemoveFontResource(string lpFileName);
        /// <summary>
        /// 安装字体
        /// </summary>
        /// <param name="orginFontPath">原始字体文件所在路径</param>
        public static int installFont(string orginFontPath)
        {
            string WinFontDir = "C://windows//fonts";
            string FontFileName = "my font.TTF";
            string FontName = "my font";
            int Ret=0;
            int Res;
            string FontPath;
            const int WM_FONTCHANGE = 0x001D;
            const int HWND_BROADCAST = 0xffff;
            FontPath = WinFontDir + "//" + FontFileName;
            if (File.Exists(FontPath))//若已存在则先删除之
            {
                try
                {
                    removeFont(FontPath);
                }
                catch (Exception)
                {
                    
                    //throw;
                }
            }
            if (!File.Exists(FontPath))
            {
                File.Copy(orginFontPath + "//" + FontFileName, FontPath);
                Ret = AddFontResource(FontPath);
                Res = SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
                //Ret =
                    WriteProfileString("fonts", FontName + "(TrueType)", FontFileName);
            }
            return Ret;
        }
        public static int removeFont(string FontFilePathName)
        {            
            RemoveFontResource(FontFilePathName);
            try
            {
                File.Delete(FontFilePathName);
            }
            catch (Exception)
            {
                return 0;
            }
            return 1;
        }
    }

若只使用AddFontResource函数，则重启机器后字体文件消失，此方法字体在机器重启后仍有效

删除字体功能，需要删除Fonts文件夹下的文件才有效

参考：http://blog.csdn.net/vcleaner/archive/2005/07/27/436079.aspx

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