private void Form1_Load(object sender, EventArgs e)
        {
            String ls_appPath = System.Windows.Forms.Application.StartupPath + "\\font\\";//font是程序

            String fontFile1 = ls_appPath + "ygyxsziti2.0.TTF";

            System.Drawing.Text.PrivateFontCollection pfc = new System.Drawing.Text.PrivateFontCollection();

            pfc.AddFontFile(fontFile1);//字体文件的路径
            
            Font myFont1 = new Font(pfc.Families[0], 41, FontStyle.Regular, GraphicsUnit.Point, 0);//myFont1就是你创建的字体对象

            textBox1.Font = myFont1;
        }

String ls_appPath = System.Windows.Forms.Application.StartupPath + "\\font\\";//font是程序

String fontFile1 = ls_appPath + "LCDM2N__.TTF";
String fontFile2 = ls_appPath + "张海山锐线体简1.0.TTF";

System.Drawing.Text.PrivateFontCollection pfc = new System.Drawing.Text.PrivateFontCollection();

pfc.AddFontFile(fontFile1);//字体文件的路径
pfc.AddFontFile(fontFile2);//字体文件的路径

Font myFont1 = new Font(pfc.Families[0], lb_hour.Font.Size);//myFont1就是你创建的字体对象
Font myFont2 = new Font(pfc.Families[1], lb_nowDate.Font.Size);//myFont1就是你创建的字体对象

lb_hour.Font = lb_mh1.Font = lb_mh2.Font = lb_minite.Font = lb_second.Font = myFont1;
lb_nowDate.Font = lb_week.Font = myFont2;