C#打印证件：一个指定格式的学生证模板，在代码中设置打印区域大小 、网格线、填充左右两侧内容，绘制网格和内容等。(C # Print ID: a template of student ID in a specified format, set the size of the printing area, grid lines, fill the left and right sides of the code, draw the grid and content, etc.)