Visual C#动态修改图片-在图片上添加描述信息，类似图片加水印的功能，特别是加文字文印，先给选中的图片上写上具体的ID编号，还需要判断文件类型是否为图像类型，这里就不赘述了，定义一个矩形区域，以后在这个矩形里画上白底黑字，定义字体，笔刷，画文字用，输出处理后的图像，具体代码实现请参见压缩包源码-Visual C# dynamic modification of pictures- adding descr iptive information on the image, similar to the picture watermark function, especially add text printed text, written on the selected pictures give a specific ID number, also need to determine whether the type of image file types, not go into here, to define a rectangular area, later in this rectangle painted in black and white, custom fonts, brushes, painting with text, image output processing, the specific code, please refer to the source tarball