Imagesize will determine the image dimensions and color depth of a JPG, GIF, BMP or PNG file, and return them via a user defined type. Project includes source code and a test form and is very well documented.
Image Size可以检测一幅 JPG, GIF, BMP or PNG 图像文件的大小和颜色深度,并用用户定义的类型返回它们。项目包含了源代码和一个测试表单,以及良好的文档。
来源: http://www.zarr.net/vb/download/codedetail.asp?code=16