1、要借助第三方dll操控摄像头才知道,比较繁琐,百度搜索一下
2、调整大小,就是调整分辨率啊
Dim file As String = "d:\test.jpg"Dim img As image = getImage(file)Dim bmp As new bitmap(img, 100, 100 * (img.height / img.width))bmp.save("d:\缩略图.jpg")bmp.Dispose