using System; using System.Drawing; using System.Windows.Forms; namespace DisplayImageExample { public partial class Form1 : Form { private PictureBox pictureBox1 = new PictureBox(); public Form
'添加个picture1和command1 Option ExplicitDim lngCenter As LongDim lngMax As LongDim lngPad&Dim PCurrent As POINT, PLast As POINTPrivate Type POINTx As Longy As LongEnd TypePrivate Sub Form_Load()l