主题：PictureViewer 单击事件全局定义

比如

Dim obj As object = e.Form.Controls("PictureViewer1").basecontrol.Controls(0)
Dim pic As windows.Forms.picturebox = obj.panel1.controls("PictureSplitContainer").Panel1.controls("panel2").controls("C1PictureBox1")
addhandler pic.click, addressof xxx_xxx