主题：[求助]图片旋转问题

Dim zp As WinForm.PictureViewer = e.Form.Controls("PictureViewer1")
Dim str As String = zp.SelectedItem
Dim bmp As New bitmap(str)
bmp.RotateFlip(RotateFlipType.Rotate90FlipNone)
bmp.save(str)

Dim obj As object = e.Form.Controls("PictureViewer1").basecontrol.Controls(0)
Dim pic As Object = obj.panel1.controls("PictureSplitContainer").Panel1.controls("panel2").controls("C1PictureBox1")
pic.Image = bmp