为什么会报错:
For Each c As WinForm.Control In e.Form.Controls
MESSAGEBOX.SHOW(c.Gettype.name)
If Typeof c Is WinForm.FileManager Then '判断控件是否 文件管理
Dim F As WinForm.FileManager = c '使用特定类型的变量引用控件
MESSAGEBOX.SHOW(F.Name)
End If
'If Typeof c Is WinForm.PictureViewer Then '判断控件是否 文件管理
'Dim P As WinForm.PictureViewer
'MESSAGEBOX.SHOW(P.Name)
'End If
Next