如何反转此Point3DCollection的顺序？基本上我希望最后一点是第一点，反之亦然。
Win32Exception: ApplicationName='cmd', CommandLine='/Cecho "xxx" | openssl
base64', CurrentDirectory=''
System.Diagnostics.Process.Start_noshell
(System.Diagnostics.ProcessStartInfo startInfo, System.Diagnostics.Process
process)
System.Diagnostics.Process.Start_common (System.Diagnostics.ProcessStartInfo
startInfo, System.Diagnostics.Process process)
System.Diagnostics.Process.Start ()
(wrapper remoting-invoke-with-check) System.Diagnostics.Process:Start ()
Facebook.Unity.Editor.FacebookAndroidUtil.DoesCommandExist (System.String
command)
Facebook.Unity.Editor.FacebookAndroidUtil.get_DebugKeyHash ()
Facebook.Unity.Editor.FacebookAndroidUtil.get_SetupProperly ()
Facebook.Unity.Editor.FacebookSettingsEditor.AndroidUtilGUI ()
Facebook.Unity.Editor.FacebookSettingsEditor.OnInspectorGUI ()
UnityEditor.InspectorWindow.DrawEditor (UnityEditor.Editor editor, Int32
editorIndex, Boolean rebuildOptimizedGUIBlock, System.Boolean&
showImportedObjectBarNext, UnityEngine.Rect& importedObjectBarRect) (at
C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1235)
UnityEditor.DockArea:OnGUI()