unity打开windows系统外部文件夹，并选择文件内容

 

1、首先需要从unity打开外部文件夹并选择文件的功能，具体操作如下：

     首先创建一个单独的类，用来储存打开的系统窗口的设置，下面的变量没有特殊要求不需要做任何改动：

 

using UnityEngine; using System.Collections; using System; using System.Runtime.InteropServices;   [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public class OpenFileName {     public int structSize = 0;     public IntPtr dlgOwner =IntPtr.Zero;     public IntPtr instance = IntPtr.Zero;     public String filter = null;     public String customFilter = null;     public int maxCustFilter = 0;     public int filterIndex = 0;     public String file = null;     public int maxFile = 0;     public String fileTitle = null;     public int maxFileTitle = 0;     public String initialDir = null;     public String title = null;