C++/C#结构体转化-二维数组

String To bytes

 typedef struct VidyoClientInEventGroupChat_
 {
     /*! Message (contents) to be sent to all remote participants */
     char message[MAX_CHAT_MESSAGE_LEN];
 } VidyoClientInEventGroupChat;

    [StructLayout(LayoutKind.Sequential)]
         public struct VidyoClientInEventGroupChat
         {
             unsafe fixed byte message[MAX_CHAT_MESSAGE_LEN];
             public unsafe bool SetMessage(string message)
             {
                 byte[] bytes = UnicodeStringToUtf8Array(message);
                 if (bytes.Length > MAX_CHAT_MESSAGE_LEN)
                 {
                     return false;
                 }
                 fixed (VidyoClientInEventGroupChat* p = &this)
                     for (int i = ; i < bytes.Length; i++)
                     {
                         p->message[i] = bytes[i];
                     }
                 return true;
             }
         };

bytes To String

 typedef struct VidyoClientRequestGetWindowsAndDesktops_
 {
     /*! The number of application windows currently open */
     VidyoSizeT numApplicationWindows;
     /*! List of open application window names (UTF-8) (Localized) */
     char appWindowName[MAX_NUM_APP_WINDOWS][MAX_URI_LEN];
     /*! List of open application window application names (UTF-8) (Localized) */
     char appWindowAppName[MAX_NUM_APP_WINDOWS][MAX_URI_LEN];
     /*! List of open application window handles */
     VidyoWindowCapturerWindowId appWindowId[MAX_NUM_APP_WINDOWS];
     /*! List of open application window geometries */
     VidyoRect appWindowRect[MAX_NUM_APP_WINDOWS];
     /*! The number of system desktops currently available */
     VidyoSizeT numSystemDesktops;
     /*! List of available system desktop names (UTF-8) (Not localized) */
     char sysDesktopName[MAX_SHARE_DISPLAY_DEVICE][MAX_URI_LEN];
     /*! List of available system desktop handles */
     VidyoWindowCapturerWindowId sysDesktopId[MAX_SHARE_DISPLAY_DEVICE];
     /*! List of available system desktop geometries */
     VidyoRect sysDesktopRect[MAX_SHARE_DISPLAY_DEVICE];
 } VidyoClientRequestGetWindowsAndDesktops;

 static public string UnicodeStringFromUtf8Array(byte[] bytUTF8)
         {
             byte[] bytUnicode = Encoding.Convert(Encoding.UTF8, Encoding.Unicode, bytUTF8);
             int cntUnicode = Encoding.Unicode.GetCharCount(bytUnicode);
             char[] charUnicode = Encoding.Unicode.GetChars(bytUnicode);
             int j = ;
             for (; j < cntUnicode; j++)
             {
                 if (charUnicode[j] == )
                     break;
             }
             string strUnicode = Encoding.Unicode.GetString(bytUnicode, , j * );
             return strUnicode;
         }

         [Serializable]
         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
         unsafe public struct VidyoClientRequestGetWindowsAndDesktops
         {
             public uint numApplicationWindows;

             [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NUM_APP_WINDOWS * MAX_URI_LEN)]
             public byte[] appWindowName;

             [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NUM_APP_WINDOWS * MAX_URI_LEN)]
             public byte[] appWindowAppName;

             [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NUM_APP_WINDOWS)]
             public uint[] appWindowId;

             [MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.Struct, SizeConst = MAX_NUM_APP_WINDOWS)]
             public VidyoRect[] appWindowRect;

             public uint numSystemDesktops;

             [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SHARE_DISPLAY_DEVICE * MAX_URI_LEN)]
             public byte[] sysDesktopName;

             [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SHARE_DISPLAY_DEVICE)]
             public uint[] sysDesktopId;

             [MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.Struct, SizeConst = MAX_SHARE_DISPLAY_DEVICE)]
             public VidyoRect[] sysDesktopRect;

             public string[] GetappWindowList()
             {
                 int numApp = (int)(numApplicationWindows);
                 string[] appWindowList = new string[numApp];
                 byte[] bytUTF8 = new byte[MAX_URI_LEN];
                 for (int i = ; i < numApplicationWindows; i++)
                 {
                     for (int j = ; j < MAX_URI_LEN; j++)
                     {
                         bytUTF8[j] = appWindowName[j + i * Vidyo32.MAX_URI_LEN];
                     }
                     if (bytUTF8[] != )
                     { appWindowList[i] = UnicodeStringFromUtf8Array(bytUTF8); }
                     else
                     { appWindowList[i] = ""; }
                 }

                 return appWindowList;
             }
             public string[] GetappWindowAppList()
             {
                 int numApp = (int)(numApplicationWindows);
                 string[] appWindowList = new string[numApp];
                 byte[] bytUTF8 = new byte[MAX_URI_LEN];
                 for (int i = ; i < numApplicationWindows; i++)
                 {
                     for (int j = ; j < MAX_URI_LEN; j++)
                     {
                         bytUTF8[j] = appWindowAppName[j + i * Vidyo32.MAX_URI_LEN];
                     }
                     if (bytUTF8[] != )
                     { appWindowList[i] = UnicodeStringFromUtf8Array(bytUTF8); }
                     else
                     { appWindowList[i] = ""; }
                 }

                 return appWindowList;
             }
             public string[] GetDesktopList()
             {
                 int numApp = (int)(numSystemDesktops);
                 string[] appWindowList = new string[numApp];
                 byte[] bytUTF8 = new byte[MAX_URI_LEN];
                 for (int i = ; i < numSystemDesktops; i++)
                 {
                     for (int j = ; j < MAX_URI_LEN; j++)
                     {
                         bytUTF8[j] = sysDesktopName[j + i * Vidyo32.MAX_URI_LEN];
                     }
                     if (bytUTF8[] != )
                     { appWindowList[i] = UnicodeStringFromUtf8Array(bytUTF8); }
                     else
                     { appWindowList[i] = ""; }
                 }

                 return appWindowList;
             }