//+------------------------------------------------------------------+
//|                                                 MetaTrader 5 API |
//|                   Copyright 2000-2019, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#pragma once
//+------------------------------------------------------------------+
//| Attachment record interface                                      |
//+------------------------------------------------------------------+
class IMTAttachment
  {
public:
   //--- file types
   enum EnFileType
     {
      FILE_TYPE_OTHER                       =0,          // other
      FILE_TYPE_TXT                         =1,          // txt
      FILE_TYPE_DOC                         =2,          // doc
      FILE_TYPE_PDF                         =3,          // pdf
      FILE_TYPE_JPG                         =4,          // jpg
      FILE_TYPE_PNG                         =5,          // png
      FILE_TYPE_BMP                         =6,          // bmp
      FILE_TYPE_ZIP                         =7,          // zip
      //--- enumeration borders
      FILE_TYPE_FIRST                       =FILE_TYPE_OTHER,
      FILE_TYPE_LAST                        =FILE_TYPE_ZIP,
     };
   //--- file flags
   enum EnFileFlags
     {
      FILE_FLAG_EMBEDDED                    =0x1,        // embedded for content (images in HTML)
      //--- enumeration borders
      FILE_FLAG_NONE                        =0,
      FILE_FLAG_ALL                         =FILE_FLAG_EMBEDDED,
     };
   //--- common methods
   virtual void      Release(void)=0;
   virtual MTAPIRES  Assign(const IMTAttachment* file)=0;
   virtual MTAPIRES  Clear(void)=0;
   //--- record id
   virtual UINT64    RecordID(void) const=0;
   virtual MTAPIRES  RecordID(const UINT64 record_id)=0;
   //--- related client
   virtual UINT64    RelatedClient(void) const=0;
   virtual MTAPIRES  RelatedClient(const UINT64 record_id)=0;
   //--- file type
   virtual UINT      FileType(void) const=0;
   virtual MTAPIRES  FileType(const UINT type)=0;
   //--- file name
   virtual LPCWSTR   FileName(void) const=0;
   virtual MTAPIRES  FileName(LPCWSTR name)=0;
   //--- file content
   virtual const void* FileContent(UINT& content_size) const=0;
   virtual MTAPIRES  FileContent(const void* content,const UINT content_size)=0;
   //--- file size
   virtual UINT      FileSize(void)=0;
   //--- file flags
   virtual UINT      FileFlags(void) const=0;
   virtual MTAPIRES  FileFlags(const UINT flags)=0;
  };
//+------------------------------------------------------------------+