标识可以使用 GetMarshalingContextAttribute 方法查询的封送上下文属性之一。
语法
typedef enum CO_MARSHALING_CONTEXT_ATTRIBUTES {
  CO_MARSHALING_SOURCE_IS_APP_CONTAINER = 0,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_1 = 0x80000000,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_2 = 0x80000001,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_3 = 0x80000002,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_4 = 0x80000003,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_5 = 0x80000004,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_6 = 0x80000005,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_7 = 0x80000006,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_8 = 0x80000007,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_9 = 0x80000008,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_10 = 0x80000009,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_11 = 0x8000000a,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_12 = 0x8000000b,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_13 = 0x8000000c,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_14 = 0x8000000d,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_15,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_16,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_17,
  CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_18
} ;
常量
| CO_MARSHALING_SOURCE_IS_APP_CONTAINER值: 0 封送数据的源是应用容器进程。 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_1值: 0x80000000 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_2值: 0x80000001 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_3值: 0x80000002 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_4值: 0x80000003 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_5值: 0x80000004 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_6值: 0x80000005 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_7值: 0x80000006 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_8值: 0x80000007 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_9值: 0x80000008 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_10值: 0x80000009 | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_11值: 0x8000000a | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_12值: 0x8000000b | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_13值: 0x8000000c | 
| CO_MARSHALING_CONTEXT_ATTRIBUTE_RESERVED_14值: 0x8000000d | 
要求
| 要求 | 值 | 
|---|---|
| 最低受支持的客户端 | Windows 8 | 
| 最低受支持的服务器 | Windows Server 2012 | 
| 标头 | objidl.h (包括 Objidlbase.h) |