Objects Reference

The DataBloc Object

The DataBloc object represents a memory block created by Interop.Allocate. It is used to create memory structure, convert data or send/receive parameters to/from external functions. It is to be used by advanced developers only. Every "read" function is paired with an equivalent "write". Every pair can be used in roundtrips, meaning that writing a value and reading it back always recreates the exact same original value.

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对象参考
该databloc对象

该databloc对象代表一个内存块所造成的
interop.allocate 。它是用来
建立记忆结构，转换的数据或传送/接收参数/从
对外职能。它是利用先进的开发只。每个的
“阅读”的功能搭配一个相当于“写” 。每对可用于
在roundtrips ，即写作的价值和读回总是
再现了完全相同的原始值。

该databloc对象代表一个内存块所造成的
interop.allocate 。它是用来
建立记忆结构，转换的数据或传送/接收参数/从
对外职能。它是利用先进的开发只。每个的
“阅读”的功能搭配一个相当于“写” 。每对可用于
在roundtrips ，即写作的价值和读回总是
再现了完全相同的原始值。

When a DataBloc object is not used anymore, it is considered good practice to set its Size property to 0. This will free the memory allocated by the object immediately (to bypass the garbage collector of JScript that may take some time before deleting the actual object).

当一个databloc对象是没有用了，它被认为是较好的做法
定其财产的大小为0 。这将免费
记忆体分配的对象立即（绕过垃圾回收
的JScript ，可能需要一些时间删除之前的实际对象）。

Functions:

Name	Description
SetAt	Writes a single byte in the memory block.
GetAt	Reads a single byte from the memory block.
WriteString	Writes a string in the memory block.
WriteBSTR	Writes a BSTR string in the memory block.
WriteWORD	Writes a double-byte number in the memory block.
WriteDWORD	Writes a 32bits integer in the memory block.
WriteInterfacePtr	Writes an IDispatch pointer in the memory block.
ReadString	Reads a string from the memory block.
ReadBSTR	Reads a BSTR string from the memory block.
ReadWORD	Reads a double-byte number from the memory block.
ReadDWORD	Reads a 32 bits integer from the memory block.
ReadInterfacePtr	Reads an IDispatch pointer from the memory block.

Properties:

Name	Description
Size	Size in bytes of the memory block attached to the object.
DataPtr	Pointer to the actual data managed by this object.

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