MIME 表MIME Table

MIME 表将 MIME 内容类型与文件扩展名或 CLSID 相关联,以生成播发 MIME (多用途 Internet 邮件扩展) 内容所需的扩展或 COM 服务器信息。The MIME table associates a MIME content type with a file name extension or a CLSID to generate the extension or COM server information required for advertisement of the MIME (Multipurpose Internet Mail Extensions) content.

MIME 表包含以下列。The MIME table has the following columns.

Column 类型Type Key NullableNullable
ContentTypeContentType 文本Text YY NN
拓_Extension_ 文本Text NN NN
CLSIDCLSID GUIDGUID NN YY

Columns

ContentTypeContentType

此列是 MIME 内容的标识符。This column is an identifier for the MIME content. 它通常采用类型/格式的形式进行编写。It is commonly written in the form of type/format.

拓_Extension_

此列包含与 MIME 内容关联的服务器扩展,无点。This column contains the server extension that is to be associated with the MIME content, without the dot. 此列是 扩展表中的外键。This column is a foreign key into the Extension table. 扩展表包含作为播发一部分使用的文件扩展名服务器信息。The Extension table contains file name extension server information which is used as a part of advertisement.

CLSIDCLSID

此列包含将与 MIME 内容相关联的 COM 服务器 CLSID。This column contains the COM server CLSID that is to be associated with the MIME content. 此列中的 CLSID 可以是 类表 中的外键,也可以是用户计算机上已存在的 clsid。The CLSID in this column can be a foreign key into the Class table or it can be a CLSID that already exists on the user's machine. 类表包含 COM 服务器相关信息,该信息用作播发的一部分。The Class table contains COM server-related information which is used as a part of advertisement.

备注Remarks

执行 RegisterMIMEInfo 操作UnregisterMIMEInfo 操作 时,将引用此表。This table is referred to when the RegisterMIMEInfo action or the UnregisterMIMEInfo action is executed. 在播发模式下,RegisterMIMEInfo 操作为启用了相应功能的 MIME 表中的服务器注册所有 MIME 信息。In advertise mode, the RegisterMIMEInfo action registers all MIME information for servers from the MIME table for which the corresponding feature is enabled. 否则,该操作将为当前选择要安装的相应功能的 MIME 表中的服务器注册 MIME 信息。Otherwise the action registers MIME information for servers from the MIME table for which the corresponding feature is currently selected to be installed. UnregisterMIMEInfo 操作从系统中注销与 MIME 相关的注册表信息。The UnregisterMIMEInfo action unregisters MIME-related registry information from the system. 操作将从 MIME 表中注销服务器的 MIME 信息,这些服务器当前已选择要卸载的相应功能。The action unregisters MIME information for servers from the MIME table for which the corresponding feature is currently selected to be uninstalled.

验证Validation

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