2.5.344 XTI
The XTI structure specifies a supporting link and scope information about that supporting link.
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iSupBook |
itabFirst |
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itabLast |
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iSupBook (2 bytes): An unsigned integer that specifies the zero-based index of a SupBook record in the collection of SupBook records in the Globals Substream ABNF. The referenced SupBook specifies the supporting link referenced by this structure. This value MUST be less than the number of SupBook records in this file.
itabFirst (2 bytes): A signed integer that specifies the scope of the supporting link, and if a scope is specified, the first sheet in the scope of that supporting link. If the type of supporting link specified by the cch and virtPath fields of the SupBook record is same-sheet referencing, add-in referencing, DDE data source referencing, or OLE data source referencing, then no scope is specified and this value MUST be -2. Otherwise, this field MUST contain a value from the following table:
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Value
Meaning
-2
Workbook-level reference that applies to the entire workbook.
-1
Sheet-level reference. The first sheet in the reference could not be found.
>= 0
Sheet-level reference. This specifies the first sheet in the reference.
If the supporting link type is unused or external workbook referencing, then this value specifies the zero-based index of an XLUnicodeString in the rgst field of the SupBook record specified in iSupBook. This XLUnicodeString specifies the name of the first sheet within the external workbook that is in scope. This sheet MUST be a worksheet or macro sheet.
If the supporting link type is self-referencing, then this value specifies the zero-based index of a BoundSheet8 record in the Globals Substream ABNF that specifies the first sheet within the scope of this reference. This sheet MUST be a worksheet or a macro sheet.
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itabLast (2 bytes): A signed integer that specifies the scope of the supporting link, and if a scope is specified, the last sheet in the scope of that supporting link. If the type of supporting link specified by the cch and virtPath fields of the SupBook record is same-sheet referencing, add-in referencing, DDE data source referencing, or OLE data source referencing, then no scope is specified and this value MUST be -2. Otherwise, this field MUST contain a value from the following table:
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Value
Meaning
-2
Workbook-level reference that applies to the entire workbook. MUST NOT be used if itabFirst is not equal to -2.
-1
Sheet-level reference. The last sheet in the reference could not be found. SHOULD NOT<192> be used if itabFirst is equal to -2.
>= 0
Sheet-level reference. This specifies the last sheet in the reference. MUST NOT be used if itabFirst is equal to -2.
If the supporting link type is unused or referring to an external workbook, then this value specifies the zero-based index of an XLUnicodeString in the rgst field of the SupBook record specified in iSupBook. This XLUnicodeString specifies the name of the last sheet within the external workbook that is in scope. This sheet MUST be a worksheet or macro sheet.
If the supporting link type is self-referencing, then this value specifies the zero-based index of a BoundSheet8 record in the Globals Substream ABNF that specifies the last sheet within the scope of this reference. This sheet MUST be a worksheet or a macro sheet.