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pidlidtaskordinal-canonical-property.md

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title description manager ms.date ms.audience ms.topic ms.service ms.localizationpriority api_name api_type ms.assetid
PidLidTaskOrdinal Canonical Property
Outlines the PidLidTaskOrdinal canonical property, which provides an aid to custom sorting tasks. This property may be left unset.
lindalu
03/09/2015
Developer
reference
office-online-server
medium
PidLidTaskOrdinal
COM
1021860e-4c40-4c22-aa68-b568d046aaf7

PidLidTaskOrdinal Canonical Property

Applies to: Outlook 2013 | Outlook 2016

Provides an aid to custom sorting tasks.

Property Value
Associated properties:
dispidTaskOrdinal
Property set:
PSETID_Task
Long ID (LID):
0x00008123
Data type:
PT_LONG
Area:
Task

Remarks

This property may be left unset. If set, its value must be greater than "0x800186A0" (-2,147,383,648) and less than "0x7FFE7960" (2,147,383,648) and must be unique among tasks in the same folder.

Whenever the client sets this property to a number less than the negative of the current value of the PR_ORDINAL_MOST (PidTagOrdinalMost) property of the folder, the client must also update PR_ORDINAL_MOST on the folder.

The PR_ORDINAL_MOST property of the folder provides an efficient way to determine a unique value among tasks in the same folder.

Related resources

Protocol specifications

[MS-OXPROPS]

Provides property set definitions and references to related Exchange Server protocol specifications.

[MS-OXOTASK]

Defines several objects that model the electronic equivalent of tasks, task assignments, and task updates.

Header files

Mapidefs.h

Provides data type definitions.

See also

MAPI Properties

MAPI Canonical Properties

Mapping Canonical Property Names to MAPI Names

Mapping MAPI Names to Canonical Property Names