PortalCancelParticipant Method
Cancels the Participant's registration for an Event.

Namespace:  PortalService
 

Syntax
C#
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public long CancelParticipant(
	string participantsIdList,
	bool isGroupCancel,
	out string failedParticipantIdList,
	out string error
)

Parameters

participantsIdList
Type: SystemString
[in] This is an array of the ParticipantDetails structure that contains participation details of a Contact.
isGroupCancel
Type: SystemBoolean
[in] Enables you to specify whether you want to cancel Contacts who have registered for the Event as a group or as individual Participants. You can specify one of the following values:
  • 0 - Specify this value to enable Contacts to register for an Event as individual Participants.
  • 1 - Specify this value to enable Contacts to register for an Event as a group.
failedParticipantIdList
Type: SystemString
[out] The IDs of the Participants for who Event registration could not be canceled.
error
Type: SystemString
[out] The error messages returned when the operation fails.

Return Value

Type: Int64
The CancelParticipant method returns 0 if the operation is successful and a negative value if the operation fails.
See Also