AWS SDK for .NET Documentation
CancelUpdateStack Method (cancelUpdateStackRequest)
AmazonAmazon.CloudFormationAmazonCloudFormationCancelUpdateStack(CancelUpdateStackRequest) Did this page help you?   Yes   No    Tell us about it...

Cancels an update on the specified stack. If the call completes successfully, the stack will roll back the update and revert to the previous stack configuration.

NOTE:Only stacks that are in the UPDATE_IN_PROGRESS state can be canceled.

Declaration Syntax
C#
CancelUpdateStackResponse CancelUpdateStack(
	CancelUpdateStackRequest cancelUpdateStackRequest
)
Parameters
cancelUpdateStackRequest (CancelUpdateStackRequest)
Container for the necessary parameters to execute the CancelUpdateStack service method on AmazonCloudFormation.

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)