OPC Historian .NET Server Toolkit Reference
CancelAnnotations Method (AppPlugin)

Identifies the request to be cancelled.
Professional Edition only.
This method cancels the outstanding operation. The actual implementation is server specific, but the server shall respond via the client's IOPCHDA_DataCallback::OnCancelComplete method.
Syntax
'Usage
 
Dim instance As AppPlugin
Dim cancelID As Integer
Dim value As Integer
 
value = instance.CancelAnnotations(cancelID)
public int CancelAnnotations( 
   int cancelID
)

Parameters

cancelID
Identifies the request to be cancelled.

Return Value

HRESULTS success/error code.
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

AppPlugin Class
AppPlugin Members

 

 


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