OPCHDA.NET Reference Manual
QueryCapabilities(AnnotationCapabilitiesAsync) Method
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OpcHDAWrapperUA.Net4 Assembly > OPCHDA.NET Namespace > OpcHDAServer Class > QueryCapabilities Method : QueryCapabilities(AnnotationCapabilitiesAsync) Method

capabilities
The methods supported by the interface.

Glossary Item Box

This function specifies the methods that the server supports.

Syntax

Visual Basic (Declaration) 
Public Overloads Function QueryCapabilities( _
   ByRef capabilities As OPCHDA.NET.AnnotationCapabilitiesAsync _
) As Integer
C# 
public int QueryCapabilities( 
   out OPCHDA.NET.AnnotationCapabilitiesAsync capabilities
)

Parameters

capabilities
The methods supported by the interface.

Return Value

S_OK, E_FAIL

Remarks

While a part of the AsyncAnnotations interface, this method will actually run to completion before returning.

Requirements

Target Platforms: Windows 7/8/10, Windows Server 2008/2012/2016, .NET 4.x

See Also

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