OPC Studio User's Guide and Reference
FromComClassRegistration Method (ObjectDescriptor)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib Namespace > ObjectDescriptor Class : FromComClassRegistration Method
Registration data of a COM class.

The value of this parameter can be null (Nothing in Visual Basic).

Converts a OpcLabs.BaseLib.ComInterop.Database.ComClassRegistration to an object descriptor.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Public Shared Function FromComClassRegistration( _
   ByVal comClassRegistration As ComClassRegistration _
) As ObjectDescriptor
'Usage
 
Dim comClassRegistration As ComClassRegistration
Dim value As ObjectDescriptor
 
value = ObjectDescriptor.FromComClassRegistration(comClassRegistration)
[CanBeNull()]
public static ObjectDescriptor FromComClassRegistration( 
   ComClassRegistration comClassRegistration
)
[CanBeNull()]
public:
static ObjectDescriptor^ FromComClassRegistration( 
   ComClassRegistration^ comClassRegistration
) 

Parameters

comClassRegistration
Registration data of a COM class.

The value of this parameter can be null (Nothing in Visual Basic).

Return Value

Returns the object descriptor created from the OpcLabs.BaseLib.ComInterop.Database.ComClassRegistration.

This method can return null (Nothing in Visual Basic).

Remarks

In languages that support implicit conversions (such as C# or VB.NET), in many cases you do not have call this method explicitly. When indicated, a call to an available equivalent implicit conversion operator will be created by the compiler automatically.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also