OPC Studio User's Guide and Reference
VarTypeFromType Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.ComInterop Namespace > VarTypeUtilities Class : VarTypeFromType Method
The System.Type for which the corresponding OLE Automation type should be determined.
Determines an OLE automation VarType that corresponds to a given CLR (.NET) System.Type.
Syntax
'Declaration
 
<NotNullAttribute()>
Public Shared Function VarTypeFromType( _
   ByVal type As Type _
) As VarType
'Usage
 
Dim type As Type
Dim value As VarType
 
value = VarTypeUtilities.VarTypeFromType(type)
[NotNull()]
public static VarType VarTypeFromType( 
   Type type
)
[NotNull()]
public:
static VarType^ VarTypeFromType( 
   Type^ type
) 

Parameters

type
The System.Type for which the corresponding OLE Automation type should be determined.

Return Value

The resulting VarType. If it cannot be specifically determined, a VarTypes.Empty is returned.
Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

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