QuickOPC User's Guide and Reference
FindByValue Method (_EnumerationDataType)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.DataTypeModel.ComTypes Namespace > _EnumerationDataType Interface : FindByValue Method
The enumeration value to be found.
Finds an enumeration member by its value.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Function FindByValue( _
   ByVal value As Long _
) As EnumerationMember
'Usage
 
Dim instance As _EnumerationDataType
Dim value As Long
Dim value As EnumerationMember
 
value = instance.FindByValue(value)
[CanBeNull()]
EnumerationMember FindByValue( 
   long value
)
[CanBeNull()]
EnumerationMember^ FindByValue( 
   int64 value
) 

Parameters

value
The enumeration value to be found.

Return Value

Returns an OpcLabs.BaseLib.DataTypeModel.EnumerationMember which has the value given by the value parameter. When there is no such enumeration member, the function returns a null reference. When there is more than one match, the first matching enumeration member found is returned.
Remarks

For finding an enumeration value that corresponds to given name, use the fact that EnumerationMembers is a collection keyed by the enumeration member names.

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