OPC Studio User's Guide and Reference
TryValidate Method (OpaqueData)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.DataTypeModel Namespace > OpaqueData Class : TryValidate Method
Attempts to validate the current data. The associated data type, if present, is used for validation.
Syntax
'Declaration
 
Public Overrides NotOverridable Function TryValidate() As Exception
'Usage
 
Dim instance As OpaqueData
Dim value As Exception
 
value = instance.TryValidate()
public override Exception TryValidate()
public:
Exception^ TryValidate(); override 

Return Value

Returns a non-null System.Exception if the validation fails; returns a null reference otherwise.

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

Remarks

When the data type is given and its size in bits is known, the value most fit into the given number of bits.

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