OPC Studio User's Guide and Reference
ToString Method (VarType)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.ComInterop Namespace > VarType Class : ToString Method
Returns a System.String that represents the current VarType.
Syntax
'Declaration
 
<NotNullAttribute()>
Public Overrides NotOverridable Function ToString() As String
'Usage
 
Dim instance As VarType
Dim value As String
 
value = instance.ToString()
[NotNull()]
public override string ToString()
[NotNull()]
public:
String^ ToString(); override 

Return Value

Returns the object contents expressed as readable string.

This method never returns null (Nothing in Visual Basic).

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

Remarks

If the value contains a VarTypes.Reserved, VarTypes.ByRef, VarTypes.Array or VarTypes.Vector flag (or their combination), the method returns the identifiers concatenated with a "|" operator.

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