OPC Studio User's Guide and Reference
ReplaceHost Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Utilities Namespace > UriUtilities Class : ReplaceHost Method
The URI string.

The value of this parameter cannot be null (Nothing in Visual Basic).

The new host.

The value of this parameter cannot be null (Nothing in Visual Basic).

Replaces the host in a URI string by a new value.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Public Shared Function ReplaceHost( _
   ByVal uriString As String, _
   ByVal host As String _
) As String
'Usage
 
Dim uriString As String
Dim host As String
Dim value As String
 
value = UriUtilities.ReplaceHost(uriString, host)
[CanBeNull()]
public static string ReplaceHost( 
   string uriString,
   string host
)
[CanBeNull()]
public:
static String^ ReplaceHost( 
   String^ uriString,
   String^ host
) 

Parameters

uriString
The URI string.

The value of this parameter cannot be null (Nothing in Visual Basic).

host
The new host.

The value of this parameter cannot be null (Nothing in Visual Basic).

Return Value

Returns a new URI string, where the host part is replaced by the host. If the URI string cannot be parsed, or the host cannot be replaced yielding a valid URI, the method returns null.

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

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