IMetabase.IsDisconnected

Syntax

IsDisconnected: Boolean;

Description

The IsDisconnected method returns that there is no connection with the DB server.

Comments

The method returns True if connection with the DB server is not available, and returns False if connection is available. In case of connection unavailability the user may try to restore it. To do this, use the RefreshO method with corresponding value of the MetabaseRefreshOptions.Reconnect parameter.

Example

Executing the example requires a form and a button named Button1 on the form.

Add a link to the Metabase system assembly.

Sub Button1OnClick(Sender: Object; Args: IMouseEventArgs);
Var
    MB: IMetabase;
Begin
    MB := MetabaseClass.Active;
    Try
        MB.Refresh;
    Except
        If MB.IsDisconnected Then
            MB.RefreshO(
                MetabaseRefreshOptions.Reconnect Or
                MetabaseRefreshOptions.NoObjects Or
                MetabaseRefreshOptions.NoRefreshEvent);
        End If;
    End Try;
End Sub Button1OnClick;

After executing the example pressing the button updates the tree of repository objects. If an error occurs due to the loss of connection with the database server during updating, the connection is restored.